Zip Code 61571
Washington, Illinois — Tazewell County
📍 ZIP code 61571 is in Washington, Tazewell County, Illinois.
ZIP code 61571 is located in Washington, Tazewell County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 24,544. The area code for ZIP code 61571 is 217.
Quick Answer
Zip code 61571 is in Washington, Illinois (Tazewell County). It has a population of 24,544, median household income of $87,852, and median home value of $200,300.
Population
24,544
Income
$87,852
Home Value
$200,300
Climate
86°F / 17°F
About Zip Code 61571
Zip code 61571 is located in Washington, Illinois, within Tazewell County. Home to approximately 24,544 residents, this area sits at an elevation of 760 ft and falls within the Central (CST/CDT) timezone. The local area code is 217.
The median household income is $87,852 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $200,300, and the cost of living index is 88 (12% below the national average of 100).
Summers average a high of 86°F while winters drop to 17°F. The area receives about 37 in of rain and 22 in of snow annually. The zip code covers 56.8 square miles of land area.
Key Statistics
24,544
$87,852
$200,300
Central (CST/CDT)
217
760 ft
56.8 sq mi
40.2
10,273
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Compare With Nearby Zip Codes
| Metric | 61571 | 61611 | 61550 | 61733 | 61548 | 61530 |
|---|---|---|---|---|---|---|
| City | Washington, IL | East Peoria, IL | Morton, IL | Deer Creek, IL | Metamora, IL | Eureka, IL |
| Population | 24,544 | 23,698 | 18,688 | 944 | 12,165 | 6,297 |
| Median Income | $87,852 | $76,329 | $92,269 | $93,400 | $114,167 | $68,631 |
| Home Value | $200,300 | $162,500 | $247,000 | $191,400 | $239,500 | $166,700 |
| Cost of Living | 88 | 74 | 97 | 82 | 107 | 68 |
| Median Age | 40.2 | 42.8 | 42 | 35.2 | 40.4 | 40.1 |
Cost of Living
100 = National Average. Washington's cost of living is 12% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.3x
Demographics
Zip code 61571 has a population of 24,544 people with a median age of 40.2. There are 10,273 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Washington (61571) population trend from 2010 to 2024
↓ -33.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
17°F
37 in
22 in
Washington experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 17°F. The area receives about 22 in of snow per year.
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Housing & Economy
Median Home Value
$200,300
Median Household Income
$87,852
With 10,273 housing units across 56.8 square miles, 61571 has a housing density of 181 units per square mile. The home price-to-income ratio is 2.3x.
Location & Geography
Latitude
40.7041°
Longitude
-89.4179°
Land Area
56.8 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 61571 (Washington, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 61571's $87,852. A way to compare Washington to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 61571 (Washington, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Washington, Illinois?
Washington, Illinois uses zip code 61571.
What county is zip code 61571 in?
Zip code 61571 is located in Tazewell County, Illinois.
What is the population of zip code 61571?
The population of zip code 61571 is 24,544 with a median age of 40.2.
Is 61571 in Washington, Illinois?
Yes, zip code 61571 is in Washington, Tazewell County, Illinois. The area code is 217.
Frequently Asked Questions
What city is zip code 61571 in?
Zip code 61571 is in Washington, Illinois. It is part of Tazewell County and uses the Central (CST/CDT) timezone.
What is zip code 61571?
Zip code 61571 is a U.S. postal code in Washington, Illinois (Tazewell County). It has a population of 24,544 and covers 56.8 square miles.
What is the population of zip code 61571?
The population of zip code 61571 (Washington, IL) is 24,544 with a median age of 40.2. There are approximately 10,273 housing units in this area.
What is the median income in zip code 61571?
The median household income in zip code 61571 (Washington, IL) is $87,852 per year. The cost of living index is 88 (100 = national average).
What is the average home price in zip code 61571?
The median home value in zip code 61571 (Washington, IL) is $200,300. The cost of living index is 88 compared to the national average of 100.
What county is zip code 61571 in?
Zip code 61571 is located in Tazewell County, Illinois. The primary city is Washington.
What is the area code for zip code 61571?
Zip code 61571 in Washington, IL uses area code 217. It is located in the Central (CST/CDT) timezone.
Is zip code 61571 a good place to live?
Zip code 61571 (Washington, IL) has a cost of living index of 88 (100 = national average), a median household income of $87,852, and median home values of $200,300. The median age is 40.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 61571?
The cost of living index for zip code 61571 (Washington, IL) is 88, where 100 represents the national average. This area is below the national average. Median home value: $200,300.
What schools serve zip code 61571?
Zip code 61571 in Washington, Illinois is served by the local school district of Tazewell County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.