Warren County, Iowa | |
|---|---|
 Warren County courthouse under construction in late 2021 | |
 Location within the U.S. state ofIowa | |
 Iowa's location within theU.S. | |
| Coordinates:41°20′N93°34′W / 41.33°N 93.56°W /41.33; -93.56 | |
| Country |  United States |
| State |  Iowa |
| Founded | 1846 |
| Named after | Joseph Warren |
| Seat | Indianola |
| Largest city | Indianola |
| Area | |
• Total | 573 sq mi (1,480 km2) |
| • Land | 570 sq mi (1,500 km2) |
| • Water | 3.5 sq mi (9.1 km2) 0.6% |
| Population (2020) | |
• Total | 52,403 |
• Estimate (2023) | 55,205 |
| • Density | 92/sq mi (35/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 1st |
| Website | www |
Warren County is acounty located in theU.S. state ofIowa. As of the2020 census, the population was 52,403.[1] Thecounty seat isIndianola.[2] Warren County is included in theDes Moines–West Des Moines, IAMetropolitan Statistical Area.[3]
Warren County was formed in 1846. It was named after GeneralJoseph Warren, a hero in the American Revolutionary War.[4] The presentWarren County Court House was opened in 1939.[5]
According to theU.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 570 square miles (1,500 km2) is land and 3.5 square miles (9.1 km2) (0.6%) is water.[6]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1850 | 961 | — | |
| 1860 | 10,281 | 969.8% | |
| 1870 | 17,980 | 74.9% | |
| 1880 | 19,578 | 8.9% | |
| 1890 | 18,269 | −6.7% | |
| 1900 | 20,376 | 11.5% | |
| 1910 | 18,194 | −10.7% | |
| 1920 | 18,047 | −0.8% | |
| 1930 | 17,700 | −1.9% | |
| 1940 | 17,695 | 0.0% | |
| 1950 | 17,758 | 0.4% | |
| 1960 | 20,829 | 17.3% | |
| 1970 | 27,432 | 31.7% | |
| 1980 | 34,878 | 27.1% | |
| 1990 | 36,033 | 3.3% | |
| 2000 | 40,671 | 12.9% | |
| 2010 | 46,225 | 13.7% | |
| 2020 | 52,403 | 13.4% | |
| 2023 (est.) | 55,205 | [7] | 5.3% |
| U.S. Decennial Census[8] 1790-1960[9] 1900-1990[10] 1990-2000[11] 2010-2018[12] | |||
The 2020 census recorded a population of 52,403 in the county, with a population density of91.7049/sq mi (35.4075/km2). 95.46% of the population reported being of one race. There were 20,857 housing units, of which 19,616 were occupied.[1]
| Race | Num. | Perc. |
|---|---|---|
| White (NH) | 47,897 | 91.4% |
| Black or African American (NH) | 452 | 0.9% |
| Native American (NH) | 80 | 0.2% |
| Asian (NH) | 380 | 0.73% |
| Pacific Islander (NH) | 17 | 0.03% |
| Other/Mixed (NH) | 1,919 | 3.7% |
| Hispanic orLatino | 1,658 | 3.2% |
The 2010 census recorded a population of 46,225 in the county, with a population density of80.8638/sq mi (31.2217/km2). There were 18,371 housing units, of which 17,262 were occupied.[14]
At the2000 census there were 40,671 people, 14,708 households, and 11,207 families in the county. The population density was 71 inhabitants per square mile (27/km2). There were 15,289 housing units at an average density of 27 per square mile (10/km2). Theracial makeup of the county was 98.08%White, 0.27%Black orAfrican American, 0.17%Native American, 0.38%Asian, 0.04%Pacific Islander, 0.29% from other races, and 0.76% from two or more races. 1.08%.[15] wereHispanic orLatino of any race.
Of the 14,708 households 37.80% had children under the age of 18 living with them, 64.50% were married couples living together, 8.80% had a female householder with no husband present, and 23.80% were non-families. 19.90% of households were one person and 8.70% were one person aged 65 or older. The average household size was 2.65 and the average family size was 3.05.
The age distribution was 27.00% under the age of 18, 9.70% from 18 to 24, 28.20% from 25 to 44, 23.20% from 45 to 64, and 11.80% 65 or older. The median age was 36 years. For every 100 females, there were 94.60 males. For every 100 females age 18 and over, there were 91.80 males.
The median household income was $50,349 and the median family income was $56,344. Males had a median income of $36,983 versus $26,768 for females. The per capita income for the county was $20,558. About 3.70% of families and 5.10% of the population were below thepoverty line, including 6.40% of those under age 18 and 5.20% of those age 65 or over.
Warren County has sixteen townships:[19]
The population ranking of the following table is based on the2020 census of Warren County.[1]
†county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) |
|---|---|---|---|
| 1 | Des Moines (mostly inPolk County) | City | 214,133 |
| 2 | West Des Moines (partially inDallas and Polk Counties) | City | 68,723 |
| 3 | †Indianola | City | 15,833 |
| 4 | Norwalk (partially in Polk County) | City | 12,799 |
| 5 | Carlisle (partially in Polk County) | City | 4,160 |
| 6 | Milo | City | 778 |
| 7 | Hartford | City | 733 |
| 8 | New Virginia | City | 498 |
| 9 | Cumming | City | 436 |
| 10 | Martensdale | City | 421 |
| 11 | Lacona | City | 345 |
| 12 | Ackworth | City | 115 |
| 13 | St. Marys | City | 108 |
| 14 | Spring Hill | City | 68 |
| 15 | Sandyville | City | 58 |
| 16 | Bevington (partially inMadison County) | City | 57 |
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1896 | 2,826 | 55.27% | 2,214 | 43.30% | 73 | 1.43% |
| 1900 | 2,966 | 59.15% | 1,876 | 37.42% | 172 | 3.43% |
| 1904 | 2,938 | 66.20% | 1,191 | 26.84% | 309 | 6.96% |
| 1908 | 2,589 | 58.59% | 1,645 | 37.23% | 185 | 4.19% |
| 1912 | 1,386 | 34.21% | 1,396 | 34.46% | 1,269 | 31.33% |
| 1916 | 2,182 | 52.21% | 1,910 | 45.70% | 87 | 2.08% |
| 1920 | 5,323 | 70.51% | 2,066 | 27.37% | 160 | 2.12% |
| 1924 | 4,683 | 62.08% | 1,274 | 16.89% | 1,586 | 21.03% |
| 1928 | 5,294 | 69.74% | 2,239 | 29.50% | 58 | 0.76% |
| 1932 | 3,725 | 50.28% | 3,542 | 47.81% | 141 | 1.90% |
| 1936 | 4,642 | 52.72% | 4,011 | 45.55% | 152 | 1.73% |
| 1940 | 5,016 | 56.21% | 3,856 | 43.21% | 51 | 0.57% |
| 1944 | 4,266 | 55.83% | 3,319 | 43.44% | 56 | 0.73% |
| 1948 | 3,876 | 50.97% | 3,481 | 45.77% | 248 | 3.26% |
| 1952 | 5,911 | 65.55% | 3,042 | 33.74% | 64 | 0.71% |
| 1956 | 5,430 | 59.19% | 3,729 | 40.65% | 15 | 0.16% |
| 1960 | 6,013 | 59.25% | 4,136 | 40.75% | 0 | 0.00% |
| 1964 | 3,679 | 35.54% | 6,639 | 64.14% | 33 | 0.32% |
| 1968 | 5,619 | 50.30% | 4,613 | 41.29% | 939 | 8.41% |
| 1972 | 7,332 | 57.26% | 5,143 | 40.17% | 329 | 2.57% |
| 1976 | 6,099 | 43.23% | 7,653 | 54.25% | 356 | 2.52% |
| 1980 | 7,360 | 47.43% | 6,610 | 42.59% | 1,549 | 9.98% |
| 1984 | 8,277 | 49.95% | 8,171 | 49.31% | 122 | 0.74% |
| 1988 | 6,424 | 39.82% | 9,627 | 59.68% | 80 | 0.50% |
| 1992 | 7,242 | 37.80% | 8,612 | 44.95% | 3,303 | 17.24% |
| 1996 | 6,905 | 39.52% | 9,120 | 52.20% | 1,447 | 8.28% |
| 2000 | 9,621 | 48.95% | 9,521 | 48.45% | 511 | 2.60% |
| 2004 | 12,160 | 52.75% | 10,730 | 46.54% | 163 | 0.71% |
| 2008 | 12,144 | 48.79% | 12,299 | 49.42% | 446 | 1.79% |
| 2012 | 13,052 | 50.06% | 12,551 | 48.14% | 469 | 1.80% |
| 2016 | 14,814 | 54.26% | 10,411 | 38.14% | 2,075 | 7.60% |
| 2020 | 17,782 | 57.29% | 12,574 | 40.51% | 683 | 2.20% |
| 2024 | 19,486 | 59.40% | 12,712 | 38.75% | 606 | 1.85% |
Places adjacent to Warren County, Iowa | ||||||||||||||||
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Municipalities and communities ofWarren County, Iowa,United States | ||
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| Cities |  | |
| Townships | ||
| Unincorporated communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
| International | |
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| National | |
| Other | |
