Dallas County, Iowa
| Dallas County, Iowa | |
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Dallas County Court House in Adel
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 Location in the U.S. state of Iowa |
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 Iowa's location in the U.S. |
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| Founded | 1846 |
| Named for | George M. Dallas |
| Seat | Adel |
| Largest city | West Des Moines |
| Area | |
| • Total | 592 sq mi (1,533 km2) |
| • Land | 588 sq mi (1,523 km2) |
| • Water | 3.3 sq mi (9 km2), 0.5% |
| Population | |
| • (2010) | 66,135 |
| • Density | 112/sq mi (43/km²) |
| Congressional district | 3rd |
| Time zone | Central: UTC-6/-5 |
| Website | www |
Dallas County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 66,135. Its county seat is Adel. The county was named for George M. Dallas, Vice President of the United States of America under James K. Polk.
Dallas County is included in the Des Moines–West Des Moines, IA Metropolitan Statistical Area.
The land that now forms Dallas County was ceded by the Sac and Fox nation to the United States in a treaty signed on October 11, 1842, and the county was formed in 1846. In 1847 the first pioneers selected a site for the county seat, which was first called Penoach and then later Adel. Once the prairie sod was "broken" by the agricultural plow, settlement was rapid in the 1850s and 1860s, with the population crossing the 12,000 mark by 1870.
According to the U.S. Census Bureau, the county has a total area of 592 square miles (1,530 km2), of which 588 square miles (1,520 km2) is land and 3.3 square miles (8.5 km2) (0.5%) is water.
The 2010 census recorded a population of 66,135 in the county, with a population density of 112.7698/sq mi (43.5407/km2). There were 27,260 housing units, of which 25,240 were occupied.
As of the census of 2000, there were 40,750 people, 15,584 households, and 11,173 families residing in the county. The population density was 70 people per square mile (27/km²). There were 16,529 housing units at an average density of 28 per square mile (11/km²). The racial makeup of the county was 94.75% White, 0.74% Black or African American, 0.15% Native American, 0.69% Asian, 0.04% Pacific Islander, 2.79% from other races, and 0.84% from two or more races. 5.40% of the population were Hispanic or Latino of any race.
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