Mason County, IL ZIP Codes

Illinois (IL)  ·  9 ZIP codes  ·  9 cities
9
ZIP codes
12,881
population (2021)
-12.2%
pop change since 2010
17125
FIPS code
Mason County ZIP code map
About Mason County
Mason County is located in Illinois and contains 9 ZIP codes across 9 cities and communities. The county's population was 12,881 as of 2021, a decrease of 12.2% from 14,666 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Mason County is 17125.
Population
2021 population12,881
2010 population14,666
Change-12.2%
County details
StateIllinois
FIPS code17125
TimezoneMountain
Daylight savingYes
Cities in Mason County
ZIP codes for Mason County, IL (9)

Demographics & statistics

14,887
Population
45.4
Median age
$62,519
Median household income
$34,534
Per capita income
$97,367
Median home value
$781
Median monthly rent
82.3%
Home ownership
12.9%
Poverty rate
7.5%
Unemployment
6,375
Housing units
14.2%
Bachelor's or higher

Age distribution

Male Female
365
Under 5
369
427
5–9
432
462
10–14
468
446
15–19
452
339
20–24
343
781
25–34
790
853
35–44
863
953
45–54
963
598
55–59
605
538
60–64
544
939
65–74
950
516
75–84
521
184
85+
186
← Male
Female →

Age summary

GroupCount%
Under 183,13120.0%
18 and over11,75680.0%
65 and over3,29619.5%
Median age45.4 years

Race & ethnicity

White 94.8%
Two or more races 3%
Hispanic or Latino 1%
Black or African American 0.4%
Asian 0.4%
Other race 0.3%
American Indian / Alaska Native 0.1%
GroupCount%
White14,24894.8%
Two or more races4513%
Hispanic or Latino1451%
Black or African American650.4%
Asian640.4%
Other race510.3%
American Indian / Alaska Native80.1%

Household income

Under $10k 2.6%
$10k–$15k 4.8%
$15k–$25k 9.2%
$25k–$35k 11.8%
$35k–$50k 13.4%
$50k–$75k 23.3%
$75k–$100k 12.3%
$100k–$150k 14.1%
$150k–$200k 4.2%
$200k+ 4.3%
Range% of households
Under $10k2.6%
$10k–$15k4.8%
$15k–$25k9.2%
$25k–$35k11.8%
$35k–$50k13.4%
$50k–$75k23.3%
$75k–$100k12.3%
$100k–$150k14.1%
$150k–$200k4.2%
$200k+4.3%
Median income$62,519

Housing

Home values

Under $50k 18.6%
$50k–$100k 33.7%
$100k–$150k 21.4%
$150k–$200k 12.0%
$200k–$300k 8.9%
$300k–$500k 4.9%
$500k–$1M 0.4%

Housing overview

MetricValue
Median home value$97,367
Median rent / month$781
Owner occupied82.3%
Renter occupied17.7%
Vacant13.9%
Single-family detached91.0%
Large apartment buildings0.1%
Mobile homes6.3%
Median rooms5.9
Avg household size (owned)2.27

Year built

Era%
2020 or later0.0%
2010–20192.8%
2000–20097.5%
1990–19996.8%
1980–19895.2%
1970–197919.3%
1960–196911.9%
1950–195913.4%
1940–19494.6%
1939 or earlier28.4%

Bedrooms

Size% of units
No bedroom (studio)1.2%
1 bedroom8.1%
2 bedrooms28.4%
3 bedrooms40.5%
4 bedrooms17.8%
5+ bedrooms3.9%

Vehicles per household

Vehicles% of households
No vehicle2.7%
1 vehicle28.4%
2 vehicles39.8%
3 or more29.1%

Heating fuel

Fuel type%
Utility gas46.0%
Electricity18.4%
Propane / LP gas31.5%
Fuel oil0.7%
Wood1.5%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family3,13048.7%
Cohabiting couple6187.4%
Male householder, no spouse1,39421.0%
Female householder, no spouse1,39422.9%
Households with children under 181,65023.8%
Households with seniors (65+)2,34932.5%
Average household size2.25

Marital status

StatusMaleFemale
Never married27.3%19.5%
Married53.0%54.5%
Separated1.4%0.7%
Widowed5.7%12.5%
Divorced12.7%12.9%

Education

Less than 9th grade 2.5%
Some HS, no diploma 5.8%
HS graduate 42.3%
Some college, no degree 22.4%
Associate's degree 12.9%
Bachelor's degree 10.4%
Graduate / professional 3.8%
Metric%
HS diploma or higher91.8%
Bachelor's or higher14.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2208.9%
Kindergarten912.6%
Elementary school1,51249.1%
High school76026.1%
College / grad school39013.3%

Employment

Industry of employment

Education & healthcare 19.3%
Retail trade 12.0%
Agriculture & mining 11.8%
Construction 9.2%
Manufacturing 9.0%
Arts, food & hospitality 7.6%
Finance & real estate 7.5%
Transportation & utilities 6.2%
Public administration 4.8%
Other services 4.3%
Professional & management 4.3%
Wholesale trade 3.4%
Information 0.5%

Occupation

Category%
Management, business & arts30.9%
Service19.1%
Sales & office19.0%
Natural resources & construction16.0%
Production & transportation14.9%

Employment type

Type%
Private sector77.4%
Government12.6%
Self-employed9.9%
Unpaid family workers0.2%

Commute

Method%
Drive alone77.3%
Carpool11.2%
Public transit0.1%
Walk1.6%
Other means1.2%
Avg commute (minutes)31.8

Poverty

All people 12.9%
Under 18 years 16.8%
18 and over 11.7%
Married-couple families 4.3%
Female-led households 38.7%

Income support

Source% of households
Social Security40.4%
Retirement income33.1%
Supplemental Security3.7%
Cash public assistance2.5%
Food stamps / SNAP13.0%

Health indicators

Condition%
High blood pressure36.7%
High cholesterol35.6%
Heart disease7.8%
Stroke3.6%
Asthma9.9%
Arthritis30.2%
Kidney disease3.3%
Pulmonary disease8.6%
Cancer7.6%
Behavior / access%
Binge drinking14.8%
No physical activity26.8%
Less than 7 hrs sleep31.6%
Fair or poor health16.0%
Poor mental health13.0%
Poor physical health11.2%
No health insurance10.8%
Visited doctor (checkup)77.6%
Visited dentist62.0%
Cholesterol screening90.1%
Teeth loss15.9%

Veterans & disability

VeteransCount%
Civilian veterans9698.1%
Disability%
Any disability16.6%
Under 184.5%
18–64 years13.5%
65 and over38.7%

Health insurance coverage

Type%
Private insurance67.5%
Public insurance44.7%
Uninsured under 191.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only14,15395.6%
Spanish600.4%
Other Indo-European450.3%
Asian & Pacific Islander00.0%
Other languages150.0%

Place of birth & citizenship

OriginCount%
Native born (US)14,78499.4%
Born in same state14,76599.3%
Born in different state13,07588.2%
Foreign born190.1%
Naturalized citizen1030.6%
Not a US citizen8760.1%

Ancestry

AncestryCount%
Italian2,04513.7%
French1,96613.2%
Arab1,0887.3%
English2091.4%
Polish1190.8%
AncestryCount%
Irish360.2%
German270.2%
Dutch120.1%
Norwegian110.1%

Technology access

Metric% of households
Computer access44.8%
Internet access91.2%

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

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