Population
855 residents
Census ACS 2023 - Illinois
City profile · Illinois · Census ACS 2023
Mounds, IL
Population, income, housing, safety, climate and schools for Mounds - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.
- 855
- Residents
- $27,333
- Median income
- $916
- Median rent (state)
Mounds - the verdict
Measured against every US city with at least 1,000 residents, Mounds lands in the 2nd percentile for household income and the 64th percentile for safety. Source: Census ACS + FBI UCR.
- 2nd
- percentile, household income
- 5th
- percentile, median rent
- 64th
- percentile, safety
📝 How we sourced this
Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.
Data Snapshot: Mounds, IL
Illinois's Mounds is a small town, with 855 residents per the latest Census Bureau ACS figures. The typical household in Mounds brings in $27,333 a year, in the lower quartile of U.S. cities for household income, with a poverty rate of 29.3%. The median resident age is 36.5 years. 14.9% of adults here have a bachelor's degree or higher; 28.9% of working-age residents are in the labor force.
In 2024, 0 residential building permits were authorized in Mounds (No Permits), per Census BPS data. Mounds reports a comparatively low crime rate: per-100,000 total crime stands at 993.4 in FBI UCR data, below the national average (a voluntary reporting program, read this as reporting activity, not a definitive danger score).
Illinois tracks close to the national cost-of-living baseline: the state registers 100.0 on a 100-equals-national-average index (Near Average) per BEA Regional Price Parities 2024. Statewide, HUD pegs Fair Market Rent for a two-bedroom unit at $916 monthly. Statewide, average monthly utility bills in Illinois run around $240, per EIA 2023 residential energy data. Natural-hazard exposure scores 49.0 out of 100 on FEMA's National Risk Index (Low).
Median Household Income
$27,333 /yr
Poverty 29.3%
Cost of Living Index (state)
100.0 (US=100)
Near Average - BEA RPP 2024, Illinois average
How does Mounds compare to other US cities?
Here's how Mounds stacks up against the full field of US cities (population 1,000+), computed live from Census and FBI data.
Household income 2% higher than other cities
Median rent 5% pricier than other cities
Safety 64% safer than other cities
"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.
A national percentile can hide a lot of local variation: narrowed to Illinois alone, Mounds ranks #246 of 455 Illinois cities by lowest crime rate - a different, more locally useful comparison than stacking it against the entire country.
How we calculate these percentiles & ranks
Each percentile compares Mounds against every qualifying US city; each in-state rank narrows that to Illinois only. Full formula and direction notes: methodology.
Illinois-relative analysis
Median Gross Rent places Mounds near the bottom of Illinois's cities
Among the 1,336 Illinois cities PlainCities tracks with reported median gross rent data, Mounds ranks #935 - the 0th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Mounds only against its own state's cities, not the full US field.
Median Household Income
#1,306 of 1,311
0th percentile in Illinois
Median Gross Rent
#935 of 1,336
0th percentile in Illinois
Poverty Rate
#29 of 1,335
98th percentile in Illinois
Bachelor's Degree or Higher
#829 of 1,336
38th percentile in Illinois
Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Illinois only, not a livability score. See the methodology for the source and calculation.
2nd percentile nationally for median household income · 64th percentile for safety (lower crime rate). Source: Census ACS 2023 / FBI UCR 2023.
Mounds's profile vs. every US city
Income, affordability, and safety percentile
Income distribution context
Key socioeconomic indicators
Bachelor's degree or higher (adults 25+) 14.9%
Census ACS S1501, educational attainment
Poverty rate (households below FPL) 29.3%
Census ACS S1701, poverty status
Labor force participation (adults 16+) 28.9%
Census ACS S2301, share of working-age residents in the labor force
Population
855
Median Income
$27,333
Median Home Value
N/A
Median Age
36.5
Poverty Rate
29.3%
Labor force participation
28.9%
Bachelor's Degree+
14.9%
Safety & Crime
Total Crime Rate
993.4
per 100,000 residents
Violent Crime
165.6
per 100,000 residents
Property Crime
827.8
per 100,000 residents
Reflects incidents reported to the FBI's Uniform Crime Reporting program — agency participation is voluntary and reporting completeness varies by jurisdiction and year, so this reflects reporting activity, not a definitive danger score. Not adjusted for tourism, commuter, or daytime population.
Schools
Total Schools
2
Public schools in this city
Population Change
Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025
Housing Supply
Census Bureau Building Permits Survey (BPS) - annual residential permits authorized
Total Permits (2024)
0
housing units authorized
Single-Family
0
detached homes
Multifamily
0
apartments & condos
5-Year Permit Trend (2019–2024)
| Year | Total |
|---|---|
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
Commute Patterns
How workers travel to work, Census ACS 2023
Drive Alone
87.1%
Carpool
4.5%
Public Transit
0.0%
Walk
0.0%
Work from Home
8.4%
Based on 178 workers 16 and over.
Monthly Utility Costs
State-average estimates for Illinois - EIA 2023 residential energy data
Electricity
$100
avg/month
Natural Gas
$90
avg/month
Water & Sewer
$50
avg/month
Total Utilities
$240
estimated/month
Estimates reflect Illinois state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.
Living Costs & Risk
Cost of living is a Illinois state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Mounds sits in
Cost of Living Index
100.0
Near Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$916/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
49.0 / 100
Low
FEMA NRI composite score (county)
Similar Cities in Illinois
Cities of a Similar Size Nationwide
Population-matched peers from other states, closest to Mounds's 855 residents (Census ACS 5-Year 2023).
Cities with a Similar Household Income Nationwide
Median-household-income-matched peers from other states, closest to Mounds's $27,333 (Census ACS 5-Year 2023, table B19013).
Race & Ethnicity Composition
City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.
How Mounds compares to nearby Illinois cities
Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).
| City | Population | Median Household Income |
|---|---|---|
| Mounds (this city) | 855 | $27,333 |
| Illiopolis | 854 | $74,219 |
| Morrisonville | 852 | $81,944 |
| Sidney | 849 | $84,073 |
Census ACS 5-year FIPS IL FBI UCR NCES CCD Census BPS 2024 OMB Bulletin 23-01
What do people ask about Mounds, IL?
What is the population of Mounds, IL? +
Mounds, IL has a population of 855 according to U.S. Census Bureau ACS 2023 estimates.
What is the median household income in Mounds, IL? +
In Mounds, the typical household earns $27,333 per year, based on Census ACS 2023 data.
What is the cost of living in Mounds? +
BEA does not publish a city-level cost-of-living figure for Mounds; the closest available measure is the Illinois state average, a cost of living index of 100.0 (U.S. average = 100), rated "Near Average" based on BEA Regional Price Parities 2024 data. Costs within Illinois vary by metro area.
Is Mounds, IL safe? +
Mounds has a total crime rate of 993.4 per 100,000 residents, which is below the national average. This reflects incidents reported to the FBI UCR program, not a definitive safety score -- agency reporting is voluntary and completeness varies by jurisdiction.
Source: U.S. Census Bureau ACS 5-Year 2023, FBI UCR, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.
Read our methodology - how this data is sourced, computed, and verified.
Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.
Citation & verification links
Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCitiesEvery figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.