62539 ZIP Code — Illiopolis, IL

Sangamon County, Illinois

ZIP code 62539 is located in Illiopolis, Illinois, within Sangamon County. It covers approximately 46.36 square miles and serves a population of 1,151 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 62539

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 $97,000. Owner-occupancy is high at 83%, well above the national average.

Median household income is $83,542. 39% 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 24 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 62539 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,151

population

46.36

sq mi land

Standard

ZIP type

Central (CT)

timezone

62539 ZIP code map

Cities in ZIP code 62539

Below are the cities the US Postal Service accepts for ZIP code 62539. Using any city not on this list may result in mail delivery delays.

City	Status
Illiopolis	Preferred

Nearby ZIP codes

62551 Niantic (4.3 mi) 62547 Mount Auburn (5.2 mi) 62515 Buffalo (7 mi) 62545 Mechanicsburg (8.8 mi) 62548 Mount Pulaski (9.1 mi) 62543 Latham (9.1 mi) 62520 Dawson (10.4 mi) 62513 Blue Mound (10.8 mi) 62522 Decatur (11.4 mi) 62573 Warrensburg (12.4 mi) 62561 Riverton (13.4 mi) 62531 Edinburg (13.8 mi)

Demographics updated 05/2026

Population
Total population	1,151
Population density	25 / sq mi
State FIPS	17
County FIPS	167

Geography
Land area	46.36 sq mi
Water area	0.00 sq mi
Latitude	39.8508
Longitude	-89.2600
Timezone	Central (CT)
Area code	217

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.2%	41.0%	37.2%
$50k – $100k	34.2%	30.8%	29.6%
$100k – $200k	22.8%	22.7%	24.4%
Over $200k	0.8%	5.5%	8.8%

Demographics & statistics

1,151

Population

People per sq mi

42.4

Median age

$83,542

Median household income

$34,396

Per capita income

$97,000

Median home value

$698

Median monthly rent

83.2%

Home ownership

9.3%

Poverty rate

4.1%

Unemployment

442

Housing units

20.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	279	24.2%
18 and over	872	75.8%
65 and over	261	22.7%
Median age	42.4 years

Race & ethnicity

White 96.4%

Two or more races 2.8%

Black or African American 0.3%

Hispanic or Latino 0.3%

Asian 0.3%

Group	Count	%
White	1,112	96.4%
Two or more races	32	2.8%
Black or African American	4	0.3%
Hispanic or Latino	3	0.3%
Asian	3	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.2%	41.0%	37.2%
$50k – $100k	34.2%	30.8%	29.6%
$100k – $200k	22.8%	22.7%	24.4%
Over $200k	0.8%	5.5%	8.8%

Under $10k 3.6%

$10k–$15k 10.3%

$15k–$25k 5.5%

$25k–$35k 5.9%

$35k–$50k 10.7%

$50k–$75k 9.5%

$75k–$100k 17.9%

$100k–$150k 26.9%

$150k–$200k 5.3%

$200k+ 4.6%

Range	% of households
Under $10k	3.6%
$10k–$15k	10.3%
$15k–$25k	5.5%
$25k–$35k	5.9%
$35k–$50k	10.7%
$50k–$75k	9.5%
$75k–$100k	17.9%
$100k–$150k	26.9%
$150k–$200k	5.3%
$200k+	4.6%
Median income	$83,542

Housing

Home values

Under $50k 16.2%

$50k–$100k 36.4%

$100k–$150k 16.4%

$150k–$200k 14.1%

$200k–$300k 10.9%

$300k–$500k 4.0%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$97,000
Median rent / month	$698
Owner occupied	83.2%
Renter occupied	16.8%
Vacant	8.8%
Single-family detached	80.7%
Large apartment buildings	0.0%
Mobile homes	10.2%
Median rooms	6.2
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.0%
2010–2019	0.4%
2000–2009	2.9%
1990–1999	8.6%
1980–1989	5.7%
1970–1979	23.4%
1960–1969	5.4%
1950–1959	12.3%
1940–1949	16.9%
1939 or earlier	24.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	11.7%
2 bedrooms	16.5%
3 bedrooms	48.1%
4 bedrooms	19.7%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	27.9%
2 vehicles	34.7%
3 or more	34.0%

Heating fuel

Fuel type	%
Utility gas	68.9%
Electricity	10.5%
Propane / LP gas	20.6%

Households & families

Household type	Count	%
Married-couple family	283	59.5%
Cohabiting couple	14	2.9%
Male householder, no spouse	68	14.3%
Female householder, no spouse	111	23.3%
Households with children under 18	133	27.9%
Households with seniors (65+)	190	39.9%
Average household size	2.42

Marital status

Status	Male	Female
Never married	18.5%	14.3%
Married	69.2%	62.4%
Separated	0.5%	0.4%
Widowed	4.8%	7.9%
Divorced	7.1%	15.0%

Education

Less than 9th grade 1.8%

Some HS, no diploma 3.5%

HS graduate 50.2%

Some college, no degree 14.6%

Associate's degree 9.9%

Bachelor's degree 15.2%

Graduate / professional 4.7%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	20.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	31	13.4%
Kindergarten	22	9.5%
Elementary school	105	45.5%
High school	45	19.5%
College / grad school	28	12.1%

Employment

Industry of employment

Education & healthcare 16.9%

Manufacturing 15.8%

Retail trade 11.4%

Agriculture & mining 9.2%

Finance & real estate 8.4%

Arts, food & hospitality 8.3%

Other services 6.2%

Public administration 5.8%

Construction 4.3%

Wholesale trade 4.1%

Transportation & utilities 4.1%

Professional & management 3.4%

Information 2.1%

Occupation

Category	%
Management, business & arts	35.6%
Service	15.6%
Sales & office	21.2%
Natural resources & construction	8.1%
Production & transportation	19.5%

Employment type

Type	%
Private sector	78.4%
Government	14.8%
Self-employed	6.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.0%
Carpool	3.1%
Public transit	0.0%
Walk	5.0%
Work from home	5.0%
Other means	1.0%
Avg commute (minutes)	23.5

Poverty

All people 9.3%

Under 18 years 7.9%

18 and over 9.7%

Married-couple families 2.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	38.7%
Retirement income	33.4%
Supplemental Security	9.2%
Cash public assistance	1.5%
Food stamps / SNAP	14.1%

Health indicators

Condition	%
Obesity	34.2%
High blood pressure	33.3%
High cholesterol	32.7%
Diabetes	9.4%
Heart disease	6.0%
Stroke	2.8%
Asthma	9.5%
Arthritis	25.9%
Kidney disease	2.6%
Pulmonary disease	6.9%
Cancer	6.7%

Behavior / access	%
Smoking	19.0%
Binge drinking	16.0%
No physical activity	23.6%
Less than 7 hrs sleep	28.8%
Depression	17.2%
Fair or poor health	13.1%
Poor mental health	12.8%
Poor physical health	9.6%
No health insurance	10.3%
Visited doctor (checkup)	75.6%
Visited dentist	65.3%
Cholesterol screening	89.7%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	100	11.5%

Disability	%
Any disability	18.8%
Under 18	12.5%
18–64 years	10.8%
65 and over	44.1%

Health insurance coverage

Type	%
Private insurance	79.8%
Public insurance	33.9%
No insurance	2.7%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,047	91.0%
Spanish	5	0.5%
Other Indo-European	0	0.0%
Asian & Pacific Islander	5	0.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,145	99.5%
Born in same state	1,144	99.4%
Born in different state	1,000	86.9%
Foreign born	1	0.1%
Naturalized citizen	6	0.5%
Not a US citizen	2	33.3%

Ancestry

Ancestry	Count	%
French	175	15.2%
Italian	126	10.9%
Arab	54	4.7%

Ancestry	Count	%
English	16	1.4%
Irish	2	0.2%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	95.2%

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

Frequently asked questions about ZIP code 62539

What city is ZIP code 62539 in?

ZIP code 62539 is primarily assigned to Illiopolis, Illinois.

What county is ZIP code 62539 in?

ZIP code 62539 falls within Sangamon County, Illinois.

Is ZIP code 62539 mostly owner-occupied?

83% of occupied units in ZIP code 62539 are owner-occupied, well above the national average.

Does ZIP code 62539 have a large retiree population?

39% of households in ZIP code 62539 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 62539 have a large veteran population?

12% of civilians in ZIP code 62539 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 62539?

The median home value in ZIP code 62539 is $97,000.

What timezone is ZIP code 62539 in?

ZIP code 62539 observes the CST timezone.