Township · Illinois

Washington Township, Tazewell County, Illinois

Washington Township, Tazewell County, township, in Tazewell County, Illinois. Washington Township, Tazewell County had 24,235 residents on July 1, 2025 by the Census Bureau's estimate, down 1.3% since 2020; the 2020 Census counted 24,595 and the ACS 2020-2024 5-year estimates put it at 24,276 (±56). GEOID 1717979046.

Residents, July 2025 estimate

24,235

Census Bureau estimate (no margin published)
2020 Census count: 24,595 · ACS 2020-2024: 24,276 ±56

Median household income

$89,618

±$7,438 (90% margin)
Illinois: $83,390

Median home value

$202,300

±$12,654 (90% margin)
Illinois: $263,300

Median gross rent

$988

±$140 (90% margin)
Illinois: $1,274

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

Washington Township, Tazewell County is a township in Tazewell County, Illinois. It covers 54.9 square miles of land, 448 residents per square mile in 2020.

One place lies inside Washington Township (Tazewell County): Washington (city, 16,071 in 2020). Part of East Peoria (city) also lies in it.

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

Washington 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 Washington Township, Tazewell County, and is it growing?

The Census Bureau estimates that 24,235 people lived in Washington Township, Tazewell County on July 1, 2025, down 1.3% since 2020, a steeper fall than Illinois's (−0.8%). The 2020 Census counted 24,595 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 24,276 (±56).

  • July 2020→2021 −116 (24,395)
  • 2021→2022 −201 (24,194)
  • 2022→2023 −9 (24,185)
  • 2023→2024 +3 (24,188)
  • 2024→2025 +47 (24,235)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureWashington Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Total population24,276±56130,29012,694,798−467
Households9,697±38454,0515,036,449no clear change
Average household size2.49±0.102.352.46no clear change
Housing units10,219±35158,7315,457,452no clear change

Washington Township, Tazewell County's population since 2000

From 19,427 in 2000 to 24,235 in 2025: up 24.7%. The 2000, 2010 and 2020 figures are census counts, each for Washington 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 19,427
  • 2005 (estimate) 21,382
  • 2010 Census 23,604
  • 2015 (estimate) 24,728
  • 2020 Census 24,595
  • 2025 (estimate) 24,235

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 Washington Township, Tazewell County?

The median resident of Washington Township, Tazewell County is 40.6 years old; 25.6% are under 18 and 18.1% are 65 or older. The largest group is non-Hispanic white residents at 93.6%, then Hispanic or Latino residents (of any race) at 2.7%. 1.9% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureWashington Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median age40.6±2.041.939.0no clear change
Under 18 years25.6%±1.6 pts21.9%21.8%–
65 years and over18.1%±1.3 pts19.9%17.0%–
Male46.6%±1.7 pts49.6%49.4%–
Hispanic or Latino (any race)2.7%±0.9 pts2.7%18.8%no clear change
White alone, not Hispanic93.6%±1.4 pts91.9%58.1%no clear change
Black or African American alone, not Hispanic0.3%±0.3 pts1.6%13.3%–
Asian alone, not Hispanic1.1%±0.6 pts1.0%5.9%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.2 pts0.0%0.0%–
Two or more races, not Hispanic2.1%±0.7 pts2.5%3.4%–
Some other race alone, not Hispanic0.1%±0.1 pts0.2%0.4%–
Born outside the United States1.9%±0.7 pts1.6%14.7%no clear change
Speak a language other than English at home (age 5+)2.9%±0.9 pts2.4%24.0%–
Civilian veterans (age 18+)6.1%±1.1 pts7.0%4.8%–
With a disability10.6%±1.5 pts12.5%12.1%–
No health insurance coverage5.6%±2.5 pts5.1%6.9%no clear change
High school graduate or higher (age 25+)97.2%±1.0 pts94.3%90.5%–
Bachelor's degree or higher (age 25+)38.1%±3.1 pts28.4%37.8%no clear change
Graduate or professional degree (age 25+)13.7%±2.0 pts9.2%15.3%–
Lived in the same house a year earlier91.9%±1.6 pts89.9%88.9%–
Moved from another state in the past year0.6%±0.4 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 Washington Township, Tazewell County earn?

Half of Washington Township, Tazewell County's 9,697 households earn less than $89,618 a year (±$7,438), against $77,982 in Tazewell County and $83,390 in Illinois. In 2015-2019 it was $89,593 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.4% 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
MeasureWashington Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median household income$89,618±$7,438$77,982$83,390no clear change
Mean household income$110,009±$5,796$97,832$115,638–
Per capita income$44,090±$2,249$41,190$46,406no clear change
People below the poverty line6.4%±2.1 pts9.0%11.8%no clear change
Children under 18 below the poverty line7.5%±5.6 pts11.6%15.1%–
Households receiving SNAP6.2%±2.0 pts10.4%13.8%–
Households with a computer96.7%±1.4 pts95.7%95.2%–
Households with a broadband subscription93.3%±1.4 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 Washington Township, Tazewell County?

Owners occupy 80.5% of Washington Township, Tazewell County's occupied homes and renters 19.5%. The median owner-occupied home is valued at $202,300 by its owner (±$12,654). The median renter pays $988 a month including utilities, and 33.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureWashington Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$202,300±$12,654$167,500$263,300no clear change
Median gross rent$988±$140$909$1,274no clear change
Renters paying 35% or more of income on rent33.3%±10.0 pts35.4%39.0%no clear change
Median monthly owner costs, with a mortgage$1,711±$81$1,455$1,987–
Owner-occupied homes80.5%±3.4 pts78.4%67.1%no clear change
Renter-occupied homes19.5%±3.4 pts21.6%32.9%–
Housing units10,219±35158,7315,457,452no clear change
Homeowner vacancy rate0.4%±0.7 pts0.8%1.0%–
Rental vacancy rate0.6%±1.1 pts6.5%5.0%–
Single-family detached homes81.7%±3.1 pts80.6%58.2%–
Mobile homes0.4%±0.3 pts1.7%2.3%–
Built 2020 or later0.5%±0.5 pts0.7%0.7%–
Built 2010 to 201912.5%±2.3 pts5.1%5.0%–
Built 1939 or earlier9.3%±2.2 pts14.8%20.2%–
Households with no vehicle5.2%±1.7 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 Washington Township, Tazewell County work and get to work?

75.4% of Washington Township, Tazewell County's workers drive alone and 15.9% work from home. The average trip to work takes 19.6 minutes. The unemployment rate in 2020-2024 averaged 2.3%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureWashington Township, Tazewell CountyTazewell CountyIllinoisChange since 2015-2019
In the labor force (age 16+)65.7%±2.3 pts62.3%65.0%–
Unemployment rate2.3%±1.0 pts3.6%5.8%no clear change
Drove alone to work75.4%±3.6 pts79.6%65.9%–
Carpooled6.1%±1.9 pts6.6%7.8%–
Public transportation0.0%±0.3 pts0.4%5.8%–
Walked1.8%±0.9 pts1.5%2.8%–
Worked from home15.9%±2.8 pts11.0%15.9%+12.2 pts
Mean travel time to work19.6 min±1.020.8 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 Washington Township, Tazewell County?

6 census tracts lie mostly in Washington Township, Tazewell County, and 2 more reach into it (2020 census blocks). Their median household incomes run from $61,012 (Tract 224) to $115,395 (Tract 223).

Census tracts in Washington Township, Tazewell County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Washington Township, Tazewell County
Tract 223Tazewell County5,830 $115,395 $273,200100%
Tract 222Tazewell County4,240 $83,750 $206,500100%
Tract 221Tazewell County3,883 $87,944 $168,900100%
Tract 224Tazewell County4,404 $61,012 $143,10077%
Tract 212.03Tazewell County5,538 $72,101 $169,00055%
Tract 212.01Tazewell County4,664 $110,714 $271,30064%
Tract 216.03Tazewell County6,174 $126,650 $276,5003%
Tract 215Tazewell County6,491 $81,400 $202,4001%

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 Washington Township, Tazewell County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Washington Township, Tazewell County is the 478th-most populous of the 16,079 U.S. towns and townships that have one and the 86th-most populous of 1,407 in Illinois.

Washington Township, Tazewell County ranks 483rd of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Washington 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 estimate86th1,407
Growth 2020-2025 (PEP)506th1,347
Residents per square mile788th1,383
Median household income483rd1,380
Per capita income430th1,383
Median home value574th1,379
Median gross rent584th1,280
Poverty rate848th1,119
Bachelor's degree or higher294th1,369
Median age737th1,383
Owner-occupied share560th1,382
Work from home260th1,015
Travel time to work1,165th1,382

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

Every place in Illinois, sortable · Compare Washington 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 Washington Township, Tazewell County?

11 of the 57 figures for Washington 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 Washington 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.