Housing data for Illiopolis, IL
Illiopolis, IL has an estimated 890 residents and 392 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a village in Sangamon County.
19.0% of households rent.
The median gross rent is $663 a month.
Figures last updated on .
- Residents
- 890 (±141)
- Housing units
- 392 (±59)
- Households that rent
- 19.0%
- Median gross rent
- $663
- Residents since 2015–2019
- +8.3%
What stands out in Illiopolis
Median real estate taxes: $1,803 (±$382) in Illiopolis, lower than in Sangamon County ($3,512).
Median home value: $100,800 (±$15,863) in Illiopolis, lower than in Sangamon County ($176,300).
Households without a vehicle: 1.4% (±1.4 points) in Illiopolis, lower than in Sangamon County (7.6%).
Median gross rent: $663 (±$261) in Illiopolis, lower than in Sangamon County ($983).
Housing in Illiopolis at a glance
- Median rent: $663 median gross rent a month (Small sample: wide margin of error)
- Rent by bedrooms: $925 median gross rent, 2 bedrooms (Small sample: wide margin of error)
- Rent burden: 30.6% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 19.0% of households rent
- Income and affordability: $63,125 median household income
- Home values: $100,800 median home value
- Homeowner costs: $1,027 median monthly cost with a mortgage
- Property taxes: $1,803 median real estate taxes a year
- Types of homes: 1.5% of homes are in buildings of 5 or more units
- Bedrooms: 64.5% of homes have 3 or more bedrooms
- Age of homes: 82.4% of homes were built before 1980
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 89.4% heat with utility gas
- Commute and cars: 22.9 minutes average trip to work
- Growth: +8.3% residents since 2015–2019 (Small sample: wide margin of error)
- How long people stay: 16.6% moved in since 2020
- Crowding and facilities: 1.4% of homes have more than 1 person per room (Small sample: wide margin of error)
Illiopolis against Sangamon County, its state and the nation
| Illiopolis | Sangamon County | Illinois | United States | |
|---|---|---|---|---|
| Residents | 890 (±141) | 194,947 (exact) | 12,694,798 (exact) | 334,922,499 |
| Housing units | 392 (±59) | 93,382 (±103) | 5,457,452 (±471) | 143,775,355 |
| Households that rent | 19.0% (±7.2 points) | 28.7% (±1.2 points) | 32.9% (±0.2 points) | 34.8% |
| Median gross rent | $663 (±$261) | $983 (±$18) | $1,274 (±$5) | $1,413 |
| Median household income | $63,125 (±$7,440) | $75,357 (±$1,749) | $83,390 (±$362) | $80,734 |
| Median home value | $100,800 (±$15,863) | $176,300 (±$4,624) | $263,300 (±$797) | $332,700 |
| Median real estate taxes (a year) | $1,803 (±$382) | $3,512 (±$86) | $5,298 (±$22) | $3,119 |
| Built before 1980 | 82.4% (±14.3 points) | 61.8% (±1.9 points) | 63.4% (±0.2 points) | 49.7% |
| Average commute | 22.9 minutes (±2.5) | 19.7 minutes (±0.6) | 27.8 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 87.5% (±5.7 points) | 90.6% (±0.9 points) | 90.8% (±0.1 points) | 91.0% |
| Median age of residents | 43.3 years (±9.4) | 41.0 years (±0.2) | 39.0 years (±0.1) | 38.9 years |
Illiopolis covers 0.7 square miles of land, about 1,315 residents per square mile (Census Bureau Gazetteer).
How Illiopolis has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 822 (±144) | 890 (±141) | +8.3% | Not a measurable change |
| Housing units | 375 (±52) | 392 (±59) | +4.5% | Not a measurable change |
| Median gross rent | $625 (±$269) | $663 (±$261) | +6.1% | No measurable change after inflation |
| Median home value | $88,400 (±$7,067) | $100,800 (±$15,863) | +14.0% | No measurable change after inflation |
| Median household income | $64,063 (±$12,290) | $63,125 (±$7,440) | −1.5% | No measurable change after inflation |
| Median owner cost with a mortgage | $1,054 (±$70) | $1,027 (±$163) | −2.6% | Down after inflation |
| Median real estate taxes | $1,606 (±$262) | $1,803 (±$382) | +12.3% | No measurable change after inflation |
| Households that rent | 26.6% (±8.4 points) | 19.0% (±7.2 points) | −7.6 percentage points | Not a measurable change |
| Rental vacancy rate | 0.0% (±29.2 points) | 0.0% (±38.1 points) | 0.0 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Sangamon County
Illiopolis has no police department of its own in the FBI’s figures, so this is the figure for Sangamon County as a whole.
In 2025, the police departments that report for Sangamon County recorded 671 violent and 3,051 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
Places near Illiopolis
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Illiopolis Township | 1.0 mi | $825 | $138,300 | 14.0% |
| Lanesville Township | 4.5 mi | — | $142,900 | 8.3% |
| Niantic Township | 4.6 mi | $1,066 | $124,500 | 8.9% |
| Niantic | 4.6 mi | $1,066 | $114,800 | 11.4% |
| Mount Auburn | 5.8 mi | $1,175 | $84,800 | 7.8% |
| Mosquito Township | 6.8 mi | — | $251,300 | 7.4% |
| Lake Fork Township | 6.8 mi | — | $160,200 | 22.9% |
| Buffalo | 8.3 mi | $533 | $112,100 | 30.5% |
Places in Illinois most like Illiopolis
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Sparta Township | $636 | $108,100 | $69,028 | 22.3% |
| New Salem Township (Pike County) | $714 | $95,000 | $60,341 | 23.4% |
| Palestine | $719 | $81,300 | $62,850 | 16.8% |
| Hoffman | $675 | $106,700 | $66,667 | 14.3% |
| Waverly | $772 | $98,400 | $55,671 | 17.7% |
| Atkinson | $734 | $119,600 | $57,174 | 17.0% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across Illinois.
HUD Fair Market Rent for Illiopolis, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $861 | $977 | $1,237 | $1,631 | $1,728 |
HUD income limits for Illiopolis, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $24,150 | $40,250 | $64,350 |
| 2 people | $27,600 | $46,000 | $73,550 |
| 3 people | $31,050 | $51,750 | $82,750 |
| 4 people | $34,450 | $57,450 | $91,900 |
| 5 people | $38,680 | $62,050 | $99,300 |
| 6 people | $44,360 | $66,650 | $106,650 |
| 7 people | $50,040 | $71,250 | $114,000 |
| 8 people | $55,720 | $75,850 | $121,350 |
These are the limits HUD sets for its housing programs in the Springfield, IL MSA, where HUD’s median family income for fiscal year 2026 is $114,900.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Illiopolis
How many renters are there in Illiopolis?
Illiopolis has an estimated 70 (±29) renting households, 19.0% of its occupied homes (2020–2024 American Community Survey).
What is the median household income in Illiopolis?
The median household income in Illiopolis is $63,125 (±$7,440) a year (2020–2024 American Community Survey).
What is the average home value in Illiopolis, IL?
The Census Bureau publishes the median: $100,800 (±$15,863) for owner-occupied homes in Illiopolis (2020–2024 American Community Survey).
What is the average mortgage payment in Illiopolis?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Illiopolis, IL is $1,027 (±$163) a month, including taxes, insurance and utilities.
How much are property taxes in Illiopolis?
The median real estate tax paid by homeowners in Illiopolis, IL is $1,803 (±$382) a year (2020–2024 American Community Survey).
How many homes are in Illiopolis?
Illiopolis, IL has an estimated 392 (±59) housing units, occupied and vacant (2020–2024 American Community Survey).
Is Illiopolis growing?
In Illiopolis, the number of residents went from 822 in 2015–2019 to 890 in 2020–2024 (+8.3%), not a measurable change.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Illiopolis village, Illinois
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Illiopolis village, Illinois
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Illiopolis village, Illinois
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Illiopolis village, Illinois
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Illiopolis village, Illinois
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Illiopolis village, Illinois
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Illiopolis village, Illinois
- HUD Fair Market Rents, fiscal year 2027: Springfield, IL MSA
- HUD Income Limits, fiscal year 2026: Springfield, IL MSA
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Illiopolis village, Illinois (place:37127, in state:17).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .