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Delta, Utah

  •   State: 
    Millard County
      County FIPS: 
    39°21′11″N 112°34′25″W
      Area total: 
    8.61 sq mi (22.31 km²)
      Area land: 
    8.49 sq mi (22.00 km²)
      Area water: 
    0.12 sq mi (0.31 km²)
    4,639 ft (1,414 m)
    1906; Settled 1906
  •   Latitude: 
    Mountain Standard Time (MST) UTC-7:00; Mountain Daylight Time (MDT) UTC-6:00
      ZIP codes: 

    Delta, Millard County, Utah, United States

  •   Population: 
      Population density: 
    420 residents per square mile of area (160/km²)
      Household income: 
      Unemployment rate: 
  •   Sales taxes: 
      Income taxes: 

Delta is the largest city in Millard County, Utah, United States. It is located along the Sevier River and is surrounded by farmland. The city has a total area of 3.2 square miles or 8.3 square kilometres. The population was 3,436 at the 2010 census. Delta's climate is similar to that of Salt Lake City, but much more arid. It experiences a cold semi-arid climate (Köppen BSk) with hot summers and cold winters. During World War II, tens of thousands of Japanese-Americans were gathered up and placed in 10 incarceration camps to protect military installations from espionage. The Topaz Museum, located in Delta, works to preserve important sites at the relocation center and to provide information on the history of the camps. Delta is located at 39°2111N 112°3425W (39.353145, 112.573656).According to the U.S. Census Bureau, the city has an area of 8.2 sq miles or 3.3 sq km. It has a population of 3,209 people, with 1,006 households, and 780 families residing in the city. Delta has a temperature of 17.8 °C or 17.9 °F. The Sevier river flows near Delta and is generally used for irrigation before it reaches its eventual end, the dry Sevier Lake. The river is dammed upstream to provide irrigation water, reservoir storage, and cooling water for IPP Intermountain Power Project, referred to as the DMAD.


Delta is the primary city name, but also Deseret, Oasis, Sugarville, Sutherland are acceptable city names or spellings, Woodrow on the other hand no longer accepted or obsolete and are no longer used as a designation. The official name is Delta, Utah. Delta was originally a railroad switch called Aiken. In 1905 Aiken was renamed Melville when Millard County began plans to set up irrigation and a dam. People purchased land for 50 cents an acre as long as they agreed to develop a 40-acre lot. During World War II, tens of thousands of Japanese-Americans were gathered up and placed in 10 incarceration camps. One of these camps, then entitled Central Utah Relocation Center, was located near Delta and filled with former residents of the San Francisco Bay Area. The Topaz Museum, located in Delta, works to preserve important sites at the relocation center and to provide information on the history of the camps. John Williams Gunnison was leading a federal surveying team near the Sevier Lake. He was ambushed by the Pahvant Indians and killed. The name is quite fitting as the area was a delta of the Seviers River. The Great Basin Museum is located in the town of Delta and displays a history of this area and the surrounding region. It is open to the public and has a collection of artifacts from the area and around the world that can be viewed at The topaz museum also has a gallery of photographs of the area that are kept and displayed at the museum's gallery. It also has an exhibit of the Gunnison Massacre Site, which is located at the top of the mountain. The museum's collection of photographs is also kept at the bottom of the page.


Delta is located at 39°2111N 112°3425W (39.353145, 112.573656). The city has a total area of 3.2 square miles or 8.3 square kilometres, all land. Delta experiences a cold semi-arid climate (Köppen BSk) with hot summers and cold winters. Because of Delta's altitude and aridity, temperatures drop quickly after sunset, especially in the summer. Daytime highs in the winter are usually above freezing, but nighttime lows drop well below freezing, occasionally falling below 0 °F or 17.8 °C. Delta's climate is similar to that of Salt Lake City, but much more arid. The Sevier River flows near Delta and is generally used for irrigation before it reaches its eventual end, the dry Sevier Lake. Just upstream of Delta, the Sevier river is dammed to provide irrigation water, reservoir storage, and cooling water for IPP Intermountain Power Project. This reservoir is referred to as the DMAD. Delta is home to the Deseret Melville Abraham and Delta water company, which provides water for the city and Sevier valley. The city is also home to Delta Airport, which is a major hub for air travel in the state of Utah. Delta has a population of around 2,000 people (as of the 2010 U.S. Census), with most of the population living in the Delta area of the state. It is located in the eastern part of the Wasatch Range.


As of the census of 2000, there were 3,209 people, 1,006 households, and 780 families residing in the city. The racial makeup of the city was 94.61% White, 0.06% African American, 0.97% Native American,0.12% Asian, 0,28% Pacific Islander, 3.15% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 10.10% of the population. The city's population was spread out, with 38.7% under 18, 8.2% from 18 to 24, 24.3% from 25 to 44, 18.1% from 45 to 64, and 10. 7% who were 65 years of age or older. The median income for a household in theCity was $37,773, and the median income. for a family was $43,952. The per capita income for the city is $13,273. About 16.5% of those under age 18 and 5.4% of people aged 65 or over are living below the poverty line. The average household size is 3.71, with 20.8% of all households being made up of individuals. There are 1,106 housing units at an average density of 351.0 per square mile (135.6/km²). The city has a population of 3,208, with the median age of 28. For every 100 females aged 18 and over, there are 94.9 males.


One of the main sources of income for Delta is a power plant operated by the Intermountain Power Agency. The coal-powered power plant supplies power for much of Los Angeles county in California. Materion's, formerly Brush Wellman, beryllium refining plant is located north of Delta in Millard County. Graymont Lime has a plant in the Cricket Mountains, about 32.5 miles southwest of Delta. It is one of the ten largest lime plants in the United States. Alfalfa hay is the main crop of the Delta area. Due to the dry climate in the Delta region, farmers can control the moisture content of the hay when it is baled. This is very important to prohibit mold growth. Delta is home to many dairy farmers who may ship the milk out of the county. It was previously owned by Continental Lime which Graymont lime purchased. The town is located due to its access to the railway and major highways 6 and 50. It has a population of about 3,000 people. The population of Delta is about 2,500 people, with the majority of the population living in the town of Millard. The city is located on the eastern edge of the U.S. state of California. The county's population is about 1,400 people, and the population of the town is about 4,000. The average income is about $30,000 a year. The local economy is based on agriculture, mining, and other industries. The economy is dominated by dairy farmers.


Delta is home to the Lon and Mary Watson Cosmic Ray Center, the main staging area for the Telescope Array Project experiment. Trilobite fossils are relatively common in the region west of Delta (part of the House Range's Wheeler Shale) Several local companies maintain fossil dig areas where they allow visitors to dig their own fossils for a small fee.Near Delta is a mountain called Topaz Mountain, which derives its name from the topaz that is abundant in the area. Other minerals and rocks that are prevalent near Delta include obsidian, opal, and geodes. Delta is located in the western part of Millard County, in the eastern part of the county, and is located on the eastern edge of the Big Mountain Range. The town of Delta was founded in 1881. It is located at the base of the Rocky Mountains, about 50 miles from the town of Millardsville. The county's population is about 3,000. It has a population of about 2,000 people, mostly farmers and ranchers, who live in the county's rural areas. The majority of the population lives in Delta, which is about 40 miles from Millard City, the county seat. The population of Delta is about 1,200 people, with the majority living in the rural areas of Delta, Big Mountain, and Big Mountain. The County's population has been growing steadily since the early 1900s, when it was just over 1,500 people. In the early 20th century, Delta was the site of some of the first mining operations in the United States.


Delta currently has three public schools: Delta elementary school, Delta Middle school, and Delta High school. Delta also has a vocational school with the Delta Technical Center, which offers many Technical classes, including welding, Machining/metalworking, and Woodworking. According to the 2013-2014 DHS report card Delta had 549 students enrolled from the grades 9th-12th and an 87% graduation rate. Delta South Elementary School is located at 450 South Center Street in Delta, Utah. Delta Early Childhood Center was created using two-thirds of the South Elementary building to accommodate preschool and kindergarten students in West Millard County. At the end of the 201415 school year, the Delta area schools were reconfigured, placing all students in preschool, kindergarten, and first and second grades at Delta South elementary School. Delta High School is a public school located in rural central Utah, drawing students from several small outlying communities. With a new school and a diverse student population, Delta High is the hub of an agricultural-based community. Delta Middle School serves approximately 420 students in the sixth, seventh, and eighth grades and is located in Delta, Utah. Its students come from the City of Delta and several smaller communities in Millards County. Delta high school has a staff of 21 teachers, nine instructional assistants, and eleven additional support personnel. Delta middle school has an 87 per cent graduation rate and a total of 549 enrolled students from the ages of 9th to 12th. The high school also offers welding and machining classes.


Each July 4, the Hinckley Lions Club sponsors a demolition derby at the Millard County Fairgrounds. The Snow Goose Festival occurs every winter as the geese migrating through Delta stop at Gunnison Bend Reservoir. Days of the Old West Rodeo takes place every year. There is a fireworks display sponsored by Delta City. The city is home to the U.S. Air Force Academy, which offers a variety of aviation-related courses and training programs. It is also the home of the National Football League, which has a team of more than 1,000 players. The town is also home to a number of sports teams, including the Delta Highlanders and the Delta City Highlanders, who compete in the National Invitational High School Football League and the National High School Rugby League. It also hosts the American Football Association (AFA), which has teams of over 1,500 players, and the American Basketball Association (ABA) which has around 1,200 players. It has a number of festivals and events, including an annual fireworks display. It was the site of the first air show in the United States, which took place in the late 1800s and early 1900s. The AFA also hosts an annual rodeo, which takes place each year in the town. It occurs in conjunction with the AFA's Pikes Peak Stampede, which is held in the middle of the Afton Canyon in the northern part of the state. The derby attracts crowds of over 3,000 people.

Air Quality, Water Quality, Superfund Sites & UV Index

The Air Quality index is in Delta, Millard County, Utah = 98. These Air Quality index is based on annual reports from the EPA. Higher values are better (100=best). The number of ozone alert days is used as an indicator of air quality, as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide, lead, and volatile organic chemicals. The Water Quality Index is 50. A measure of the quality of an area’s water supply as rated by the EPA. Higher values are better (100=best). The EPA has a complex method of measuring the watershed quality, using 15 indicators such as pollutants, turbidity, sediments, and toxic discharges. The Superfund Sites Index is 100. Higher is better (100=best). Based upon the number and impact of EPA Superfund pollution sites in the county, including spending on the cleanup efforts. The UV Index in Delta = 4.9 and is a measure of an area's exposure to the sun's ultraviolet rays. This is most often a combination of sunny weather, altitude, and latitude. The UV Index has been defined by the WHO ( and is uniform worldwide.


The most recent city population of 1,257 individuals with a median age of 31.8 age the population grows by 3.18% in Delta, Millard County, Utah population since 2000 and are distributed over a density of 420 residents per square mile of area (160/km²). There are average 3.08 people per household in the 1,063 households with an average household income of $40,915 a year. The unemployment rate in Alabama is 4.20% of the available work force and has growths 5.18% over the most recent 12-month period and the projected change in job supply over the next decade based on migration patterns, economic growth, and other factors will increase by 46.16%. The number of physicians in Delta per 100,000 population = 64.6.


The annual rainfall in Delta = 7.8 inches and the annual snowfall = 24.7 inches. The annual number of days with measurable precipitation (over .01 inch) = 60. The average number of days per year that are predominantly sunny = 256. 94 degrees Fahrenheit is the average daily high temperature for the month of July and 13.6 degrees Fahrenheit is the average daily low temperature for the month of January. The Comfort Index (higher=better) is 64, where higher values mean a more pleasant climate. The Comfort Index measure recognizes that humidity by itself isn't the problem. (Have you noticed nobody ever complains about the weather being 'cold and humid?) It's in the summertime that we notice the humidity the most, when it's hot and muggy. Our Comfort Index uses a combination of afternoon summer temperature and humidity to closely predict the effect that the humidity will have on people.

Median Home Cost

The percentage of housing units in Delta, Millard County, Utah which are owned by the occupant = 62.99%. A housing unit is a house, apartment, mobile home, or room occupied as separate living quarters. The average age of homes = 29 years with median home cost = $81,770 and home appreciation of -6.21%. This is the value of the years most recent home sales data. Its important to note that this is not the average (or arithmetic mean). The median home price is the middle value when you arrange all the sales prices of homes from lowest to highest. This is a better indicator than the average, because the median is not changed as much by a few unusually high or low values. The property tax rate of $5.15 shown here is the rate per $1,000 of home value. If for simplification for example the tax rate is $14.00 and the home value is $250,000, the property tax would be $14.00 x ($250,000/1000), or $3500. This is the 'effective' tax rate.


The local school district spends $4,548 per student. There are 21.4 students for each teacher in the school, 511 students for each Librarian and 1095 students for each Counselor. 9.02% of the area’s population over the age of 25 with an Associate Degree or other 2-year college degree, 14.12% with a master’s degree, Ph.D. or other advanced college degree and 4.51% with high school diplomas or high school equivalency degrees (GEDs).

  • Delta's population in Millard County, Utah of 1,076 residents in 1900 has increased 1,17-fold to 1,257 residents after 120 years, according to the official 2020 census.

    Approximately 48.61% female residents and 51.39% male residents live in Delta, Millard County, Utah.

    As of 2020 in Delta, Millard County, Utah are married and the remaining 36.91% are single population.

  • 15.3 minutes is the average time that residents in Delta require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61­–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.

    70.14% of the working population which commute to work alone in their car, 16.71% of the working population which commutes to work in a carpool and 4.07% of the population that has their home as their principal place of work.

  • Of the total residential buildings in Delta, Millard County, Utah, 62.99% are owner-occupied homes, another 27.16% are rented apartments, and the remaining 9.85% are vacant.

  • The 81.07% of the population in Delta, Millard County, Utah who identify themselves as belonging to a religion are distributed among the following most diverse religions.

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