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Illinois ZIP Codes
Warren County
Kirkwood, IL
61447
61447 ZIP Code — Kirkwood, IL
Warren County, Illinois
ZIP code 61447 is located in
Kirkwood ,
Illinois ,
within Warren County .
It covers approximately 42.33 square miles and serves a population of
1,133 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 309 .
About ZIP code 61447
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 $96,100. Owner-occupancy is high at 88%, well above the national average.
The gap between median ($85,750) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 61447
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,133
Population density
27 / sq mi
State FIPS
17
County FIPS
187
Geography
Land area
42.33 sq mi
Water area
0.08 sq mi
Latitude
40.8607
Longitude
-90.7302
Timezone
Central (CT)
Area code
309
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
44.2%
37.2%
$50k – $100k
22.6%
36.3%
29.6%
$100k – $200k
29.2%
16.3%
24.4%
Over $200k
13.0%
3.2%
8.8%
Demographics & statistics
$85,750
Median household income
31.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 289 25.5%
18 and over 844 74.5%
65 and over 173 15.3%
Median age 40.2 years
Race & ethnicity
Group Count %
White 1,119 97.9%
Two or more races 14 1.2%
Hispanic or Latino 10 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
44.2%
37.2%
$50k – $100k
22.6%
36.3%
29.6%
$100k – $200k
29.2%
16.3%
24.4%
Over $200k
13.0%
3.2%
8.8%
Range % of households
Under $10k 3.3%
$10k–$15k 4.6%
$15k–$25k 5.7%
$25k–$35k 4.6%
$35k–$50k 11.8%
$50k–$75k 14.0%
$75k–$100k 12.9%
$100k–$150k 27.2%
$150k–$200k 6.8%
$200k+ 9.0%
Median income $85,750
Housing
Housing overview
Metric Value
Median home value $96,100
Median rent / month $713
Owner occupied 88.2%
Renter occupied 11.8%
Vacant 11.3%
Single-family detached 92.4%
Large apartment buildings 0.0%
Mobile homes 2.5%
Median rooms 6.4
Avg household size (owned) 2.56
Year built
Era %
2020 or later 0.4%
2010–2019 1.2%
2000–2009 1.0%
1990–1999 7.4%
1980–1989 6.4%
1970–1979 25.9%
1960–1969 5.6%
1950–1959 8.0%
1940–1949 4.7%
1939 or earlier 39.5%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.5%
2 bedrooms 17.3%
3 bedrooms 48.2%
4 bedrooms 27.4%
5+ bedrooms 3.5%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 25.2%
2 vehicles 51.3%
3 or more 23.5%
Heating fuel
Fuel type %
Utility gas 47.4%
Electricity 11.6%
Propane / LP gas 34.9%
Fuel oil 0.7%
Wood 5.5%
Households & families
Household type Count %
Married-couple family 294 64.5%
Cohabiting couple 33 7.2%
Male householder, no spouse 56 12.3%
Female householder, no spouse 73 16.0%
Households with children under 18 167 36.6%
Households with seniors (65+) 120 26.3%
Average household size 2.48
Marital status
Status Male Female
Never married 26.5% 13.5%
Married 61.0% 68.8%
Separated 0.6% 0.7%
Widowed 0.4% 7.2%
Divorced 11.6% 9.7%
Education
Some college, no degree
24.4%
Graduate / professional
12.7%
Metric %
HS diploma or higher 93.5%
Bachelor's or higher 31.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 59 19.7%
Kindergarten 12 4.0%
Elementary school 107 35.8%
High school 100 33.4%
College / grad school 21 7.0%
Employment
Industry of employment
Education & healthcare
23.7%
Public administration
9.8%
Finance & real estate
8.5%
Agriculture & mining
5.8%
Professional & management
4.3%
Transportation & utilities
4.2%
Arts, food & hospitality
1.7%
Occupation
Category %
Management, business & arts 33.9%
Service 13.2%
Sales & office 24.9%
Natural resources & construction 8.5%
Production & transportation 19.5%
Employment type
Type %
Private sector 81.5%
Government 12.9%
Self-employed 5.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 80.4%
Carpool 6.5%
Public transit 0.0%
Walk 0.0%
Work from home 12.7%
Other means 0.3%
Avg commute (minutes) 21.7
Poverty
Married-couple families
3.1%
Female-led households
16.7%
Income support
Source % of households
Social Security 25.7%
Retirement income 20.2%
Supplemental Security 1.3%
Cash public assistance 0.0%
Food stamps / SNAP 8.1%
Health indicators
Condition %
Obesity 35.0%
High blood pressure 33.2%
High cholesterol 34.5%
Diabetes 9.8%
Heart disease 6.5%
Stroke 3.0%
Asthma 9.6%
Arthritis 27.4%
Kidney disease 2.8%
Pulmonary disease 7.3%
Cancer 7.1%
Behavior / access %
Smoking 18.6%
Binge drinking 15.5%
No physical activity 23.8%
Less than 7 hrs sleep 31.4%
Depression 18.0%
Fair or poor health 13.6%
Poor mental health 12.7%
Poor physical health 9.9%
No health insurance 9.9%
Visited doctor (checkup) 76.5%
Visited dentist 64.5%
Cholesterol screening 90.5%
Teeth loss 13.2%
Veterans & disability
Veterans Count %
Civilian veterans 55 6.5%
Disability %
Any disability 8.6%
Under 18 3.8%
18–64 years 5.2%
65 and over 29.5%
Health insurance coverage
Type %
Private insurance 77.4%
Public insurance 32.1%
No insurance 3.6%
Uninsured under 19 2.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,078 95.1%
Spanish 10 0.9%
Other Indo-European 10 0.9%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,123 99.1%
Born in same state 1,123 99.1%
Born in different state 830 73.3%
Foreign born 0 0.0%
Naturalized citizen 10 0.9%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 174 15.4%
Arab 125 11%
French 102 9%
Ancestry Count %
Polish 28 2.5%
Dutch 16 1.4%
Technology access
Metric % of households
Computer access 40.2%
Internet access 93.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61447
What city is ZIP code 61447 in?
ZIP code 61447 is primarily assigned to Kirkwood, Illinois.
What county is ZIP code 61447 in?
ZIP code 61447 falls within Warren County, Illinois.
Is ZIP code 61447 mostly owner-occupied?
88% of occupied units in ZIP code 61447 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 61447?
The median home value in ZIP code 61447 is $96,100.
What is the population of ZIP code 61447?
ZIP code 61447 has an estimated population of 1,133 residents, with a density of 27 people per square mile.
What is the median household income in ZIP code 61447?
The median household income in ZIP code 61447 is $85,750, above the national median of ~$75,000.
What timezone is ZIP code 61447 in?
ZIP code 61447 observes the CST timezone.
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