City · Illinois
Herrin, Illinois
Herrin, city, in Williamson County, Illinois. Herrin had 12,268 residents on July 1, 2025 by the Census Bureau's estimate, down 0.7% since 2020; the 2020 Census counted 12,352 and the ACS 2020-2024 5-year estimates put it at 12,226 (±71). GEOID 1734358.
Residents, July 2025 estimate
12,268
Census Bureau estimate (no margin published)
2020 Census count: 12,352 · ACS 2020-2024: 12,226 ±71
Median household income
$59,975
±$5,621 (90% margin)
Illinois: $83,390
Median home value
$113,300
±$9,799 (90% margin)
Illinois: $263,300
Median gross rent
$1,002
±$98 (90% margin)
Illinois: $1,274
Where is Herrin and what county is it in?
Herrin is a city in Williamson County, Illinois. It covers 9.7 square miles of land, 1,277 residents per square mile in 2020.
Herrin is in the Marion-Herrin, IL micropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Herrin, and is it growing?
The Census Bureau estimates that 12,268 people lived in Herrin on July 1, 2025, down 0.7% since 2020, in line with Illinois (−0.8%). The 2020 Census counted 12,352 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 12,226 (±71).
| Measure | Herrin | Williamson County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 12,226 ±71 | 66,876 | −601 |
| Households | 5,559 ±277 | 28,983 | +490 |
| Average household size | 2.16 ±0.11 | 2.23 | −0.33 |
| Housing units | 6,183 ±356 | 32,084 | no clear change |
Herrin's population since 2000
From 11,298 in 2000 to 12,268 in 2025: up 8.6%. The 2000, 2010 and 2020 figures are census counts, each for Herrin as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. 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); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Herrin?
The median resident of Herrin is 41.2 years old; 20.8% are under 18 and 19.1% are 65 or older. The largest group is non-Hispanic white residents at 85.8%, then non-Hispanic residents of two or more races at 5.2%. 3.4% of residents were born outside the United States.
| Measure | Herrin | Williamson County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.2 ±2.7 | 41.6 | no clear change |
| Under 18 years | 20.8% ±3.1 pts | 21.3% | – |
| 65 years and over | 19.1% ±3.0 pts | 19.6% | – |
| Male | 49.0% ±2.8 pts | 50.2% | – |
| Hispanic or Latino (any race) | 4.3% ±1.9 pts | 2.9% | +2.3 pts |
| White alone, not Hispanic | 85.8% ±3.0 pts | 87.9% | −5.2 pts |
| Black or African American alone, not Hispanic | 4.2% ±1.7 pts | 4.3% | – |
| Asian alone, not Hispanic | 0.4% ±0.4 pts | 1.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.3 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.2% ±1.6 pts | 3.2% | – |
| Some other race alone, not Hispanic | 0.0% ±0.3 pts | 0.1% | – |
| Born outside the United States | 3.4% ±1.5 pts | 2.0% | no clear change |
| Speak a language other than English at home (age 5+) | 4.9% ±2.3 pts | 3.3% | – |
| Civilian veterans (age 18+) | 7.7% ±2.0 pts | 8.7% | – |
| With a disability | 18.0% ±2.7 pts | 19.1% | – |
| No health insurance coverage | 4.6% ±1.7 pts | 4.6% | −3.3 pts |
| High school graduate or higher (age 25+) | 91.8% ±2.2 pts | 92.8% | – |
| Bachelor's degree or higher (age 25+) | 22.8% ±3.5 pts | 26.2% | no clear change |
| Graduate or professional degree (age 25+) | 9.5% ±2.5 pts | 10.6% | – |
| Lived in the same house a year earlier | 83.8% ±4.4 pts | 87.6% | – |
| Moved from another state in the past year | 2.6% ±2.2 pts | 2.0% | – |
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 Herrin earn?
Half of Herrin's 5,559 households earn less than $59,975 a year (±$5,621), against $65,604 in Williamson County and $83,390 in Illinois. In 2015-2019 it was $55,368 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.5% of residents live below the poverty line.
| Measure | Herrin | Williamson County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $59,975 ±$5,621 | $65,604 | no clear change |
| Mean household income | $80,919 ±$7,991 | $85,846 | – |
| Per capita income | $36,228 ±$3,189 | $37,284 | +$5,768 |
| People below the poverty line | 14.5% ±3.3 pts | 13.8% | no clear change |
| Children under 18 below the poverty line | 17.8% ±6.4 pts | 17.8% | no clear change |
| Households receiving SNAP | 16.8% ±3.8 pts | 16.6% | – |
| Households with a computer | 93.0% ±2.6 pts | 92.9% | – |
| Households with a broadband subscription | 87.8% ±3.8 pts | 87.6% | – |
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 Herrin?
Owners occupy 65.7% of Herrin's occupied homes and renters 34.3%. The median owner-occupied home is valued at $113,300 by its owner (±$9,799). The median renter pays $1,002 a month including utilities, and 43.5% of renters pay 35% or more of their income on rent.
| Measure | Herrin | Williamson County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $113,300 ±$9,799 | $156,400 | no clear change |
| Median gross rent | $1,002 ±$98 | $930 | +$214 |
| Renters paying 35% or more of income on rent | 43.5% ±10.1 pts | 35.2% | +18.7 pts |
| Median monthly owner costs, with a mortgage | $1,252 ±$90 | $1,374 | – |
| Owner-occupied homes | 65.7% ±5.5 pts | 70.7% | no clear change |
| Renter-occupied homes | 34.3% ±5.5 pts | 29.3% | – |
| Housing units | 6,183 ±356 | 32,084 | no clear change |
| Homeowner vacancy rate | 1.0% ±1.7 pts | 0.9% | – |
| Rental vacancy rate | 7.5% ±7.1 pts | 5.2% | – |
| Single-family detached homes | 75.5% ±4.3 pts | 74.9% | – |
| Mobile homes | 3.5% ±1.5 pts | 6.8% | – |
| Built 2020 or later | 1.4% ±1.3 pts | 1.3% | – |
| Built 2010 to 2019 | 11.9% ±3.5 pts | 11.2% | – |
| Built 1939 or earlier | 22.0% ±4.3 pts | 14.7% | – |
| Households with no vehicle | 5.2% ±2.3 pts | 6.0% | – |
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 Herrin building?
Builders took permits for 26 new housing units in Herrin in 2025 (14 in single-family houses), 2.1 per 1,000 residents against 1.5 across Illinois.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Herrin work and get to work?
77.7% of Herrin's workers drive alone and 10.9% work from home. The average trip to work takes 21.9 minutes. The unemployment rate in 2020-2024 averaged 5.9%.
| Measure | Herrin | Williamson County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.8% ±3.7 pts | 58.8% | – |
| Unemployment rate | 5.9% ±2.4 pts | 5.0% | no clear change |
| Drove alone to work | 77.7% ±5.6 pts | 82.1% | – |
| Carpooled | 8.0% ±3.6 pts | 7.2% | – |
| Public transportation | 0.4% ±0.7 pts | 0.3% | – |
| Walked | 0.3% ±0.3 pts | 0.5% | – |
| Worked from home | 10.9% ±4.1 pts | 8.8% | +5.9 pts |
| Mean travel time to work | 21.9 min ±2.9 | 23.5 min | no clear change |
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 census tracts are in Herrin?
3 census tracts lie mostly in Herrin, and 3 more reach into it (2020 census blocks). Their median household incomes run from $43,800 (Tract 204) to $71,734 (Tract 206).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 205Williamson County | 3,365 | $60,268 |
| Tract 204Williamson County | 3,115 | $43,800 |
| Tract 206Williamson County | 4,274 | $71,734 |
| Tract 203Williamson County | 5,379 | $69,684 |
| Tract 202.01Williamson County | 5,883 | $60,159 |
| Tract 210.02Williamson County | 1,745 | $65,733 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Herrin) · Census block assignment files
How does Herrin compare with other places in Illinois?
By the Census Bureau's July 2025 estimates, Herrin is the 2,785th-most populous of the 19,476 U.S. incorporated places that have one and the 196th-most populous of 1,294 in Illinois.
Herrin ranks 1,092nd of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 196th | 1,294 |
| Growth 2020-2025 (PEP) | 383rd | 1,347 |
| Residents per square mile | 524th | 1,383 |
| Median household income | 1,092nd | 1,380 |
| Per capita income | 820th | 1,383 |
| Median home value | 1,072nd | 1,379 |
| Median gross rent | 565th | 1,280 |
| Poverty rate | 303rd | 1,119 |
| Bachelor's degree or higher | 739th | 1,369 |
| Median age | 670th | 1,383 |
| Owner-occupied share | 1,169th | 1,382 |
| Work from home | 514th | 1,015 |
| Travel time to work | 1,002nd | 1,382 |
Herrin's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Herrin with other places
Source: PlainCities ranks computed 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 reliable are the figures for Herrin?
10 of the 57 figures for Herrin on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
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 Herrin 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' public schools in Herrin.