County · Illinois
Calhoun County, Illinois
Calhoun County, Illinois. Calhoun County had 4,300 residents in 2025 by the Census Bureau's estimate, down 2.9% since 2020, a steeper fall than Illinois's (−0.8%). It holds 5 places (5 cities, villages and boroughs) and 2 census tracts. GEOID 17013.
Calhoun County is one of the 15 counties of the St. Louis, MO-IL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
4,300
Census Bureau estimate (no margin published)
2020 Census count: 4,437 · ACS 2020-2024: 4,330
Median household income
$93,203
±$10,314 (90% margin)
Illinois: $83,390
Median home value
$190,900
±$23,818 (90% margin)
Illinois: $263,300
Median gross rent
$583
±$157 (90% margin)
Illinois: $1,274
How many people live in Calhoun County, and is it growing?
The 2020 Census counted 4,437 residents in Calhoun County. The Census Bureau estimates 4,300 for July 1, 2025, down 2.9% since 2020, a steeper fall than Illinois's (−0.8%). The 2020-2024 American Community Survey puts the population at 4,330 over 254 square miles of land.
| Measure | Calhoun County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Total population | 4,330 | 12,694,798 | −500 |
| Households | 1,239±64 | 5,036,449 | −425 |
| Average household size | 3.41±0.18 | 2.46 | +0.58 |
| Housing units | 2,300±23 | 5,457,452 | −575 |
Calhoun County's population since 2000
From 5,084 in 2000 to 4,300 in 2025: down 15.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Calhoun County?
Calhoun County holds 5 places: 5 cities, villages and boroughs (incorporated places). The largest is Hardin with 779 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Hardin | 801 | $88,875 |
|---|---|---|
| Kampsville | 310 | $61,875 |
| BatchtownGEOID 1704117 | 170 | $57,500 |
| BrusselsGEOID 1709148 | 116 | $55,875 |
| HamburgGEOID 1732395 | 99 | $47,000 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Calhoun County?
The median resident of Calhoun County is 48.8 years old; 19.9% are under 18 and 25.4% are 65 or older. The largest group is non-Hispanic white residents at 94.3%, then non-Hispanic residents of two or more races at 3.2%.
| Measure | Calhoun County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median age | 48.8±0.8 | 39.0 | +2.0 |
| Under 18 years | 19.9%±0.4 pts | 21.8% | – |
| 65 years and over | 25.4%±1.0 pts | 17.0% | – |
| Hispanic or Latino (any race) | 0.8%±0.8 pts | 18.8% | – |
| White alone, not Hispanic | 94.3%±1.3 pts | 58.1% | −2.7 pts |
| Black or African American alone, not Hispanic | 1.5%±1.2 pts | 13.3% | – |
| Asian alone, not Hispanic | 0.0%±0.9 pts | 5.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.9 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.2%±1.3 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.1%±0.2 pts | 0.4% | – |
| Born outside the United States | 0.3%±0.2 pts | 14.7% | – |
| Speak a language other than English at home (age 5+) | 0.4%±0.4 pts | 24.0% | – |
| Civilian veterans (age 18+) | 9.5%±1.8 pts | 4.8% | – |
| With a disability | 15.7%±3.0 pts | 12.1% | – |
| No health insurance coverage | 2.4%±1.2 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 94.3%±2.3 pts | 90.5% | – |
| Bachelor's degree or higher (age 25+) | 20.1%±3.9 pts | 37.8% | +5.9 pts |
| Graduate or professional degree (age 25+) | 5.1%±2.2 pts | 15.3% | – |
| Moved from another state in the past year | 0.2%±0.3 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Calhoun County earn?
Half of Calhoun County's 1,239 households earn less than $93,203 a year (±$10,314), against $83,390 in Illinois. In 2015-2019 the median was $77,545 in 2024 dollars, so it rose by $15,658 after inflation. 6.3% of residents live below the poverty line.
| Measure | Calhoun County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $93,203±$10,314 | $83,390 | +$15,658 |
| Mean household income | $105,834±$8,091 | $115,638 | – |
| Per capita income | $35,142±$2,682 | $46,406 | no clear change |
| People below the poverty line | 6.3%±3.0 pts | 11.8% | −5.3 pts |
| Children under 18 below the poverty line | 6.1%±4.1 pts | 15.1% | – |
| Households receiving SNAP | 7.7%±2.5 pts | 13.8% | – |
| Households with a broadband subscription | 86.1%±3.6 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Calhoun County?
Owners occupy 88.7% of Calhoun County's occupied homes and renters 11.3%. The median owner-occupied home is valued at $190,900 by its owner (±$23,818). The median renter pays $583 a month including utilities.
| Measure | Calhoun County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $190,900±$23,818 | $263,300 | +$41,986 |
| Median gross rent | $583±$157 | $1,274 | no clear change |
| Renters paying 35% or more of income on rent | 9.3%±8.3 pts | 39.0% | – |
| Median monthly owner costs, with a mortgage | $1,711±$187 | $1,987 | – |
| Owner-occupied homes | 88.7%±4.1 pts | 67.1% | no clear change |
| Housing units | 2,300±23 | 5,457,452 | −575 |
| Homeowner vacancy rate | 0.6%±0.8 pts | 1.0% | – |
| Rental vacancy rate | 26.5%±12.8 pts | 5.0% | – |
| Single-family detached homes | 83.1%±3.6 pts | 58.2% | – |
| Mobile homes | 10.6%±2.9 pts | 2.3% | – |
| Built 2020 or later | 0.3%±0.3 pts | 0.7% | – |
| Built 1939 or earlier | 29.8%±4.2 pts | 20.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Calhoun County building?
Builders took permits for 5 new housing units across Calhoun County in 2025 (5 single-family), 1.2 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Calhoun County get to work?
74.8% of Calhoun County's workers drive alone and 20.1% work from home. The average trip to work takes 47.7 minutes. The unemployment rate in 2020-2024 averaged 3.2%.
| Measure | Calhoun County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 55.1%±4.7 pts | 65.0% | – |
| Unemployment rate | 3.2%±1.5 pts | 5.8% | no clear change |
| Drove alone to work | 74.8%±7.0 pts | 65.9% | – |
| Carpooled | 4.9%±2.3 pts | 7.8% | – |
| Public transportation | 0.0%±2.0 pts | 5.8% | – |
| Walked | 0.1%±0.2 pts | 2.8% | – |
| Worked from home | 20.1%±7.3 pts | 15.9% | +13.0 pts |
| Mean travel time to work | 47.7 min±5.8 | 27.8 min | +7.2 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Calhoun County's census tracts?
Calhoun County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $85,645 (Tract 9512) to $103,750 (Tract 9513).
| Tract 951217013951200 | 1,812±228 | $85,645 |
|---|---|---|
| Tract 951317013951300 | 2,518±228 | $103,750 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Calhoun County compare with Illinois's other counties?
| Measure | Rank |
|---|---|
| Population | 100th of 102 |
| Growth 2020-2025 | 67th of 102 |
| Residents per square mile | 98th of 102 |
| Median household income | 9th of 102 |
| Median home value | 18th of 102 |
| Median gross rent | 98th of 102 |
| Poverty rate | 97th of 102 |
| Bachelor's degree or higher | 63rd of 102 |
| Median age | 6th of 102 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Calhoun County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.