DeWitt County, Illinois | |
|---|---|
 DeWitt County Courthouse in Clinton | |
 Location within the U.S. state ofIllinois | |
| Coordinates:40°10′29″N88°54′15″W / 40.17463°N 88.90409°W /40.17463; -88.90409 | |
| Country |  United States |
| State |  Illinois |
| Founded | 1839 |
| Named after | DeWitt Clinton |
| Seat | Clinton |
| Largest city | Clinton |
| Area | |
• Total | 405 sq mi (1,050 km2) |
| • Land | 398 sq mi (1,030 km2) |
| • Water | 7.6 sq mi (20 km2) 1.9% |
| Population (2020) | |
• Total | 15,516 |
• Estimate (2024) | 15,319 [1] |
| • Density | 39.0/sq mi (15.1/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 15th |
| Website | www |
DeWitt County is acounty located in theU.S. state ofIllinois. As of the2020 United States census, the population was 15,516.[2] Itscounty seat isClinton.[3] The county was formed as De Witt County on March 1, 1839, fromMacon andMcLean counties. The county was named in honor of the seventhGovernor of New York State,De Witt Clinton.[4]
DeWitt County is included inBloomington–Normal, ILMetropolitan Statistical Area.
TheU.S. Census Bureau and theU.S. Geological Survey (USGS) list the county's name asDe Witt, although the county uses the nameDeWitt (no space).
According to theU.S. Census Bureau, the county has a total area of 405 square miles (1,050 km2), of which 398 square miles (1,030 km2) is land and 7.6 square miles (20 km2) (1.9%) is water.[5]
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In recent years, average temperatures in the county seat of Clinton have ranged from a low of 17 °F (−8 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −25 °F (−32 °C) was recorded in February 1905 and a record high of 113 °F (45 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.95 inches (50 mm) in February to 4.54 inches (115 mm) in July.[6]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1840 | 3,247 | — | |
| 1850 | 5,002 | 54.0% | |
| 1860 | 10,820 | 116.3% | |
| 1870 | 14,768 | 36.5% | |
| 1880 | 17,010 | 15.2% | |
| 1890 | 17,011 | 0.0% | |
| 1900 | 18,972 | 11.5% | |
| 1910 | 18,906 | −0.3% | |
| 1920 | 19,252 | 1.8% | |
| 1930 | 18,598 | −3.4% | |
| 1940 | 18,244 | −1.9% | |
| 1950 | 16,894 | −7.4% | |
| 1960 | 17,253 | 2.1% | |
| 1970 | 16,975 | −1.6% | |
| 1980 | 18,108 | 6.7% | |
| 1990 | 16,516 | −8.8% | |
| 2000 | 16,798 | 1.7% | |
| 2010 | 16,561 | −1.4% | |
| 2020 | 15,516 | −6.3% | |
| 2024 (est.) | 15,319 | [7] | −1.3% |
| U.S. Decennial Census[8] 1790-1960[9] 1900-1990[10] 1990-2000[11] 2010[12] | |||
| Race / Ethnicity(NH = Non-Hispanic) | Pop 1980[13] | Pop 1990[14] | Pop 2000[15] | Pop 2010[16] | Pop 2020[17] | % 1980 | % 1990 | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| White alone (NH) | 17,932 | 16,332 | 16,303 | 15,855 | 14,370 | 99.03% | 98.89% | 97.05% | 95.74% | 92.61% |
| Black or African American alone (NH) | 26 | 25 | 81 | 82 | 108 | 0.14% | 0.15% | 0.48% | 0.50% | 0.70% |
| Native American orAlaska Native alone (NH) | 15 | 36 | 27 | 23 | 19 | 0.08% | 0.22% | 0.16% | 0.14% | 0.12% |
| Asian alone (NH) | 26 | 43 | 46 | 58 | 40 | 0.14% | 0.26% | 0.27% | 0.35% | 0.26% |
| Native Hawaiian orPacific Islander alone (NH) | x[18] | x[19] | 3 | 4 | 16 | x | x | 0.02% | 0.02% | 0.10% |
| Other race alone (NH) | 3 | 0 | 16 | 26 | 16 | 0.02% | 0.00% | 0.10% | 0.16% | 0.10% |
| Mixed race or Multiracial (NH) | x[20] | x[21] | 109 | 159 | 437 | x | x | 0.65% | 0.96% | 2.82% |
| Hispanic or Latino (any race) | 106 | 80 | 213 | 354 | 510 | 0.59% | 0.48% | 1.27% | 2.14% | 3.29% |
| Total | 18,108 | 16,516 | 16,798 | 16,561 | 15,516 | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
As of the2010 United States census, there were 16,561 people, 6,811 households, and 4,618 families residing in the county.[22] The population density was 41.7 inhabitants per square mile (16.1/km2). There were 7,521 housing units at an average density of 18.9 per square mile (7.3/km2).[5] The racial makeup of the county was 96.8% white, 0.5% black or African American, 0.4% Asian, 0.2% American Indian, 0.9% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 2.1% of the population.[22] In terms of ancestry, 31.2% wereAmerican, 21.7% wereGerman, 15.8% wereEnglish, and 12.3% wereIrish.[23]
Of the 6,811 households, 30.1% had children under the age of 18 living with them, 53.0% were married couples living together, 10.0% had a female householder with no husband present, 32.2% were non-families, and 27.5% of all households were made up of individuals. The average household size was 2.39 and the average family size was 2.88. The median age was 41.7 years.[22]
The median income for a household in the county was $45,347 and the median income for a family was $56,806. Males had a median income of $41,649 versus $27,729 for females. The per capita income for the county was $24,320. About 6.4% of families and 8.6% of the population were below thepoverty line, including 12.2% of those under age 18 and 6.6% of those age 65 or over.[24]
DeWitt County is divided into thirteentownships:
DeWitt is frequently a Republican county. It has not been carried by a Democratic presidential candidate sinceLyndon Johnson’s 1964 landslide, and even before that it was carried by Democrats only in strong winning elections like 1936, 1932, 1916, 1912 and 1892.
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1892 | 2,059 | 47.36% | 2,083 | 47.91% | 206 | 4.74% |
| 1896 | 2,587 | 51.45% | 2,370 | 47.14% | 71 | 1.41% |
| 1900 | 2,694 | 52.27% | 2,361 | 45.81% | 99 | 1.92% |
| 1904 | 2,771 | 55.96% | 1,872 | 37.80% | 309 | 6.24% |
| 1908 | 2,628 | 53.17% | 2,155 | 43.60% | 160 | 3.24% |
| 1912 | 1,346 | 28.49% | 1,880 | 39.79% | 1,499 | 31.72% |
| 1916 | 4,380 | 47.89% | 4,460 | 48.76% | 306 | 3.35% |
| 1920 | 5,001 | 60.68% | 3,079 | 37.36% | 162 | 1.97% |
| 1924 | 5,173 | 58.77% | 2,752 | 31.27% | 877 | 9.96% |
| 1928 | 6,100 | 69.40% | 2,631 | 29.93% | 59 | 0.67% |
| 1932 | 4,207 | 43.49% | 5,339 | 55.19% | 127 | 1.31% |
| 1936 | 4,544 | 44.20% | 5,676 | 55.21% | 60 | 0.58% |
| 1940 | 5,477 | 51.80% | 5,052 | 47.78% | 45 | 0.43% |
| 1944 | 4,630 | 55.40% | 3,658 | 43.77% | 69 | 0.83% |
| 1948 | 4,178 | 55.61% | 3,290 | 43.79% | 45 | 0.60% |
| 1952 | 5,212 | 61.78% | 3,221 | 38.18% | 3 | 0.04% |
| 1956 | 5,307 | 63.15% | 3,093 | 36.80% | 4 | 0.05% |
| 1960 | 5,074 | 58.40% | 3,607 | 41.51% | 8 | 0.09% |
| 1964 | 3,605 | 45.20% | 4,371 | 54.80% | 0 | 0.00% |
| 1968 | 4,247 | 54.21% | 2,823 | 36.04% | 764 | 9.75% |
| 1972 | 5,025 | 65.22% | 2,672 | 34.68% | 8 | 0.10% |
| 1976 | 4,137 | 53.97% | 3,477 | 45.36% | 52 | 0.68% |
| 1980 | 4,648 | 63.29% | 2,262 | 30.80% | 434 | 5.91% |
| 1984 | 4,534 | 65.57% | 2,352 | 34.01% | 29 | 0.42% |
| 1988 | 3,942 | 59.32% | 2,660 | 40.03% | 43 | 0.65% |
| 1992 | 3,164 | 40.78% | 3,009 | 38.78% | 1,586 | 20.44% |
| 1996 | 2,978 | 45.20% | 2,878 | 43.68% | 733 | 11.12% |
| 2000 | 3,968 | 56.28% | 2,870 | 40.70% | 213 | 3.02% |
| 2004 | 4,920 | 63.09% | 2,836 | 36.37% | 42 | 0.54% |
| 2008 | 4,348 | 55.52% | 3,308 | 42.24% | 175 | 2.23% |
| 2012 | 4,579 | 62.15% | 2,601 | 35.30% | 188 | 2.55% |
| 2016 | 5,077 | 67.19% | 1,910 | 25.28% | 569 | 7.53% |
| 2020 | 5,632 | 70.06% | 2,191 | 27.25% | 216 | 2.69% |
| 2024 | 5,529 | 71.18% | 2,058 | 26.49% | 181 | 2.33% |
K-12 school districts include:[26]
There are also an elementary school district,Chester-East Lincoln Community Csd 61, and a secondary school district,Lincoln Community High School District 404.[26]
Places adjacent to DeWitt County, Illinois | ||||||||||||||||
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Municipalities and communities ofDeWitt County, Illinois,United States | ||
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| Townships | ||
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| Other communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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39°22′37″N90°17′38″W / 39.377°N 90.294°W /39.377; -90.294
