Washington is a city in Tazewell County, Illinois, home to about 15,919 people across 8.5 square miles. Its ZIP code is 61571.
Homes sold for a median of $133 per square foot in the three months ending August 2026, a seller’s market.
Mostly Washington; also East Peoria
Each card is that ZIP code’s whole market, including any part outside Washington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Washington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago Midway International Airport (MDW)114 miles away |
|---|---|
| Closer regional airport | General Wayne A. Downing Peoria International Airport (PIA)15 miles away |
| Nearest city of 250,000+ | Chicago, IL119 miles away |
Straight-line distances from the center of Washington; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Washington had 16,071 residents in the 2020 census, up 48% since 2000.
It’s the 157th largest of 1,450 towns in Illinois by population.
Tazewell County grew from 33,221 residents in 1900 to 131,343 in 2020.
Tazewell County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 17°F. About 37.5 inches of rain and melted snow fall in a typical year, with about 22 inches of snow.
Source: NOAA 1991–2020 climate normals, Congerville 2nw, IL weather station (11 miles away).
43,738 jobs at 2,772 businesses in Tazewell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
150 doctors and other health care providers list an office in Washington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 20 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 9 |
| Nurse practitioners and physician assistants | 31 |
| Mental health providers | 41 |
| Physical and occupational therapists | 38 |
| Optometrists | 4 |
| Chiropractors | 6 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (11 nearby)
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1834.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Central SD 51, District 50 Schools, Washington SD 52 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Central Primary SchWashington | Pre-K–4 | 700 | Public | 0.4 mi |
| J L Hensey Elem SchoolWashington | Pre-K–3 | 262 | Public | 3.7 mi |
| Lincoln Grade SchoolWashington | Pre-K–4 | 442 | Public | 0.6 mi |
| Beverly Manor Elementary SchoolWashington | 4–8 | 315 | Public | 3.0 mi |
| Central Intermediate SchWashington | 5–8 | 649 | Public | 0.5 mi |
| Washington Middle SchoolWashington | 5–8 | 378 | Public | 1.1 mi |
| Washington Comm High SchoolWashington | 9–12 | 1,399 | Public | 0.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Patrick SchoolWashington | Pre-K–8 | 150 | Roman Catholic | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with East Peoria.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.