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Illinois ZIP Codes
Washington County
Okawville, IL
62271
62271 ZIP Code — Okawville, IL
Washington County, Illinois
ZIP code 62271 is located in
Okawville ,
Illinois ,
within Washington County .
It covers approximately 63.16 square miles and serves a population of
1,994 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 618 .
About ZIP code 62271
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $167,900. Owner-occupancy is high at 81%, well above the national average.
Median household income is $70,625. 38% 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 32 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
Overall, ZIP code 62271 reflects a community defined by high homeownership and a significant Social Security-dependent population.
62271 ZIP code map
View map of 62271
Cities in ZIP code 62271
Below are the cities the US Postal Service accepts for ZIP code 62271. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,994
Population density
32 / sq mi
State FIPS
17
County FIPS
189
Geography
Land area
63.16 sq mi
Water area
0.16 sq mi
Latitude
38.4319
Longitude
-89.5063
Timezone
Central (CT)
Area code
618
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.4%
38.1%
37.2%
$50k – $100k
30.6%
37.5%
29.6%
$100k – $200k
29.6%
22.4%
24.4%
Over $200k
2.4%
1.9%
8.8%
Demographics & statistics
$70,625
Median household income
$167,900
Median home value
27.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 441 22.1%
18 and over 1,553 77.9%
65 and over 521 26.1%
Median age 46.0 years
Race & ethnicity
Black or African American
0.7%
American Indian / Alaska Native
0.3%
Group Count %
White 1,919 95.8%
Two or more races 33 1.6%
Black or African American 14 0.7%
Asian 11 0.5%
Hispanic or Latino 10 0.5%
Other race 10 0.5%
American Indian / Alaska Native 7 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.4%
38.1%
37.2%
$50k – $100k
30.6%
37.5%
29.6%
$100k – $200k
29.6%
22.4%
24.4%
Over $200k
2.4%
1.9%
8.8%
Range % of households
Under $10k 6.5%
$10k–$15k 2.7%
$15k–$25k 15.6%
$25k–$35k 5.7%
$35k–$50k 7.3%
$50k–$75k 13.4%
$75k–$100k 13.1%
$100k–$150k 21.6%
$150k–$200k 10.9%
$200k+ 3.3%
Median income $70,625
Housing
Housing overview
Metric Value
Median home value $167,900
Median rent / month $717
Owner occupied 80.5%
Renter occupied 19.5%
Vacant 11.5%
Single-family detached 83.4%
Large apartment buildings 0.0%
Mobile homes 11.0%
Median rooms 6.0
Avg household size (owned) 2.32
Year built
Era %
2020 or later 0.0%
2010–2019 3.0%
2000–2009 11.1%
1990–1999 11.8%
1980–1989 8.0%
1970–1979 15.8%
1960–1969 7.6%
1950–1959 10.5%
1940–1949 2.9%
1939 or earlier 29.2%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.2%
2 bedrooms 33.7%
3 bedrooms 49.4%
4 bedrooms 12.0%
5+ bedrooms 2.7%
Vehicles per household
Vehicles % of households
No vehicle 3.6%
1 vehicle 24.5%
2 vehicles 40.6%
3 or more 31.2%
Heating fuel
Fuel type %
Utility gas 35.4%
Electricity 30.8%
Propane / LP gas 26.2%
Wood 3.9%
No fuel used 2.1%
Households & families
Household type Count %
Married-couple family 456 55.1%
Cohabiting couple 51 6.2%
Male householder, no spouse 150 18.1%
Female householder, no spouse 170 20.6%
Households with children under 18 223 27.0%
Households with seniors (65+) 349 42.2%
Average household size 2.41
Marital status
Status Male Female
Never married 22.7% 19.6%
Married 61.8% 57.0%
Separated 0.2% 0.0%
Widowed 2.0% 12.5%
Divorced 13.3% 11.0%
Education
Some college, no degree
14.4%
Graduate / professional
13.0%
Metric %
HS diploma or higher 86.9%
Bachelor's or higher 27.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 30 7.6%
Kindergarten 25 6.4%
Elementary school 186 47.3%
High school 105 26.7%
College / grad school 47 12.0%
Employment
Industry of employment
Education & healthcare
25.7%
Professional & management
9.2%
Agriculture & mining
8.0%
Public administration
6.3%
Arts, food & hospitality
6.0%
Finance & real estate
5.3%
Transportation & utilities
4.1%
Occupation
Category %
Management, business & arts 49.2%
Service 13.5%
Sales & office 10.3%
Natural resources & construction 12.4%
Production & transportation 14.6%
Employment type
Type %
Private sector 70.5%
Government 19.6%
Self-employed 7.5%
Unpaid family workers 2.3%
Commute
Method %
Drive alone 76.2%
Carpool 8.5%
Public transit 0.0%
Walk 4.4%
Work from home 11.0%
Other means 0.0%
Avg commute (minutes) 31.8
Poverty
Married-couple families
7.0%
Female-led households
43.2%
Income support
Source % of households
Social Security 38.2%
Retirement income 24.3%
Supplemental Security 1.9%
Cash public assistance 0.5%
Food stamps / SNAP 13.8%
Health indicators
Condition %
Obesity 32.9%
High blood pressure 31.6%
High cholesterol 33.5%
Diabetes 8.8%
Heart disease 6.0%
Stroke 2.7%
Asthma 9.2%
Arthritis 25.7%
Kidney disease 2.6%
Pulmonary disease 6.3%
Cancer 7.2%
Behavior / access %
Smoking 16.5%
Binge drinking 16.0%
No physical activity 21.6%
Less than 7 hrs sleep 31.0%
Depression 17.2%
Fair or poor health 11.6%
Poor mental health 12.2%
Poor physical health 8.8%
No health insurance 9.1%
Visited doctor (checkup) 75.8%
Visited dentist 68.9%
Cholesterol screening 90.7%
Teeth loss 11.7%
Veterans & disability
Veterans Count %
Civilian veterans 122 7.9%
Disability %
Any disability 11.4%
Under 18 0.0%
18–64 years 7.4%
65 and over 28.8%
Health insurance coverage
Type %
Private insurance 71.8%
Public insurance 43.7%
No insurance 1.8%
Uninsured under 19 0.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,875 94.0%
Spanish 2 0.1%
Other Indo-European 2 0.1%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,979 99.2%
Born in same state 1,957 98.1%
Born in different state 1,642 82.3%
Foreign born 22 1.1%
Naturalized citizen 15 0.8%
Not a US citizen 3 20.0%
Ancestry
Ancestry Count %
Italian 331 16.6%
French 116 5.8%
Arab 91 4.6%
Ancestry Count %
English 17 0.9%
Dutch 1 0.1%
Technology access
Metric % of households
Computer access 41.5%
Internet access 84.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 62271
What city is ZIP code 62271 in?
ZIP code 62271 is primarily assigned to Okawville, Illinois.
What county is ZIP code 62271 in?
ZIP code 62271 falls within Washington County, Illinois.
Does ZIP code 62271 have an older population?
26% of residents in ZIP code 62271 are 65 or older, above the national average of ~17%.
Is ZIP code 62271 mostly owner-occupied?
81% of occupied units in ZIP code 62271 are owner-occupied, well above the national average.
Does ZIP code 62271 have a large retiree population?
38% of households in ZIP code 62271 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 62271?
The median home value in ZIP code 62271 is $167,900.
What timezone is ZIP code 62271 in?
ZIP code 62271 observes the CST timezone.
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