County · Illinois
Tazewell County, Illinois
Tazewell County, Illinois. Tazewell County had 130,049 residents in 2025 by the Census Bureau's estimate, down 1.1% since 2020, in line with Illinois (−0.8%). It holds 38 places (18 cities, villages and boroughs, 19 towns and townships and 1 census-designated) and 30 census tracts. GEOID 17179.
Tazewell County is one of the 5 counties of the Peoria, IL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
130,049
Census Bureau estimate (no margin published)
2020 Census count: 131,343 · ACS 2020-2024: 130,290
Median household income
$77,982
±$1,962 (90% margin)
Illinois: $83,390
Median home value
$167,500
±$2,913 (90% margin)
Illinois: $263,300
Median gross rent
$909
±$34 (90% margin)
Illinois: $1,274
How many people live in Tazewell County, and is it growing?
The 2020 Census counted 131,343 residents in Tazewell County. The Census Bureau estimates 130,049 for July 1, 2025, down 1.1% since 2020, in line with Illinois (−0.8%). The 2020-2024 American Community Survey puts the population at 130,290 over 646 square miles of land.
| Measure | Tazewell County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Total population | 130,290 | 12,694,798 | −2,905 |
| Households | 54,051±517 | 5,036,449 | no clear change |
| Average household size | 2.35±0.02 | 2.46 | −0.06 |
| Housing units | 58,731±93 | 5,457,452 | no clear change |
Tazewell County's population since 2000
From 128,485 in 2000 to 130,049 in 2025: up 1.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Tazewell County?
Tazewell County holds 38 places: 18 cities, villages and boroughs (incorporated places), 19 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Pekin with 31,277 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Pekin | 31,731 | $60,790 |
|---|---|---|
| Pekin Township | 27,597 | $59,074 |
| Washington Township, Tazewell County | 24,595 | $89,618 |
| East Peoria | 22,484 | $71,833 |
| Groveland Township, Tazewell County | 18,854 | $65,830 |
| Morton Township | 17,767 | $100,633 |
| Morton | 17,117 | $94,402 |
| Washington | 16,071 | $95,179 |
| Fondulac Township | 12,231 | $74,478 |
| Cincinnati Township, Tazewell County | 8,833 | $83,712 |
| Creve Coeur | 4,934 | $47,993 |
| Mackinaw Township | 4,245 | $102,770 |
| Elm Grove Township | 2,949 | $103,973 |
| Tremont Township | 2,691 | $93,092 |
| Marquette Heights | 2,541 | $75,625 |
| Tremont | 2,277 | $79,810 |
| Delavan Township | 1,934 | $67,250 |
| Mackinaw | 1,879 | $67,292 |
| Hopedale Township | 1,844 | $97,891 |
| Spring Lake Township | 1,677 | $86,685 |
| Delavan | 1,568 | $62,841 |
| Heritage LakeGEOID 1734272 | 1,523 | $133,048 |
| North Pekin | 1,478 | $80,224 |
| Little Mackinaw Township | 1,473 | $90,114 |
| Deer Creek Township | 1,411 | $107,500 |
| Sand Prairie Township | 1,306 | $67,500 |
| Minier | 1,154 | $88,542 |
| South Pekin | 996 | $67,176 |
| Dillon Township | 943 | $89,688 |
| Hopedale | 830 | $54,375 |
| Deer Creek | 667 | $94,375 |
| Green Valley | 630 | $53,500 |
| Hittle TownshipGEOID 1717935359 | 565 | $88,333 |
| Armington | 310 | $62,083 |
| Goodfield | 936 | $113,438 |
| Malone TownshipGEOID 1717946266 | 216 | $148,854 |
| Boynton TownshipGEOID 1717907627 | 212 | $155,063 |
| Peoria Heights | 5,908 | $60,099 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Tazewell County?
The median resident of Tazewell County is 41.9 years old; 21.9% are under 18 and 19.9% are 65 or older. The largest group is non-Hispanic white residents at 91.9%, then Hispanic or Latino residents (of any race) at 2.7%. 1.6% of residents were born outside the United States.
| Measure | Tazewell County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.9±0.3 | 39.0 | +0.9 |
| Under 18 years | 21.9% | 21.8% | – |
| 65 years and over | 19.9%±0.1 pts | 17.0% | – |
| Hispanic or Latino (any race) | 2.7% | 18.8% | +0.4 pts |
| White alone, not Hispanic | 91.9%±0.3 pts | 58.1% | −2.0 pts |
| Black or African American alone, not Hispanic | 1.6%±0.2 pts | 13.3% | +0.4 pts |
| Asian alone, not Hispanic | 1.0%±0.2 pts | 5.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.5%±0.4 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.2%±0.1 pts | 0.4% | – |
| Born outside the United States | 1.6%±0.3 pts | 14.7% | no clear change |
| Speak a language other than English at home (age 5+) | 2.4%±0.3 pts | 24.0% | – |
| Civilian veterans (age 18+) | 7.0%±0.5 pts | 4.8% | – |
| With a disability | 12.5%±0.6 pts | 12.1% | – |
| No health insurance coverage | 5.1%±0.8 pts | 6.9% | +1.3 pts |
| High school graduate or higher (age 25+) | 94.3%±0.7 pts | 90.5% | – |
| Bachelor's degree or higher (age 25+) | 28.4%±1.0 pts | 37.8% | +2.1 pts |
| Graduate or professional degree (age 25+) | 9.2%±0.8 pts | 15.3% | – |
| Moved from another state in the past year | 1.3%±0.4 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Tazewell County earn?
Half of Tazewell County's 54,051 households earn less than $77,982 a year (±$1,962), against $83,390 in Illinois. In 2015-2019 it was $78,092 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.0% of residents live below the poverty line.
| Measure | Tazewell County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $77,982±$1,962 | $83,390 | no clear change |
| Mean household income | $97,832±$2,291 | $115,638 | – |
| Per capita income | $41,190±$930 | $46,406 | no clear change |
| People below the poverty line | 9.0%±0.9 pts | 11.8% | no clear change |
| Children under 18 below the poverty line | 11.6%±2.3 pts | 15.1% | no clear change |
| Households receiving SNAP | 10.4%±1.2 pts | 13.8% | – |
| Households with a broadband subscription | 90.2%±0.9 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Tazewell County?
Owners occupy 78.4% of Tazewell County's occupied homes and renters 21.6%. The median owner-occupied home is valued at $167,500 by its owner (±$2,913). The median renter pays $909 a month including utilities, and 35.4% of renters pay 35% or more of their income on rent.
| Measure | Tazewell County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $167,500±$2,913 | $263,300 | −$7,259 |
| Median gross rent | $909±$34 | $1,274 | no clear change |
| Renters paying 35% or more of income on rent | 35.4%±3.9 pts | 39.0% | +5.1 pts |
| Median monthly owner costs, with a mortgage | $1,455±$34 | $1,987 | – |
| Owner-occupied homes | 78.4%±1.4 pts | 67.1% | +2.0 pts |
| Housing units | 58,731±93 | 5,457,452 | no clear change |
| Homeowner vacancy rate | 0.8%±0.5 pts | 1.0% | – |
| Rental vacancy rate | 6.5%±1.9 pts | 5.0% | – |
| Single-family detached homes | 80.6%±1.4 pts | 58.2% | – |
| Mobile homes | 1.7%±0.4 pts | 2.3% | – |
| Built 2020 or later | 0.7%±0.2 pts | 0.7% | – |
| Built 1939 or earlier | 14.8%±1.1 pts | 20.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Tazewell County building?
Builders took permits for 118 new housing units across Tazewell County in 2025 (84 single-family), 0.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Tazewell County get to work?
79.6% of Tazewell County's workers drive alone and 11.0% work from home. The average trip to work takes 20.8 minutes. The unemployment rate in 2020-2024 averaged 3.6%.
| Measure | Tazewell County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.3%±0.9 pts | 65.0% | – |
| Unemployment rate | 3.6%±0.5 pts | 5.8% | −0.8 pts |
| Drove alone to work | 79.6%±1.5 pts | 65.9% | – |
| Carpooled | 6.6%±0.9 pts | 7.8% | – |
| Public transportation | 0.4%±0.2 pts | 5.8% | – |
| Walked | 1.5%±0.4 pts | 2.8% | – |
| Worked from home | 11.0%±1.1 pts | 15.9% | +7.8 pts |
| Mean travel time to work | 20.8 min±0.6 | 27.8 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Tazewell County's census tracts?
Tazewell County is divided into 30 census tracts. Among those with a reliable estimate, median household income runs from $47,318 (Tract 201) to $126,650 (Tract 216.03).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Tazewell County compare with Illinois's other counties?
| Measure | Rank |
|---|---|
| Population | 16th of 102 |
| Growth 2020-2025 | 31st of 102 |
| Residents per square mile | 15th of 102 |
| Median household income | 21st of 102 |
| Median home value | 28th of 102 |
| Median gross rent | 27th of 102 |
| Poverty rate | 82nd of 102 |
| Bachelor's degree or higher | 21st of 102 |
| Median age | 57th of 102 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Tazewell County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.