Richland County, Illinois Demographics 2026

Name: Richland County, Illinois Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Richland County, Illinois has a population of 15,598, the 67th most populous county in Illinois. The median household income is $62,455 and the median home value is $112,000. The poverty rate is 12.1%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Richland County Quick Facts

Population 15,598

Median Household Income $62,455

Median Home Value $112,000

Poverty Rate 12.1%

Unemployment Rate 3.1%

Median Age 42.3 years

Homeownership Rate 73.8%

Affordability Ratio 1.8x

Bachelor's Degree+ 19.1%

High School Graduation 91.5%

Cities/Places 6

Population 15,598 67th of 102

Median Income $62,455 25% lower than state

Poverty Rate 12.1%

Unemployment 3.1%

How Richland County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	15,675	15,598	-0.5%
Median household income	$60,404	$62,455	+3.4%
Median home value	$106,600	$112,000	+5.1%

Median Household Income

Richland

$62,455

$83,390

National

$80,734

Median Home Value

Richland

$112,000

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 18.3%

$25K-$50K 21.3%

$50K-$100K 34.8%

$100K+ 25.6%

Detailed income brackets

Under $10K

6.4%

$10K-$15K

2.8%

$15K-$20K

4.4%

$20K-$25K

4.7%

$25K-$30K

3.7%

$30K-$35K

5.0%

$35K-$40K

4.3%

$40K-$45K

3.5%

$45K-$50K

4.9%

$50K-$60K

8.3%

$60K-$75K

9.5%

$75K-$100K

17.0%

$100K-$125K

10.2%

$125K-$150K

6.7%

$150K-$200K

4.5%

$200K+

4.3%

Employment

3.1% Unemployment Rate State: 5.8%|National: 5.2%

61.4% Labor Force Participation

Housing Overview

Owner 73.8%

Renter 26.2%

Affordability Index Very Affordable

1.8x home value to income ratio

Median gross rent $805/mo 15.5% of median household income annually

People & Demographics

Age Distribution

Under 18

23.0%

18-34

18.7%

35-54

23.5%

55-74

25.4%

75+

9.4%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Richland County

City	Population	Median Income	Poverty	Home Value
Olney	8,577	$59,980	14.2%	$99,800
Noble	649	$57,143	16.6%	$58,500
Dundas	272	N/A	7.0%	$77,700
Parkersburg	237	$42,917	19.1%	$54,000
Calhoun	227	$76,250	5.8%	$53,400
Claremont	195	$36,591	60.5%	$50,000

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Richland County is located in Illinois with a total population of 15,598. It is the 67th most populous county out of 102 in Illinois. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Richland County is 42.3 years. This is 8% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in Richland County is $62,455. This is 25% lower than the state median of $83,390. It is also 23% lower than the national median of $80,734. The poverty rate stands at 12.1%. This is 2% higher than the state poverty rate of 11.8%. The unemployment rate is 3.1%. This is 47% lower than the state rate of 5.8%. The median home value is $112,000. Housing costs are 57% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Richland County is one of the most affordable housing markets in the area. 73.8% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 67.1%.

Race & Ethnicity

Richland County has a predominantly White (non-Hispanic) population, comprising 93.4% of all residents. Hispanic or Latino residents account for 2.0%. The White (non-Hispanic) population is significantly higher than the state average (93.4% vs 58.1%). The Black or African American population (0.3%) is well below the state average of 13.3%. The Hispanic or Latino population (2.0%) is well below the state average of 18.8%. The Asian population (0.5%) is well below the state average of 5.9%.

Education

19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.5%.

Data Sources & Methodology

All figures for Richland County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Richland County, Illinois?

Richland County has a population of 15,598, making it the 67th most populous county in Illinois.

What is the median income in Richland County?

The median household income in Richland County is $62,455 with a poverty rate of 12.1%.

How many cities are in Richland County, Illinois?

Richland County contains 6 Census-designated places.