Tazewell County, Illinois Demographics 2026

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

Tazewell County, Illinois has a population of 130,290, the 16th most populous county in Illinois. The median household income is $77,982 and the median home value is $167,500. The poverty rate is 9.0%.

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

Tazewell County Quick Facts

Population 130,290

Median Household Income $77,982

Median Home Value $167,500

Poverty Rate 9.0%

Unemployment Rate 3.6%

Median Age 41.9 years

Homeownership Rate 78.3%

Affordability Ratio 2.1x

Bachelor's Degree+ 28.4%

High School Graduation 94.3%

Cities/Places 17

Population 130,290 16th of 102

Median Income $77,982 6% lower than state

Poverty Rate 9.0%

Unemployment 3.6%

How Tazewell 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	130,555	130,290	-0.2%
Median household income	$76,704	$77,982	+1.7%
Median home value	$164,500	$167,500	+1.8%

Median Household Income

Tazewell

$77,982

$83,390

National

$80,734

Median Home Value

Tazewell

$167,500

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.2%

$25K-$50K 18.8%

$50K-$100K 30.2%

$100K+ 37.9%

Detailed income brackets

Under $10K

3.8%

$10K-$15K

3.2%

$15K-$20K

3.0%

$20K-$25K

3.1%

$25K-$30K

3.4%

$30K-$35K

3.4%

$35K-$40K

3.9%

$40K-$45K

3.1%

$45K-$50K

5.0%

$50K-$60K

7.4%

$60K-$75K

9.2%

$75K-$100K

13.6%

$100K-$125K

11.4%

$125K-$150K

7.7%

$150K-$200K

10.6%

$200K+

8.2%

Employment

3.6% Unemployment Rate State: 5.8%|National: 5.2%

62.3% Labor Force Participation

Housing Overview

Owner 78.3%

Renter 21.7%

Affordability Index Very Affordable

2.1x home value to income ratio

Median gross rent $909/mo 14.0% of median household income annually

People & Demographics

Age Distribution

Under 18

21.9%

18-34

19.3%

35-54

25.7%

55-74

24.6%

75+

8.5%

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 Tazewell County

City	Population	Median Income	Poverty	Home Value
East Peoria	22,324	$71,833	11.8%	$163,500
Morton	16,595	$94,402	6.5%	$239,400
Washington	15,919	$95,179	5.1%	$221,900
Creve Coeur	4,621	$47,993	17.7%	$85,500
Marquette Heights	2,492	$75,625	3.7%	$123,800
Tremont	2,366	$79,810	5.1%	$187,400
Mackinaw	1,979	$67,292	8.2%	$158,300
North Pekin	1,571	$80,224	7.7%	$125,600
Heritage Lake	1,522	$133,048	7.8%	$207,300
Delavan	1,489	$62,841	11.0%	$123,600
Minier	1,102	$88,542	6.3%	$148,400
Goodfield	985	$113,438	4.2%	$246,400
South Pekin	883	$67,176	10.5%	$106,400
Hopedale	753	$54,375	28.1%	$144,700
Green Valley	683	$53,500	19.6%	$115,900
Deer Creek	654	$94,375	7.8%	$148,900
Armington	343	$62,083	25.9%	$93,300

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

Tazewell County is located in Illinois with a total population of 130,290. It is the 16th most populous county out of 102 in Illinois. The county encompasses 17 Census-designated places.

Age Demographics

The median age in Tazewell County is 41.9 years. This is 7% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in Tazewell County is $77,982. This is 6% lower than the state median of $83,390. It is also 3% lower than the national median of $80,734. The poverty rate stands at 9.0%. This is 24% lower than the state poverty rate of 11.8%. The unemployment rate is 3.6%. This is 39% lower than the state rate of 5.8%. The median home value is $167,500. Housing costs are 36% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.1x, Tazewell County is one of the most affordable housing markets in the area. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.1%.

Race & Ethnicity

Tazewell County has a predominantly White (non-Hispanic) population, comprising 91.9% of all residents. Hispanic or Latino residents account for 2.7%. The White (non-Hispanic) population is significantly higher than the state average (91.9% vs 58.1%). The Black or African American population (1.6%) is well below the state average of 13.3%. The Hispanic or Latino population (2.7%) is well below the state average of 18.8%. The Asian population (1.0%) is well below the state average of 5.9%.

Education

28.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% 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 94.3%.

Data Sources & Methodology

All figures for Tazewell 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 Tazewell County, Illinois?

Tazewell County has a population of 130,290, making it the 16th most populous county in Illinois.

What is the median income in Tazewell County?

The median household income in Tazewell County is $77,982 with a poverty rate of 9.0%.

How many cities are in Tazewell County, Illinois?

Tazewell County contains 17 Census-designated places.