Township · Illinois

Cincinnati Township, Tazewell County, Illinois

Cincinnati Township, Tazewell County, township, in Tazewell County, Illinois. Cincinnati Township, Tazewell County had 8,825 residents on July 1, 2025 by the Census Bureau's estimate, down 0.9% since 2020; the 2020 Census counted 8,833 and the ACS 2020-2024 5-year estimates put it at 8,797 (±37). GEOID 1717914403.

Residents, July 2025 estimate

8,825

Census Bureau estimate (no margin published)
2020 Census count: 8,833 · ACS 2020-2024: 8,797 ±37

Median household income

$83,712

±$12,329 (90% margin)
Illinois: $83,390

Median home value

$178,600

±$21,793 (90% margin)
Illinois: $263,300

Median gross rent

$1,106

±$303 (90% margin)
Illinois: $1,274

Where is Cincinnati Township, Tazewell County and what county is it in?

Cincinnati Township, Tazewell County is a township in Tazewell County, Illinois. It covers 28.0 square miles of land, 316 residents per square mile in 2020.

One place lies inside Cincinnati Township (Tazewell County): South Pekin (village, 996 in 2020). Part of Pekin (city) also lies in it.

Cincinnati Township, Tazewell County is in the Peoria, IL metropolitan statistical area, which takes in 5 counties (Census Bureau delineation, July 2023).

Cincinnati Township, Tazewell County (marked with a dot) in Tazewell County, Illinois. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Cincinnati Township, Tazewell County, and is it growing?

The Census Bureau estimates that 8,825 people lived in Cincinnati Township, Tazewell County on July 1, 2025, down 0.9% since 2020, in line with Illinois (−0.8%). The 2020 Census counted 8,833 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 8,797 (±37).

  • July 2020→2021 −54 (8,833)
  • 2021→2022 −29 (8,804)
  • 2022→2023 +43 (8,847)
  • 2023→2024 −11 (8,836)
  • 2024→2025 −11 (8,825)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureCincinnati Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Total population8,797±37130,29012,694,798−193
Households2,838±22754,0515,036,449−419
Average household size2.53±0.202.352.46no clear change
Housing units2,949±22258,7315,457,452−522

Cincinnati Township, Tazewell County's population since 2000

From 8,862 in 2000 to 8,825 in 2025: down 0.4%. The 2000, 2010 and 2020 figures are census counts, each for Cincinnati Township, Tazewell County as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. 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.

  • 2000 Census 8,862
  • 2005 (estimate) 9,186
  • 2010 Census 9,506
  • 2015 (estimate) 9,122
  • 2020 Census 8,833
  • 2025 (estimate) 8,825

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); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Cincinnati Township, Tazewell County?

The median resident of Cincinnati Township, Tazewell County is 40.7 years old; 20.2% are under 18 and 18.5% are 65 or older. The largest group is non-Hispanic white residents at 85.6%, then non-Hispanic Black residents at 5.6%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureCincinnati Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median age40.7±1.341.939.0no clear change
Under 18 years20.2%±3.2 pts21.9%21.8%–
65 years and over18.5%±2.9 pts19.9%17.0%–
Male56.9%±2.8 pts49.6%49.4%–
Hispanic or Latino (any race)3.5%±1.1 pts2.7%18.8%no clear change
White alone, not Hispanic85.6%±2.5 pts91.9%58.1%no clear change
Black or African American alone, not Hispanic5.6%±0.6 pts1.6%13.3%no clear change
Asian alone, not Hispanic1.3%±1.3 pts1.0%5.9%–
American Indian and Alaska Native alone, not Hispanic1.0%±0.4 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.4 pts0.0%0.0%–
Two or more races, not Hispanic2.9%±1.9 pts2.5%3.4%–
Some other race alone, not Hispanic0.0%±0.4 pts0.2%0.4%–
Born outside the United States1.9%±1.5 pts1.6%14.7%–
Speak a language other than English at home (age 5+)4.7%±1.7 pts2.4%24.0%–
Civilian veterans (age 18+)7.8%±2.0 pts7.0%4.8%–
With a disability17.4%±3.1 pts12.5%12.1%–
No health insurance coverage4.7%±1.8 pts5.1%6.9%no clear change
High school graduate or higher (age 25+)88.7%±2.1 pts94.3%90.5%–
Bachelor's degree or higher (age 25+)19.4%±5.1 pts28.4%37.8%no clear change
Graduate or professional degree (age 25+)5.0%±1.5 pts9.2%15.3%–
Lived in the same house a year earlier77.8%±3.8 pts89.9%88.9%–
Moved from another state in the past year5.8%±1.7 pts1.3%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 Cincinnati Township, Tazewell County earn?

Half of Cincinnati Township, Tazewell County's 2,838 households earn less than $83,712 a year (±$12,329), against $77,982 in Tazewell County and $83,390 in Illinois. In 2015-2019 it was $73,010 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureCincinnati Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median household income$83,712±$12,329$77,982$83,390no clear change
Mean household income$100,353±$8,984$97,832$115,638–
Per capita income$35,708±$3,802$41,190$46,406no clear change
People below the poverty line8.4%±3.9 pts9.0%11.8%no clear change
Children under 18 below the poverty line11.7%±9.0 pts11.6%15.1%–
Households receiving SNAP13.9%±4.5 pts10.4%13.8%–
Households with a computer91.2%±3.3 pts95.7%95.2%–
Households with a broadband subscription84.6%±4.5 pts90.2%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 Cincinnati Township, Tazewell County?

Owners occupy 72.8% of Cincinnati Township, Tazewell County's occupied homes and renters 27.2%. The median owner-occupied home is valued at $178,600 by its owner (±$21,793). The median renter pays $1,106 a month including utilities, and 37.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureCincinnati Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$178,600±$21,793$167,500$263,300no clear change
Median gross rent$1,106±$303$909$1,274no clear change
Renters paying 35% or more of income on rent37.3%±11.9 pts35.4%39.0%no clear change
Median monthly owner costs, with a mortgage$1,378±$147$1,455$1,987–
Owner-occupied homes72.8%±4.7 pts78.4%67.1%no clear change
Renter-occupied homes27.2%±4.7 pts21.6%32.9%–
Housing units2,949±22258,7315,457,452−522
Homeowner vacancy rate0.3%±0.5 pts0.8%1.0%–
Rental vacancy rate2.4%±3.9 pts6.5%5.0%–
Single-family detached homes75.0%±3.8 pts80.6%58.2%–
Mobile homes0.1%±0.1 pts1.7%2.3%–
Built 2020 or later0.2%±0.2 pts0.7%0.7%–
Built 2010 to 20195.2%±3.0 pts5.1%5.0%–
Built 1939 or earlier8.5%±2.5 pts14.8%20.2%–
Households with no vehicle6.0%±2.6 pts5.5%11.0%–

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 do people in Cincinnati Township, Tazewell County work and get to work?

82.6% of Cincinnati Township, Tazewell County's workers drive alone and 9.7% work from home. The average trip to work takes 23.5 minutes. The unemployment rate in 2020-2024 averaged 5.1%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureCincinnati Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
In the labor force (age 16+)49.5%±3.2 pts62.3%65.0%–
Unemployment rate5.1%±2.0 pts3.6%5.8%no clear change
Drove alone to work82.6%±6.2 pts79.6%65.9%–
Carpooled4.0%±1.8 pts6.6%7.8%–
Public transportation0.5%±0.5 pts0.4%5.8%–
Walked0.5%±0.8 pts1.5%2.8%–
Worked from home9.7%±5.5 pts11.0%15.9%+6.5 pts
Mean travel time to work23.5 min±1.820.8 min27.8 minno 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 census tracts are in Cincinnati Township, Tazewell County?

1 census tract lies mostly in Cincinnati Township, Tazewell County, and 4 more reach into it (2020 census blocks).

Census tracts in Cincinnati Township, Tazewell County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Cincinnati Township, Tazewell County
Tract 218.01Tazewell County5,430 $77,407 $134,40099%
Tract 211.02Tazewell County5,273 $72,405 $163,10048%
Tract 218.02Tazewell County1,847 $89,375 $160,50027%
Tract 211.01Tazewell County6,214 $49,085 $144,1002%
Tract 209Tazewell County1,719 $49,432 $83,0007%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Cincinnati Township, Tazewell County) · Census block assignment files

How does Cincinnati Township, Tazewell County compare with other places in Illinois?

By the Census Bureau's July 2025 estimates, Cincinnati Township, Tazewell County is the 1,412th-most populous of the 16,079 U.S. towns and townships that have one and the 166th-most populous of 1,407 in Illinois.

Cincinnati Township, Tazewell County ranks 581st of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Cincinnati Township, Tazewell County's rank in Illinois (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate166th1,407
Growth 2020-2025 (PEP)413th1,347
Residents per square mile840th1,383
Median household income581st1,380
Per capita income846th1,383
Median home value651st1,379
Median gross rent462nd1,280
Poverty rate685th1,119
Bachelor's degree or higher916th1,369
Median age726th1,383
Owner-occupied share919th1,382
Work from home615th1,015
Travel time to work879th1,382

Cincinnati Township, Tazewell County's figures with every place in Illinois (CSV)

Every place in Illinois, sortable · Compare Cincinnati Township, Tazewell County with other places

Source: PlainCities ranks computed 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 reliable are the figures for Cincinnati Township, Tazewell County?

11 of the 57 figures for Cincinnati Township, Tazewell County on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

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 Cincinnati Township, 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.