Franklin County, IL ZIP Codes

Illinois (IL)  ·  16 ZIP codes  ·  16 cities
16
ZIP codes
37,442
population (2021)
-5.4%
pop change since 2010
17055
FIPS code
Franklin County ZIP code map
About Franklin County
Franklin County is located in Illinois and contains 16 ZIP codes across 16 cities and communities. The county's population was 37,442 as of 2021, a decrease of 5.4% from 39,561 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Franklin County is 17055.
Population
2021 population37,442
2010 population39,561
Change-5.4%
County details
StateIllinois
FIPS code17055
TimezoneMountain
Daylight savingYes
Cities in Franklin County
ZIP codes for Franklin County, IL (16)

Demographics & statistics

37,547
Population
43.0
Median age
$51,756
Median household income
$28,443
Per capita income
$86,415
Median home value
$751
Median monthly rent
78.5%
Home ownership
18.9%
Poverty rate
7.2%
Unemployment
14,289
Housing units
16.2%
Bachelor's or higher

Age distribution

Male Female
1,075
Under 5
1,055
1,084
5–9
1,064
1,231
10–14
1,208
1,150
15–19
1,128
1,016
20–24
998
2,109
25–34
2,069
2,248
35–44
2,206
2,554
45–54
2,506
1,451
55–59
1,424
1,183
60–64
1,161
2,176
65–74
2,136
1,241
75–84
1,218
432
85+
424
← Male
Female →

Age summary

GroupCount%
Under 188,23020.5%
18 and over29,31779.5%
65 and over7,62720.5%
Median age43.0 years

Race & ethnicity

White 93.9%
Two or more races 3.4%
Hispanic or Latino 1.7%
Black or African American 0.4%
Asian 0.3%
Other race 0.2%
American Indian / Alaska Native 0.1%
GroupCount%
White35,86093.9%
Two or more races1,3113.4%
Hispanic or Latino6441.7%
Black or African American1680.4%
Asian990.3%
Other race880.2%
American Indian / Alaska Native210.1%

Household income

Under $10k 8.1%
$10k–$15k 5.4%
$15k–$25k 10.6%
$25k–$35k 10.7%
$35k–$50k 14.9%
$50k–$75k 18.4%
$75k–$100k 12.8%
$100k–$150k 13.1%
$150k–$200k 3.4%
$200k+ 2.6%
Range% of households
Under $10k8.1%
$10k–$15k5.4%
$15k–$25k10.6%
$25k–$35k10.7%
$35k–$50k14.9%
$50k–$75k18.4%
$75k–$100k12.8%
$100k–$150k13.1%
$150k–$200k3.4%
$200k+2.6%
Median income$51,756

Housing

Home values

Under $50k 27.8%
$50k–$100k 32.2%
$100k–$150k 13.4%
$150k–$200k 10.9%
$200k–$300k 11.1%
$300k–$500k 3.6%
$500k–$1M 0.7%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$86,415
Median rent / month$751
Owner occupied78.5%
Renter occupied21.5%
Vacant12.0%
Single-family detached78.6%
Large apartment buildings1.1%
Mobile homes15.1%
Median rooms5.5
Avg household size (owned)2.29

Year built

Era%
2020 or later0.4%
2010–20193.8%
2000–20097.3%
1990–199911.8%
1980–198911.7%
1970–197913.0%
1960–19698.9%
1950–19598.8%
1940–19498.0%
1939 or earlier26.2%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom5.9%
2 bedrooms40.5%
3 bedrooms42.1%
4 bedrooms9.0%
5+ bedrooms1.8%

Vehicles per household

Vehicles% of households
No vehicle5.9%
1 vehicle29.9%
2 vehicles39.6%
3 or more24.7%

Heating fuel

Fuel type%
Utility gas34.5%
Electricity46.5%
Propane / LP gas14.3%
Fuel oil0.4%
Wood3.3%
No fuel used0.8%

Households & families

Household typeCount%
Married-couple family7,41345.9%
Cohabiting couple9836.7%
Male householder, no spouse3,34422.2%
Female householder, no spouse4,21625.3%
Households with children under 184,37724.5%
Households with seniors (65+)5,80635.7%
Average household size2.28

Marital status

StatusMaleFemale
Never married26.9%18.7%
Married51.9%50.3%
Separated2.4%1.9%
Widowed4.4%11.4%
Divorced14.4%17.6%

Education

Less than 9th grade 3.9%
Some HS, no diploma 7.5%
HS graduate 31.7%
Some college, no degree 26.8%
Associate's degree 13.9%
Bachelor's degree 11.9%
Graduate / professional 4.3%
Metric%
HS diploma or higher88.6%
Bachelor's or higher16.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4485.1%
Kindergarten3565.1%
Elementary school3,55247.5%
High school1,91820.7%
College / grad school1,40721.7%

Employment

Industry of employment

Education & healthcare 25.0%
Retail trade 14.3%
Manufacturing 13.1%
Agriculture & mining 7.6%
Arts, food & hospitality 7.1%
Transportation & utilities 6.9%
Construction 5.5%
Professional & management 5.3%
Public administration 4.5%
Finance & real estate 3.5%
Other services 3.1%
Wholesale trade 3.1%
Information 1.1%

Occupation

Category%
Management, business & arts26.2%
Service20.5%
Sales & office21.4%
Natural resources & construction11.7%
Production & transportation20.1%

Employment type

Type%
Private sector77.2%
Government16.4%
Self-employed6.0%
Unpaid family workers0.4%

Commute

Method%
Drive alone79.5%
Carpool10.2%
Public transit1.2%
Walk2.1%
Other means0.7%
Avg commute (minutes)28.1

Poverty

All people 18.9%
Under 18 years 26.9%
18 and over 16.8%
Married-couple families 9.2%
Female-led households 20.2%

Income support

Source% of households
Social Security38.0%
Retirement income28.6%
Supplemental Security7.0%
Cash public assistance3.4%
Food stamps / SNAP17.9%

Health indicators

Condition%
High blood pressure37.0%
High cholesterol34.9%
Heart disease7.9%
Stroke3.7%
Asthma10.3%
Arthritis30.2%
Kidney disease3.4%
Pulmonary disease9.1%
Cancer7.5%
Behavior / access%
Binge drinking14.5%
No physical activity27.2%
Less than 7 hrs sleep33.8%
Fair or poor health16.7%
Poor mental health13.6%
Poor physical health11.7%
No health insurance10.9%
Visited doctor (checkup)77.6%
Visited dentist61.2%
Cholesterol screening89.4%
Teeth loss16.6%

Veterans & disability

VeteransCount%
Civilian veterans2,6758.9%
Disability%
Any disability19.8%
Under 184.4%
18–64 years17.5%
65 and over42.5%

Health insurance coverage

Type%
Private insurance58.0%
Public insurance46.9%
Uninsured under 1913.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only35,41793.9%
Spanish1690.7%
Other Indo-European940.2%
Asian & Pacific Islander500.4%
Other languages250.1%

Place of birth & citizenship

OriginCount%
Native born (US)37,22998.6%
Born in same state37,11898.3%
Born in different state31,42981.7%
Foreign born1110.3%
Naturalized citizen3181.4%
Not a US citizen18142.6%

Ancestry

AncestryCount%
Italian4,59612.2%
French4,48912%
Arab3,2408.6%
English3811%
Polish1770.5%
AncestryCount%
Norwegian1630.4%
Irish1580.4%
German1050.3%
Dutch350.1%

Technology access

Metric% of households
Computer access43.8%
Internet access89.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

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