City

Illiopolis, IL

1 ZIP code  ·  Sangamon County  ·  Illinois

👥1,342Population
💰$88,583Median HH Income▲ 16% above avg
🎂40.0Median Age
🏠$108,300Median Home Value▼ 61% below avg
🎓41.7%College Grads▲ 8% above avg
📊4.1%Unemployment▼ 17% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 51.6% Female 48.4% ♀

Race & Ethnicity

White: 95.6%Hispanic: 0.5%Black: 1.4%Asian: 0.4%Other: 2.2%Race
White95.6%
Hispanic0.5%
Black1.4%
Asian0.4%
Other2.2%

Age Breakdown

Under 5
11%
5–17
16%
18–24
3%
25–44
25%
45–64
24%
65+
6%

Key Indicators

Median Age40.0 yrs
Avg HH Size2.51
Below Poverty6.2% ▼ 38% below avg
College Grads41.7% ▲ 8% above avg
Unemployment4.1% ▼ 17% below avg
No HS Diploma19 (2.1%)
HS Graduate348 (39.3%)
Some College72 (8.1%)
Associates78 (8.8%)
Bachelors101 (11.4%)
Graduate Degree268 (30.2%)

Education

No HS: 2.1%HS Grad: 39.3%Some College: 8.1%Associates: 8.8%Bachelors: 11.4%Graduate: 30.2%Edu
No HS2.1%
HS Grad39.3%
Some College8.1%
Associates8.8%
Bachelors11.4%
Graduate30.2%
Housing & Income

Housing Tenure

Owner: 86.7%Renter: 13.3%Tenure
Owner86.7%
Renter13.3%

Home Value Distribution

Under $50k
17%
$50k–$100k
31%
$100k–$150k
16%
$150k–$200k
10%
$200k–$300k
13%
$300k–$500k
14%

Financials

Median HH Income$88,583 ▲ 16% above avg
Median Home Value$108,300 ▼ 61% below avg
Home/Income Ratio1.2x (nat avg ~3.5x)
Median Rent$675/mo
Total Housing Units561
Vacant Units26

Income Distribution

Under $25k
17%
$25k–$50k
15%
$50k–$75k
12%
$75k–$100k
13%
$100k–$150k
25%
$150k–$200k
10%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
88%
Walked
5%
Work From Home
8%

Commute Time

Under 15 min
29%
15–30 min
28%
30–45 min
38%
Over 45 min
6%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
8%
1960s–1970s
21%
1980s–1990s
9%
2000+
56%
About Illiopolis, IL

Illiopolis is a city in Illinois, located in Sangamon County. The city spans 1 ZIP code and is home to approximately 1,342 residents. It is a middle-aged city, with a median age of 40 years.

Economically, Illiopolis is a middle-income community. The median household income of $88,583 is above the national average. Approximately 6.2% of residents live below the poverty line. The unemployment rate is 4.1%, below the national average.

The real estate market in Illiopolis is one of the more affordable housing markets in the country. Median home values stand at $108,300, which is well below the national average. Renters typically pay around $675 per month. Homeownership is high at 86.7%, typical of suburban and family-oriented communities.

The population of Illiopolis is well-educated. 41.7% of adults hold a bachelor's degree or higher — near the national average. The community is primarily White (95.6%).

Illiopolis, IL offers residents above-average earning potential within Illinois.

ZIP Codes in Illiopolis
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
62539 1,342 $88,583 $108,300 $675 4.1% 41.7% 86.7%