Richland County, Illinois facts for kids
Quick facts for kids
Richland County
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Richland County Courthouse in Olney
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Location within the U.S. state of Illinois
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 Illinois's location within the U.S. |
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| Country |  United States |
| State |  Illinois |
| Founded | February 24, 1841 |
| Named for | Richland County, Ohio |
| Seat | Olney |
| Largest city | Olney |
| Area | |
| • Total | 362 sq mi (940 km2) |
| • Land | 356 sq mi (920 km2) |
| • Water | 1.9 sq mi (5 km2) 0.5% |
| Population
(2020)
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| • Total | 15,813 |
| • Estimate
(2021)
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15,796 |
| • Density | 43.68/sq mi (16.866/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 12th |
Richland County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 15,813. Its county seat is Olney.
Contents
History
Richland County was established in 1841 out of portions of East part of Clay and West part of Lawrence counties. It was named for Richland County, Ohio, where many of the early settlers migrated from.
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Richland County at the time of its creation in 1841
Geography
According to the U.S. Census Bureau, the county has a total area of 362 square miles (940 km2), of which 360 square miles (930 km2) is land and 1.9 square miles (4.9 km2) (0.5%) is water.
Climate and weather
| Weather chart for Olney, Illinois | |||||||||||||||||||||||||||||||||||||||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D | ||||||||||||||||||||||||||||||||||||
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2.8
36
19
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2.7
42
23
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4.4
54
32
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4.4
65
42
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4.8
75
52
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4.1
84
62
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4.1
88
66
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3.6
86
63
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3.1
80
55
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3.3
69
44
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4.4
54
34
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3.7
41
24
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| temperatures in °F precipitation totals in inches source: The Weather Channel |
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Metric conversion
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In recent years, average temperatures in the county seat of Olney have ranged from a low of 19 °F (−7 °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 1951 and a record high of 112 °F (44 °C) was recorded in July 1936. Average monthly precipitation ranged from 2.73 inches (69 mm) in February to 4.76 inches (121 mm) in May.
Transit
- Rides Mass Transit District
Major highways
U.S. Route 50
Illinois Route 130
Illinois Route 250
Adjacent counties
- Jasper County (north)
- Crawford County (northeast)
- Lawrence County (east)
- Wabash County (southeast)
- Edwards County (south)
- Wayne County (southwest)
- Clay County (west)
Demographics
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 4,012 | — | |
| 1860 | 9,711 | 142.0% | |
| 1870 | 12,803 | 31.8% | |
| 1880 | 15,545 | 21.4% | |
| 1890 | 15,019 | −3.4% | |
| 1900 | 16,391 | 9.1% | |
| 1910 | 15,970 | −2.6% | |
| 1920 | 14,044 | −12.1% | |
| 1930 | 14,053 | 0.1% | |
| 1940 | 17,137 | 21.9% | |
| 1950 | 16,889 | −1.4% | |
| 1960 | 16,299 | −3.5% | |
| 1970 | 16,829 | 3.3% | |
| 1980 | 17,587 | 4.5% | |
| 1990 | 16,545 | −5.9% | |
| 2000 | 16,149 | −2.4% | |
| 2010 | 16,233 | 0.5% | |
| 2020 | 15,813 | −2.6% | |
| 2023 (est.) | 15,488 | −4.6% | |
| U.S. Decennial Census 1790–1960 1900–1990 1990–2000 2010–2013 2020 |
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As of the 2010 United States census, there were 16,233 people, 6,726 households, and 4,438 families residing in the county. By 2020, the population had decreased to 15,813 people. The 2010 population density was 45.1 inhabitants per square mile (17.4/km2), which decreased to 43.1 inhabitants per square mile (16.6/km2) in the 2020 census. In 2010, there were 7,513 housing units, compared to 7,364 in 2020, at an average density of 20.9 per square mile (8.1/km2). The 2010 racial makeup of the county was 97.3% white (94.2%, 2020
), 0.7% Asian (0.8%, 2020
), 0.5% black or African American (same, 2020), 0.2% American Indian (same, 2020), 0.4% (0.5%, 2020) from other races, and 0.9% from two or more races (3.7%, 2020). Those of Hispanic or Latino origin made up 1.3% (1.7%, 2020) of the population. In terms of ancestry, 29.6% were German, 11.7% were American, 11.4% were English, and 9.2% were Irish.
Of the 6,726 households, 28.9% had children under the age of 18 living with them, 51.7% were married couples living together, 9.6% had a female householder with no husband present, 34.0% were non-families, and 29.3% of all households were made up of individuals. The average household size was 2.36 and the average family size was 2.88. The median age was 42.1 years.
The median income for a household in the county was $41,917 and the median income for a family was $53,853. Males had a median income of $41,058 versus $31,296 for females. The per capita income for the county was $22,874. About 9.5% of families and 13.8% of the population were below the poverty line, including 15.1% of those under age 18 and 11.9% of those age 65 or over. Richland is the top ranked most affordable county in Illinois to buy a car and is on average $932 less expensive than other Illinois counties.
Communities
City
- Olney (seat)
Villages
Unincorporated communities
- Berryville
- Dundas
- Elbow
- Wynoose
Townships
Richland County is divided into nine townships:
- Bonpas
- Claremont
- Decker
- Denver
- German
- Madison
- Noble
- Olney
- Preston
Notable people
- Alexander W. Swanitz (1851–1915), civil engineer who participated in the construction of railroads in various parts of the country
- Dial D. Ryder (1938–2011), gun smith
See also
In Spanish: Condado de Richland (Illinois) para niños
