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Illinois ZIP Codes
Tazewell County
Washington, IL
61571
61571 ZIP Code — Washington, IL
Tazewell County, Illinois
ZIP code 61571 is located in
Washington ,
Illinois ,
within Tazewell County .
It covers approximately 53.47 square miles and serves a population of
24,712 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 309 .
About ZIP code 61571
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $195,500. Owner-occupancy is high at 81%, well above the national average.
Median household income is $85,853. The poverty rate of 5% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
Overall, ZIP code 61571 reflects a community defined by high homeownership and a significant Social Security-dependent population.
61571 ZIP code map
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Cities in ZIP code 61571
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
24,712
Population density
462 / sq mi
State FIPS
17
County FIPS
179
Geography
Land area
53.47 sq mi
Water area
0.02 sq mi
Latitude
40.6956
Longitude
-89.4343
Timezone
Central (CT)
Area code
309
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
30.8%
37.5%
37.2%
$50k – $100k
32.7%
33.6%
29.6%
$100k – $200k
28.8%
24.0%
24.4%
Over $200k
7.8%
4.9%
8.8%
Demographics & statistics
$85,853
Median household income
$195,500
Median home value
$1,022
Median monthly rent
39.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,680 27.0%
18 and over 18,032 73.0%
65 and over 4,140 16.8%
Median age 39.2 years
Race & ethnicity
Black or African American
0.3%
Group Count %
White 23,608 93.9%
Two or more races 503 2%
Hispanic or Latino 418 1.7%
Asian 294 1.2%
Other race 225 0.9%
Black or African American 64 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
30.8%
37.5%
37.2%
$50k – $100k
32.7%
33.6%
29.6%
$100k – $200k
28.8%
24.0%
24.4%
Over $200k
7.8%
4.9%
8.8%
Range % of households
Under $10k 2.7%
$10k–$15k 2.7%
$15k–$25k 6.8%
$25k–$35k 5.4%
$35k–$50k 7.5%
$50k–$75k 19.1%
$75k–$100k 14.3%
$100k–$150k 20.3%
$150k–$200k 10.4%
$200k+ 10.8%
Median income $85,853
Housing
Housing overview
Metric Value
Median home value $195,500
Median rent / month $1,022
Owner occupied 81.4%
Renter occupied 18.6%
Vacant 6.6%
Single-family detached 81.9%
Large apartment buildings 2.8%
Mobile homes 0.4%
Median rooms 6.3
Avg household size (owned) 2.71
Year built
Era %
2020 or later 0.0%
2010–2019 11.9%
2000–2009 15.9%
1990–1999 8.4%
1980–1989 3.8%
1970–1979 15.6%
1960–1969 14.6%
1950–1959 12.7%
1940–1949 6.8%
1939 or earlier 10.4%
Bedrooms
Size % of units
No bedroom (studio) 1.0%
1 bedroom 6.1%
2 bedrooms 16.3%
3 bedrooms 48.8%
4 bedrooms 20.3%
5+ bedrooms 7.4%
Vehicles per household
Vehicles % of households
No vehicle 4.5%
1 vehicle 28.5%
2 vehicles 41.0%
3 or more 26.0%
Heating fuel
Fuel type %
Utility gas 73.5%
Electricity 21.3%
Propane / LP gas 4.6%
Solar 0.1%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 5,610 58.7%
Cohabiting couple 449 4.7%
Male householder, no spouse 1,255 13.1%
Female householder, no spouse 2,238 23.4%
Households with children under 18 3,299 34.5%
Households with seniors (65+) 3,063 32.1%
Average household size 2.58
Marital status
Status Male Female
Never married 29.4% 22.6%
Married 60.8% 57.0%
Separated 1.0% 1.4%
Widowed 2.4% 10.7%
Divorced 6.4% 8.3%
Education
Some college, no degree
24.3%
Graduate / professional
14.3%
Metric %
HS diploma or higher 97.3%
Bachelor's or higher 39.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 320 4.4%
Kindergarten 415 5.8%
Elementary school 3,173 44.1%
High school 1,646 22.9%
College / grad school 1,645 22.9%
Employment
Industry of employment
Education & healthcare
28.7%
Professional & management
8.3%
Arts, food & hospitality
7.5%
Finance & real estate
5.9%
Public administration
3.2%
Transportation & utilities
2.6%
Agriculture & mining
1.3%
Occupation
Category %
Management, business & arts 49.5%
Service 16.7%
Sales & office 16.0%
Natural resources & construction 8.0%
Production & transportation 9.8%
Employment type
Type %
Private sector 82.6%
Government 13.7%
Self-employed 3.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 79.9%
Carpool 5.7%
Public transit 0.0%
Walk 2.1%
Work from home 11.7%
Other means 0.7%
Avg commute (minutes) 19.9
Poverty
Married-couple families
0.3%
Female-led households
22.4%
Income support
Source % of households
Social Security 33.0%
Retirement income 31.1%
Supplemental Security 2.7%
Cash public assistance 1.6%
Food stamps / SNAP 4.7%
Health indicators
Condition %
Obesity 31.9%
High blood pressure 29.7%
High cholesterol 30.8%
Diabetes 8.5%
Heart disease 5.7%
Stroke 2.6%
Asthma 9.3%
Arthritis 24.2%
Kidney disease 2.6%
Pulmonary disease 6.0%
Cancer 6.9%
Behavior / access %
Smoking 15.8%
Binge drinking 15.9%
No physical activity 21.3%
Less than 7 hrs sleep 30.4%
Depression 17.2%
Fair or poor health 11.3%
Poor mental health 12.1%
Poor physical health 8.5%
No health insurance 8.6%
Visited doctor (checkup) 76.6%
Visited dentist 68.4%
Cholesterol screening 90.4%
Teeth loss 11.0%
Veterans & disability
Veterans Count %
Civilian veterans 1,281 7.1%
Disability %
Any disability 9.3%
Under 18 2.7%
18–64 years 7.1%
65 and over 27.5%
Health insurance coverage
Type %
Private insurance 81.3%
Public insurance 26.3%
No insurance 6.0%
Uninsured under 19 6.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 23,483 95.0%
Spanish 84 0.4%
Other Indo-European 67 0.3%
Asian & Pacific Islander 10 0.0%
Other languages 7 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 24,238 98.1%
Born in same state 24,020 97.2%
Born in different state 19,821 80.2%
Foreign born 218 0.9%
Naturalized citizen 474 1.9%
Not a US citizen 316 66.7%
Ancestry
Ancestry Count %
French 3,737 15.1%
Italian 3,416 13.8%
Arab 1,399 5.7%
English 480 1.9%
Polish 330 1.3%
Ancestry Count %
Norwegian 136 0.6%
Irish 66 0.3%
Dutch 56 0.2%
German 24 0.1%
Technology access
Metric % of households
Computer access 38.7%
Internet access 94.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61571
What city is ZIP code 61571 in?
ZIP code 61571 is primarily assigned to Washington, Illinois.
What county is ZIP code 61571 in?
ZIP code 61571 falls within Tazewell County, Illinois.
Is ZIP code 61571 mostly owner-occupied?
81% of occupied units in ZIP code 61571 are owner-occupied, well above the national average.
What is the population of ZIP code 61571?
ZIP code 61571 has an estimated population of 24,712 residents, with a density of 462 people per square mile.
What is the typical home value in ZIP code 61571?
The median home value in ZIP code 61571 is $195,500.
What is the median household income in ZIP code 61571?
The median household income in ZIP code 61571 is $85,853, above the national median of ~$75,000.
What timezone is ZIP code 61571 in?
ZIP code 61571 observes the CST timezone.
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