Vermilion County, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 21st-largest in Illinois
The population of Vermilion County, Illinois is 73,179 as of the 2023 American Community Survey, making it the 21st-largest county in Illinois. The median household income is $54,537, the median home value is $92,900, and the median age is 41.2.
The population of Vermilion County has declined 12.9% since 2010 (81,642 → 71,106), a -0.98% annualized rate.
73,179
Population
-0.98%
Annual growth
81
People / sq mi
$54,537
Median Income
$92,900
Median Home Value
Vermilion County covers 898 sq mi of land at 81.5 people per square mile.
About Vermilion County, IL
In Vermilion County, home values do the distinguishing — a median of $92,900. With 73,179 residents, Vermilion County is a county in Illinois. It ranks #21 among counties in Illinois by population.
The typical household earns $54,537, below the US median of $78,538. Poverty sits at 12.2%, close to the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $92,900, with typical rent around $802.
Fewer adults hold degrees here than in most comparable places — 16.2%, below the national 35.0%. About 7.5% of the workforce is home-based, below the national 14.0%, and the average commute runs about 20 minutes each way.
Vermilion County Population History (2010-2024)
The county of Vermilion County had a population of 81,642 in 2010 and 71,106 in 2024, a -12.9% growth over 14 years. The peak was 81,642 in 2010. Average annual growth rate: -0.98%.
71,106
Population (2024)
81,642
Population (2010)
81,642
Peak (2010)
-0.98%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 81,642 |
| 2011 | 81,427 |
| 2012 | 80,881 |
| 2013 | 80,608 |
| 2014 | 79,811 |
| 2015 | 79,209 |
| 2016 | 78,503 |
| 2017 | 77,722 |
| 2018 | 76,703 |
| 2019 | 75,736 |
| 2020 | 74,010 |
| 2021 | 73,175 |
| 2022 | 72,089 |
| 2023 | 71,551 |
| 2024 | 71,106 |
Race & Ethnicity
| White | 78.9% |
| Black or African American | 14.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
41.2
Median Age
50.0%
Female
50.0%
Male
20.1%
Age 65+
Age Distribution
Children (under 15): 19.3% · Seniors (65+): 20.1%
Income & Poverty
| Median household income | $54,537$-27,165 vs state |
| Mean household income | $72,146 |
| Per-capita income | $30,447 |
| Poverty rate | 12.2%+4.0% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 51.9% |
Top Industries by Employment
The largest employment sector in Vermilion County is professional & business services, accounting for 23.5% of workers.
How residents commute
0.6%
Drive alone
2.2%
Carpool
81.5%
Public transit
7.5%
Work from home
19.8 min
Avg commute
Housing
$92,900$-157,600 vs state
Median home value
$802
Median rent
69.2%
Homeownership rate
34,390
Total housing units
87.8%
Occupied
12.2%
Vacant
30.8%
Renter-occupied
Social & access
95.4%
With health insurance
90.4%
With broadband internet
14.3%
Foreign-born
7.2%
Veterans (18+)
14.7%
With a disability
96.0%
Speak language other than English at home
Education
90.7%
High School+
16.2%
Bachelor's+
Largest cities in Illinois
Other counties in Illinois
Part of Illinois
Metro areas in Illinois
County rankings
Frequently Asked Questions
Vermilion County, Illinois has a population of 73,179 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 21st-largest county in Illinois. Population density is 81 people per square mile.
The population of Vermilion County has declined 12.9% since 2010 (81,642 → 71,106), a -0.98% annualized rate.
The median household income in Vermilion County, Illinois is $54,537, with mean (average) household income of $72,146 and per-capita income of $30,447. 12.2% of residents live below the federal poverty level.
In Vermilion County, the largest racial and ethnic groups are White (78.9%), Black or African American (14.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Vermilion County, Illinois is 41.2 years. Residents are 50.0% female and 50.0% male.
The median home value in Vermilion County is $92,900 and median monthly rent is $802. 69.2% of occupied housing units are owner-occupied. The county has 34,390 total housing units, 12.2% of which are vacant.
The largest employment sector in Vermilion County, Illinois is professional, scientific, and management services, employing 23.5% of workers. The unemployment rate is 3.5%.
Chicago is among the largest cities associated with Vermilion County, Illinois, with a population of 2,707,648.
Vermilion County, IL Climate
Vermilion County, IL has an average annual temperature of 10.7°C (51°F) and receives about 1005 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.7°C
Avg Temp
1005
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 24° | 47 mm |
| February | -2° / 28° | 47 mm |
| March | 4° / 40° | 78 mm |
| April | 11° / 51° | 99 mm |
| May | 17° / 62° | 111 mm |
| June | 22° / 71° | 108 mm |
| July | 24° / 75° | 109 mm |
| August | 23° / 73° | 99 mm |
| September | 19° / 66° | 78 mm |
| October | 12° / 54° | 77 mm |
| November | 5° / 42° | 84 mm |
| December | -1° / 30° | 68 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Vermilion County, IL
The most comfortable months to visit Vermilion County, IL are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -9°C low). May is usually the wettest month.
Where to stay near Vermilion County
Visiting or relocating to Vermilion County, IL? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Vermilion County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.