Randolph County, IL ZIP Codes
Illinois (IL) · 15 ZIP codes · 15 cities
15
ZIP codes
30,142
population (2021)
-10.0%
pop change since 2010
17157
FIPS code
Randolph County ZIP code map
About Randolph County
Randolph County is located in Illinois and contains 15 ZIP codes across 15 cities and communities.
The county's population was 30,142 as of 2021,
a decrease of
10% from 33,476 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Randolph County is 17157.
| Population | |
|---|---|
| 2021 population | 30,142 |
| 2010 population | 33,476 |
| Change | -10.0% |
| County details | |
|---|---|
| State | Illinois |
| FIPS code | 17157 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Randolph County
Baldwin
Chester
Coulterville
Ellis Grove
Evansville
Menard
Modoc
Percy
Prairie Du Rocher
Red Bud
Rockwood
Sparta
Steeleville
Tilden
Walsh
ZIP codes for Randolph County, IL (15)
| ZIP code | City | County | Map |
|---|---|---|---|
| 62217 | Baldwin | Randolph | View map |
| 62233 | Chester | Randolph | View map |
| 62237 | Coulterville | Randolph | View map |
| 62241 | Ellis Grove | Randolph | View map |
| 62242 | Evansville | Randolph | View map |
| 62259 | Menard | Randolph | View map |
| 62261 | Modoc | Randolph | View map |
| 62272 | Percy | Randolph | View map |
| 62277 | Prairie Du Rocher | Randolph | View map |
| 62278 | Red Bud | Randolph | View map |
| 62280 | Rockwood | Randolph | View map |
| 62286 | Sparta | Randolph | View map |
| 62288 | Steeleville | Randolph | View map |
| 62292 | Tilden | Randolph | View map |
| 62297 | Walsh | Randolph | View map |
Demographics & statistics
32,362
Population
43.6
Median age
$66,498
Median household income
$31,320
Per capita income
$138,700
Median home value
$564
Median monthly rent
83.6%
Home ownership
11.0%
Poverty rate
5.5%
Unemployment
11,602
Housing units
12.3%
Bachelor's or higher
Age distribution
Male
Female
790
Under 5
739
868
5–9
813
1,027
10–14
962
1,009
15–19
944
956
20–24
895
1,903
25–34
1,781
2,044
35–44
1,913
2,029
45–54
1,900
1,194
55–59
1,118
1,316
60–64
1,232
1,981
65–74
1,854
1,126
75–84
1,055
472
85+
441
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,398 | 19.7% |
| 18 and over | 25,964 | 80.3% |
| 65 and over | 6,929 | 29.8% |
| Median age | 43.6 years | |
Race & ethnicity
White
86.6%
Black or African American
7.3%
Two or more races
2.1%
Hispanic or Latino
2%
Other race
1.3%
Asian
0.6%
American Indian / Alaska Native
0.1%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 28,598 | 86.6% |
| Black or African American | 2,396 | 7.3% |
| Two or more races | 693 | 2.1% |
| Hispanic or Latino | 650 | 2% |
| Other race | 424 | 1.3% |
| Asian | 210 | 0.6% |
| American Indian / Alaska Native | 24 | 0.1% |
| Native Hawaiian / Pacific Islander | 17 | 0.1% |
Household income
Under $10k
3.1%
$10k–$15k
3.7%
$15k–$25k
7.4%
$25k–$35k
15.9%
$35k–$50k
13.2%
$50k–$75k
17.6%
$75k–$100k
14.0%
$100k–$150k
15.5%
$150k–$200k
6.2%
$200k+
3.5%
| Range | % of households |
|---|---|
| Under $10k | 3.1% |
| $10k–$15k | 3.7% |
| $15k–$25k | 7.4% |
| $25k–$35k | 15.9% |
| $35k–$50k | 13.2% |
| $50k–$75k | 17.6% |
| $75k–$100k | 14.0% |
| $100k–$150k | 15.5% |
| $150k–$200k | 6.2% |
| $200k+ | 3.5% |
| Median income | $66,498 |
Housing
Home values
Under $50k
12.1%
$50k–$100k
27.8%
$100k–$150k
18.6%
$150k–$200k
11.3%
$200k–$300k
16.8%
$300k–$500k
9.0%
$500k–$1M
4.1%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $138,700 |
| Median rent / month | $564 |
| Owner occupied | 83.6% |
| Renter occupied | 16.4% |
| Vacant | 18.6% |
| Single-family detached | 76.7% |
| Large apartment buildings | 1.0% |
| Mobile homes | 17.2% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.20 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 5.2% |
| 2000–2009 | 11.2% |
| 1990–1999 | 12.5% |
| 1980–1989 | 13.7% |
| 1970–1979 | 15.5% |
| 1960–1969 | 8.3% |
| 1950–1959 | 10.0% |
| 1940–1949 | 6.9% |
| 1939 or earlier | 16.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.7% |
| 1 bedroom | 5.4% |
| 2 bedrooms | 30.7% |
| 3 bedrooms | 48.1% |
| 4 bedrooms | 13.0% |
| 5+ bedrooms | 2.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.9% |
| 1 vehicle | 21.3% |
| 2 vehicles | 42.0% |
| 3 or more | 32.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 36.5% |
| Electricity | 34.0% |
| Propane / LP gas | 24.7% |
| Fuel oil | 0.5% |
| Wood | 3.7% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 6,125 | 49.4% |
| Cohabiting couple | 784 | 5.1% |
| Male householder, no spouse | 2,551 | 28.1% |
| Female householder, no spouse | 3,031 | 17.4% |
| Households with children under 18 | 3,318 | 24.4% |
| Households with seniors (65+) | 4,640 | 43.5% |
| Average household size | 2.18 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 28.8% | 17.2% |
| Married | 49.8% | 54.3% |
| Separated | 1.5% | 1.5% |
| Widowed | 2.6% | 9.8% |
| Divorced | 17.4% | 9.6% |
Education
Less than 9th grade
2.8%
Some HS, no diploma
6.6%
HS graduate
44.8%
Some college, no degree
25.2%
Associate's degree
8.3%
Bachelor's degree
8.1%
Graduate / professional
4.2%
| Metric | % |
|---|---|
| HS diploma or higher | 90.6% |
| Bachelor's or higher | 12.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 489 | 7.7% |
| Kindergarten | 409 | 5.0% |
| Elementary school | 2,755 | 39.1% |
| High school | 1,624 | 31.0% |
| College / grad school | 860 | 9.5% |
Employment
Industry of employment
Education & healthcare
19.1%
Manufacturing
15.5%
Professional & management
11.2%
Construction
10.7%
Retail trade
9.2%
Public administration
8.0%
Transportation & utilities
5.9%
Other services
5.8%
Arts, food & hospitality
5.1%
Agriculture & mining
4.7%
Finance & real estate
2.6%
Wholesale trade
1.5%
Information
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 25.4% |
| Service | 18.5% |
| Sales & office | 17.0% |
| Natural resources & construction | 12.7% |
| Production & transportation | 26.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 75.8% |
| Government | 18.4% |
| Self-employed | 5.7% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 86.7% |
| Carpool | 5.3% |
| Public transit | 0.0% |
| Walk | 1.6% |
| Other means | 0.9% |
| Avg commute (minutes) | 24.1 |
Poverty
All people
11.0%
Under 18 years
20.4%
18 and over
9.0%
Married-couple families
3.8%
Female-led households
20.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 47.4% |
| Retirement income | 29.0% |
| Supplemental Security | 4.3% |
| Cash public assistance | 1.8% |
| Food stamps / SNAP | 9.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 36.1% |
| High cholesterol | 35.1% |
| Heart disease | 7.3% |
| Stroke | 3.4% |
| Asthma | 9.9% |
| Arthritis | 29.1% |
| Kidney disease | 3.1% |
| Pulmonary disease | 8.2% |
| Cancer | 7.3% |
| Behavior / access | % |
|---|---|
| Binge drinking | 14.9% |
| No physical activity | 27.2% |
| Less than 7 hrs sleep | 32.8% |
| Fair or poor health | 15.7% |
| Poor mental health | 13.2% |
| Poor physical health | 10.9% |
| No health insurance | 11.4% |
| Visited doctor (checkup) | 76.8% |
| Visited dentist | 61.7% |
| Cholesterol screening | 89.5% |
| Teeth loss | 15.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,326 | 17.0% |
| Disability | % |
|---|---|
| Any disability | 19.3% |
| Under 18 | 7.9% |
| 18–64 years | 15.1% |
| 65 and over | 37.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.8% |
| Public insurance | 47.7% |
| Uninsured under 19 | 1.7% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30,833 | 94.9% |
| Spanish | 308 | 0.7% |
| Other Indo-European | 205 | 0.3% |
| Asian & Pacific Islander | 53 | 0.2% |
| Other languages | 2 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 31,712 | 98.6% |
| Born in same state | 31,617 | 98.4% |
| Born in different state | 24,965 | 81.9% |
| Foreign born | 95 | 0.2% |
| Naturalized citizen | 650 | 1.4% |
| Not a US citizen | 138 | 16.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,298 | 10.2% |
| French | 2,679 | 8.3% |
| Arab | 1,923 | 5.9% |
| English | 191 | 0.6% |
| Polish | 88 | 0.3% |
| Ancestry | Count | % |
|---|---|---|
| German | 57 | 0.2% |
| Irish | 45 | 0.1% |
| Norwegian | 43 | 0.1% |
| Dutch | 16 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 45.7% |
| Internet access | 79.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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