Lee County, Illinois
County in Illinois, United States From Wikipedia, the free encyclopedia
Lee County is a county located in the U.S. state of Illinois. According to the 2020 census, it has a population of 34,145.[1] Its county seat is Dixon.[2] The Dixon, IL Micropolitan Statistical Area includes all of Lee County.
Lee County | |
|---|---|
 Lee County Courthouse | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 41°45′N 89°18′W | |
| Country |  United States |
| State |  Illinois |
| Founded | February 27, 1839 |
| Named for | Henry Lee III |
| Seat | Dixon |
| Largest city | Dixon |
| Area | |
| • Total | 729 sq mi (1,890 km2) |
| • Land | 725 sq mi (1,880 km2) |
| • Water | 4.1 sq mi (11 km2) 0.6% |
| Population (2020) | |
| • Total | 34,145 |
| • Estimate (2023) | 33,654  |
| • Density | 47/sq mi (18/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 16th |
| Website | www |
The area's first non-native settlers were mostly from the six New England states.[3] The early nineteenth century saw a wave of westward movement from New England, due largely to completion of the Erie Canal and the end of the Black Hawk War.[4][5]
The area that included present-day Lee County was delineated as St. Clair County in 1809. In 1823, a large section of northern St. Clair County was partitioned off as Fulton County. In 1825, the northwestern portion of that county was partitioned off as Putnam County. In 1831, the area was further partitioned into Jo Daviess County. A section of that county was partitioned off in 1836 as Ogle County, and in 1839 the bottom half of Ogle County was split off as Lee County. It is largely understood that the county's name honors "Lighthorse Harry" Lee, an officer in the American Revolutionary War.[6] An alternative theory suggests the name honors Richard Henry Lee, a member of the Continental Congress (the Declaration of Independence was adopted pursuant to the Lee Resolution).
President Ronald Reagan lived in Dixon as a boy and attended Dixon High School.[7]
Lee County's boundaries have remained unchanged since its creation in 1839.
According to the US Census Bureau, the county has a total area of 729 square miles (1,890 km2), of which 725 square miles (1,880 km2) is land and 4.1 square miles (11 km2) (0.6%) is water.[8]
Adjacent counties
- Ogle County – north
- DeKalb County – east
- LaSalle County - southeast, south
- Bureau County – south, southwest
- Whiteside County – west
Climate and weather
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In recent years, average temperatures in the county seat of Dixon have ranged from a low of 10 °F (−12 °C) in January to a high of 82 °F (28 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1999 and a record high of 110 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranges from 1.43 inches (36 mm) in February to 4.88 inches (124 mm) in June.[9]
Major highways
Other features
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1840 | 2,035 | — | |
| 1850 | 5,292 | 160.0% | |
| 1860 | 17,651 | 233.5% | |
| 1870 | 27,171 | 53.9% | |
| 1880 | 27,491 | 1.2% | |
| 1890 | 26,187 | −4.7% | |
| 1900 | 29,894 | 14.2% | |
| 1910 | 27,750 | −7.2% | |
| 1920 | 28,004 | 0.9% | |
| 1930 | 32,329 | 15.4% | |
| 1940 | 34,604 | 7.0% | |
| 1950 | 36,451 | 5.3% | |
| 1960 | 38,749 | 6.3% | |
| 1970 | 37,947 | −2.1% | |
| 1980 | 36,328 | −4.3% | |
| 1990 | 34,392 | −5.3% | |
| 2000 | 36,062 | 4.9% | |
| 2010 | 36,031 | −0.1% | |
| 2020 | 34,145 | −5.2% | |
| 2023 (est.) | 33,654 | [10] | −1.4% |
| US Decennial Census[11] 1790-1960[12] 1900-1990[13] 1990-2000[14] 2010[15] | |||
As of the 2010 United States Census, there were 36,031 people, 13,758 households, and 9,064 families residing in the county.[16] The population density was 49.7 inhabitants per square mile (19.2/km2). There were 15,049 housing units at an average density of 20.8 per square mile (8.0/km2).[8] The racial makeup of the county was 90.9% white, 4.8% black or African American, 0.7% Asian, 0.2% American Indian, 1.9% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 5.0% of the population.[16] In terms of ancestry, 38.0% were German, 18.8% were Irish, 8.4% were English, and 8.2% were American.[17]
Of the 13,758 households, 30.0% had children under the age of 18 living with them, 51.2% were married couples living together, 10.0% had a female householder with no husband present, 34.1% were non-families, and 28.8% of all households were made up of individuals. The average household size was 2.41 and the average family size was 2.94. The median age was 42.0 years.[16]
The median income for a household in the county was $48,502 and the median income for a family was $60,759. Males had a median income of $42,114 versus $30,920 for females. The per capita income for the county was $24,440. About 7.6% of families and 9.6% of the population were below the poverty line, including 11.8% of those under age 18 and 6.5% of those age 65 or over.[18]
Cities
Villages
Unincorporated communities
Townships
Lee County is, together with neighboring Ogle County, the most consistently Republican county in Illinois. It is one of very few counties in the United States to have never supported a Democrat for President since the Civil War. The only occasion when the Republican candidate did not win the county in this time was in 1912, when Theodore Roosevelt carried it while running as a member of the Progressive Party, unofficially known as the "Bull Moose" party.
As of 2018, Lee County is in the 16th congressional district, the 45th legislative district, and the 74th and 90th representative districts.[19]
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 9,630 | 58.58% | 6,407 | 38.97% | 403 | 2.45% |
| 2016 | 8,612 | 55.60% | 5,528 | 35.69% | 1,349 | 8.71% |
| 2012 | 8,059 | 52.51% | 6,937 | 45.20% | 352 | 2.29% |
| 2008 | 8,258 | 50.49% | 7,765 | 47.47% | 334 | 2.04% |
| 2004 | 9,307 | 58.62% | 6,416 | 40.41% | 153 | 0.96% |
| 2000 | 8,069 | 55.19% | 6,111 | 41.80% | 440 | 3.01% |
| 1996 | 6,677 | 47.08% | 5,895 | 41.57% | 1,610 | 11.35% |
| 1992 | 6,652 | 43.15% | 5,530 | 35.87% | 3,235 | 20.98% |
| 1988 | 8,903 | 65.48% | 4,608 | 33.89% | 85 | 0.63% |
| 1984 | 11,178 | 73.76% | 3,919 | 25.86% | 58 | 0.38% |
| 1980 | 11,373 | 73.67% | 3,170 | 20.53% | 895 | 5.80% |
| 1976 | 8,674 | 57.54% | 6,076 | 40.30% | 326 | 2.16% |
| 1972 | 10,636 | 68.67% | 4,788 | 30.91% | 65 | 0.42% |
| 1968 | 9,598 | 62.92% | 4,727 | 30.99% | 930 | 6.10% |
| 1964 | 8,445 | 53.59% | 7,315 | 46.41% | 0 | 0.00% |
| 1960 | 10,835 | 64.73% | 5,896 | 35.22% | 8 | 0.05% |
| 1956 | 11,653 | 71.98% | 4,531 | 27.99% | 5 | 0.03% |
| 1952 | 11,941 | 71.71% | 4,700 | 28.23% | 10 | 0.06% |
| 1948 | 9,001 | 66.97% | 4,368 | 32.50% | 72 | 0.54% |
| 1944 | 10,397 | 67.88% | 4,899 | 31.98% | 21 | 0.14% |
| 1940 | 11,228 | 64.96% | 6,005 | 34.74% | 52 | 0.30% |
| 1936 | 8,914 | 54.92% | 6,845 | 42.17% | 473 | 2.91% |
| 1932 | 7,802 | 51.46% | 7,182 | 47.37% | 177 | 1.17% |
| 1928 | 9,238 | 67.14% | 4,476 | 32.53% | 46 | 0.33% |
| 1924 | 8,363 | 69.36% | 2,367 | 19.63% | 1,327 | 11.01% |
| 1920 | 7,615 | 78.94% | 1,715 | 17.78% | 316 | 3.28% |
| 1916 | 7,985 | 63.95% | 4,087 | 32.73% | 414 | 3.32% |
| 1912 | 1,482 | 23.03% | 1,995 | 31.00% | 2,959 | 45.98% |
| 1908 | 4,255 | 63.50% | 2,144 | 32.00% | 302 | 4.51% |
| 1904 | 4,634 | 69.77% | 1,604 | 24.15% | 404 | 6.08% |
| 1900 | 4,820 | 63.55% | 2,528 | 33.33% | 237 | 3.12% |
| 1896 | 4,797 | 64.78% | 2,469 | 33.34% | 139 | 1.88% |
| 1892 | 3,513 | 54.24% | 2,740 | 42.30% | 224 | 3.46% |
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