Iroquois County, Illinois: commercial real estate data.
Iroquois County, Illinois has a population of 26,449 across 1,117 square miles, down 3.7 percent since the 2020 census base. County output reached $1.42 bn in 2024, 625 establishments operate here.
92 sourced county values · tier FULL · 10 sections
Iroquois County
How many people live in Iroquois County
- Population26,449
- Households11,443
- Average household size2.31
- Median household income$66,255
- Median age44.4
- Median gross rent$799 per month
- Median owner-occupied home value$137,800
- Home value to household income2.1 times
- Annual rent as a share of median income14.5 percent
- Adults 25 and over with a bachelor degree or higher18.2 percent
- Adults 25 and over with a graduate degree5.5 percent
- Adults 25 and over18,700
- Population under 185,703
- Share under 1821.6 percent
- Population 65 and over5,977
- Share 65 and over22.6 percent
- Working age population, 18 to 6414,769
- Civilian labor force12,970
- Unemployment rate4.5 percent
- Labor force participation, adults 18 and over62.5 percent
- Rank by population among Illinois counties51st of 102
- Rank by population among US county-equivalents1596th
Iroquois County is the 51st largest of 102 Illinois counties by population. A median home costs 2.1 times median household income, which is an affordable ownership market by national standards. Residents 65 and over outnumber those under 18, at 22.6 percent against 21.6 percent, which points demand at health care, services and single storey product rather than schools.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Iroquois County
Is Iroquois County growing
- Population change since the 2020 census base-3.68 percent
- Census 2020 base population27,063
- Births, 2024252
- Deaths, 2024395
- Natural change, 2024-143
- Net domestic migration, 2024165
- Net international migration, 202414
- Total net migration, 2024179
- Cumulative net domestic migration, 2021 to 2024-212
- Rank by growth among US county-equivalents2848th
The county has lost 3.68 percent of its population since the 2020 census base. Deaths exceeded births in 2024, so all of the growth came from people moving in. A market held up by migration alone is more sensitive to a change in relative cost than one growing from household formation.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Iroquois County
Where people moving to Iroquois County come from
- Tax returns filed by households arriving595
- People arriving, from those returns1,078
- Adjusted gross income arriving$33.5 m
- Net adjusted gross income movement$0
- Average income of an arriving household$56,245
- Largest single originIroquois County Non-migrants (10,588 households)
- Largest single destination (10,588 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Iroquois County Non-migrants | 10,588 | 21,471 | $751.6 m |
| Other flows - Different State | 166 | 305 | $9.7 m |
| Kankakee County | 157 | 284 | $6.3 m |
| Other flows - Same State | 91 | 173 | $4.2 m |
| Other flows - Midwest | 83 | 143 | $4.9 m |
| Other flows - South | 56 | 115 | $3.3 m |
| Ford County | 42 | 73 | $2.6 m |
| Cook County | 41 | 81 | $3.2 m |
The largest single source of arrivals is Iroquois County Non-migrants, which is the catchment a retail or multifamily study should look at first.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Iroquois County
What the Iroquois County economy runs on
- County GDP, 2024$1.42 bn
- County GDP, 2023$1.38 bn
- GDP change, 2023 to 20243.4 percent
- GDP change over five years36.9 percent
- Rank by GDP among Illinois counties51st
- Rank by GDP among US county-equivalents1559th
- GDP per resident$53,876
Output grew 3.4 percent in the latest year and 36.9 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Iroquois County
Who employs people in Iroquois County
- Covered employment, annual average7,372
- Establishments reporting675
- Average annual pay$50,100
- Average weekly wage$963
- Sector 44-45, employment1,160
- Sector 44-45, average annual pay$31,841
- Sector 42, employment796
- Sector 42, average annual pay$63,048
- Sector 31-33, employment597
- Sector 31-33, average annual pay$98,029
- Sector 23, employment456
- Sector 23, average annual pay$78,226
- Sector 72, employment435
- Sector 52, employment361
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 44-45 | 1,160 | 66 | $31,841 |
| Sector 42 | 796 | 60 | $63,048 |
| Sector 31-33 | 597 | 29 | $98,029 |
| Sector 23 | 456 | 79 | $78,226 |
| Sector 72 | 435 | 48 | $19,327 |
| Sector 52 | 361 | 35 | $66,467 |
| Sector 81 | 144 | 47 | $45,117 |
| Sector 54 | 132 | 31 | $74,192 |
The largest sector is the biggest private employer group at 1,160 jobs, 15.7 percent of covered employment. Average pay per job sits below median household income, so households here typically need more than one earner.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Iroquois County
What businesses operate in Iroquois County
- Establishments, all industries625
- Employment at those establishments5,568
- Annual payroll$272.0 m
- Establishments per 1,000 residents23.6
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against.
US Census Bureau, County Business Patterns, 2023.
Iroquois County
What is being built in Iroquois County
- Housing units authorised by permit, 202413
- Declared construction value permitted$4.3 m
- Single family units authorised13
- Multifamily units authorised0
- Multifamily share of units0.0 percent
- Average declared value per unit$333,344
- Units authorised per 1,000 households1.1
Multifamily is 0.0 percent of units authorised, so the pipeline is predominantly for sale product.
US Census Bureau, Building Permits Survey, 2024 annual.
Iroquois County
How much SBA lending happens in Iroquois County
- 504 approvals recorded3
- 504 gross approval dollars$1.2 m
- Average 504 approval$395,667
- Median 504 approval$278,000
- Distinct CDCs active3
- 504 jobs per approval15.7
- 504 jobs per million dollars approved39.6
- Most active CDCSomerCor 504, Inc. (1)
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Iroquois County
How big is Iroquois County
- Land area1,117 sq mi
- Rank by land area among Illinois counties3rd of 102
- Width, east to west31.8 mi
- Height, north to south36.2 mi
- Geographies sharing a boundary3
- Residents per square mile of land24
- Establishments per square mile0.56
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Iroquois County
What hazards affect Iroquois County
- EPA radon zone predicted average indoor radon screening level greater than 4 pCi/LZone 1
- Communities in the NFIP Community Status Book12
- Of those, participating in the NFIP11
- NFIP participation rate91.7 percent
- Best Community Rating System class in the county A lower CRS class is a larger flood insurance premium discount.Class 8
- Communities carrying a CRS class1
The EPA places the county in radon zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. The best Community Rating System class in the county is 8, which carries a flood insurance premium discount for properties in the participating community.
US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001. FEMA OpenFEMA, NFIP Community Status Book, Community Status Book, as retrieved.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- No 7(a) approvals recorded in this county in the FOIA release covering FY2020 onward.
- Flood zone record counts are not held. The flood coverage export has not landed, so no count is shown rather than an estimated one.
- Traffic counts resolve in the platform, not in this dataset, so no AADT figure is printed here.
- Zoning is in build. Parcel level zoning is not published on this page.
Feasibility studies
When a Iroquois County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Iroquois County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population26,449
- Households11,443
- Average household size2.31
- Median household income$66,255
- Median age44.4
Common questions
Iroquois County questions, answered from the record.
How many people live in Iroquois County, Illinois?
26,449, in 11,443 households, ranking 51st of 102 Illinois counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Iroquois County growing?
The population has fallen 3.68 percent since the 2020 census base. In 2024 there were 252 births against 395 deaths, with net migration of 179. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Iroquois County?
$66,255. The median owner-occupied home is valued at $137,800, which is 2.1 times income, and median gross rent is $799 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Iroquois County?
625 establishments, employing 5,568 people with an annual payroll of $272.0 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is the average wage in Iroquois County?
Average annual pay is $50,100, or $963 a week, across 7,372 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
What is being built in Iroquois County?
13 housing units were authorised by permit in 2024, with a declared construction value of $4.3 m. Multifamily was 0.0 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Iroquois County?
Zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Where do people moving to Iroquois County come from?
The largest single origin is Iroquois County Non-migrants, with 10,588 households. Arriving households report an average income of $56,245 against null for those leaving. Source: US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Are traffic counts available for Iroquois County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Iroquois County?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame with confirm locally attached.