Illiopolis

Population: 854
Median household income: $74,219
Median home value: $96,500

Located in Sangamon County, Illinois, Illiopolis is a community with a population of 854. The median household income of $74,219 is in line with the Sangamon County median ($74,114).

Between 2019 and 2023, Illiopolis's population grew 3.9% from 822 to 854, while its median home value rose 9.2% from $88,400 to $96,500.

The median resident is 45.5 years old. The largest age group is 55 to 64, 19.4% of residents.

Demographics

ACS 2019–2023

Population: 854
Median age: 45.5 yrs
Median household income: $74,219
Median home value: $96,500
Median gross rent: $675
Housing units: 383
Homeownership rate: 80.1%
Bachelor's degree or higher: 18.4%
Unemployment rate: 2.0%

Trends

ACS 5-year · 2019–2023

Population

822854

Median household income

$64,063$74,219

Median home value

$88,400$96,500

Median gross rent

$625$675

Year	Population	Median household income	Median home value	Median gross rent
2019	822	$64,063	$88,400	$625
2020	767	$64,375	$86,200	$705
2021	886	$62,143	$82,400	$623
2022	822	$77,292	$91,500	$698
2023	854	$74,219	$96,500	$675

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.6%

5 to 1718.1%

18 to 244.1%

25 to 348.5%

35 to 4412.1%

45 to 5410.7%

55 to 6419.4%

65 to 7413.7%

75 and over6.8%

	Count	Share
Under 5	56	6.6%
5 to 17	155	18.1%
18 to 24	35	4.1%
25 to 34	73	8.5%
35 to 44	103	12.1%
45 to 54	91	10.7%
55 to 64	166	19.4%
65 to 74	117	13.7%
75 and over	58	6.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	799	93.6%
Black or African American	19	2.2%
American Indian & Alaska Native	0	0.0%
Asian	5	0.6%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	25	2.9%
Hispanic or Latino (any race)	6	0.7%

Educational attainment (age 25+)

No high school diploma10.7%

High school graduate47.2%

Some college or associate's23.7%

Bachelor's degree13.7%

Graduate or professional degree4.8%

	Count	Share
No high school diploma	65	10.7%
High school graduate	287	47.2%
Some college or associate's	144	23.7%
Bachelor's degree	83	13.7%
Graduate or professional degree	29	4.8%

Commute to work

Mean travel time to work: 24 min

Drove alone79.4%

Carpooled4.4%

Public transit0.0%

Walked6.8%

Bicycle0.0%

Worked from home8.4%

Other means1.0%

How workers get to work

	Count	Share
Drove alone	304	79.4%
Carpooled	17	4.4%
Public transit	0	0.0%
Walked	26	6.8%
Bicycle	0	0.0%
Worked from home	32	8.4%
Other means	4	1.0%

Travel time

	Count	Share
Under 15 min	90	25.6%
15 to 29 min	116	33.0%
30 to 44 min	124	35.3%
45 to 59 min	10	2.8%
60+ min	11	3.1%

Households

Average household size: 2.39
Poverty rate: 4.3% (37 of 854)

	Count	Share
Family households	242	67.8%
Nonfamily households	115	32.2%

Housing

Median year structure built: 1955

Occupancy

	Count	Share
Occupied	357	93.2%
Vacant	26	6.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	286	80.1%
Renter-occupied	71	19.9%

1-unit, detached81.7%

1-unit, attached1.0%

2 to 4 units9.7%

5 to 19 units2.9%

20 or more units0.0%

Mobile home & other4.7%

Units in structure

	Count	Share
1-unit, detached	313	81.7%
1-unit, attached	4	1.0%
2 to 4 units	37	9.7%
5 to 19 units	11	2.9%
20 or more units	0	0.0%
Mobile home & other	18	4.7%

Geography

Place GEOID: 1737127
Type (LSAD): 47
Land area: 0.68 sq mi
Water area: 0 sq mi
Center point: 39.8498, -89.2521