HomeIllinoisMadison CountyGrantfork
Grantfork, Illinois: commercial real estate data.
Grantfork is a Census village of 459 people across 0.37 square miles of land, in Madison County. Median household income is $95,625, 98.2 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Grantfork
What Grantfork is
- Census place typevillage
- Land area0.37 sq mi
- Water area0.01 sq mi
- Population per square mile of land1,248 plus or minus 429
- County holding the largest share of its areaMadison County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grantfork
How many people live in Grantfork
- Population459 plus or minus 158
- Median age35.8
- Population under 18134 plus or minus 45
- Share under 1829.2 percent plus or minus 14.0
- Population 65 and over35 plus or minus 16
- Share 65 and over7.6 percent plus or minus 2.3
- Households165 plus or minus 51
- Family households128 plus or minus 47
- Share of households that are families77.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grantfork
Income and work in Grantfork
- Median household income$95,625 plus or minus $50,893
- Per capita income$42,361 plus or minus $12,278
- Civilian labor force269 plus or minus 103
- Employed250 plus or minus 100
- Unemployed19 plus or minus 12
- Unemployment rate7.1 percent plus or minus 3.5
- Adults 25 and over281 plus or minus 98
- Adults 25 and over with a high school diploma or higher98.6 percent plus or minus 46.0
- Adults 25 and over with a bachelor degree or higher47.3 percent plus or minus 22.7
- Adults 25 and over with a graduate degree12.1 percent plus or minus 9.9
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grantfork
Housing in Grantfork
- Housing units172 plus or minus 52
- Occupied units165 plus or minus 51
- Vacant units7 plus or minus 11
- Vacancy rate4.1 percent plus or minus 6.3
- Owner occupied162 plus or minus 50
- Renter occupied3 plus or minus 4
- Ownership rate98.2 percent plus or minus 42.9
- Median owner-occupied home value$167,900 plus or minus $78,140
- Single family units164 plus or minus 53
- Share single family95.3 percent
- Units in buildings of two or more0
- Share in buildings of two or more0.0 percent
- Mobile homes8 plus or minus 8
- Median year structure built1985
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grantfork
How Grantfork gets to work
- Workers 16 and over who commute212 plus or minus 87
- Commuting under 15 minutes62 plus or minus 37
- Share commuting under 15 minutes29.2 percent plus or minus 12.8
- Commuting 30 minutes or more78 plus or minus 24
- Share commuting 30 minutes or more36.8 percent plus or minus 19.0
- Drove alone74.5 percent
- Carpooled2.0 percent plus or minus 2.3
- Public transport0.0 percent
- Walked9.3 percent plus or minus 12.4
- Worked from home14.2 percent plus or minus 11.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grantfork
Flood risk in Grantfork
- NFIP communityVillage of Grantfork
- NFIP community number170209
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date04/15/82
The Village of Grantfork participates in the National Flood Insurance Program as community 170209 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Madison County, not Grantfork
Madison County context, not Grantfork figures
- Establishments in Madison County5,659
- Covered employment, Madison County105,166
- Average annual pay, Madison County$57,153
- Housing units permitted, Madison County366
Every figure in this section is published for Madison County as a whole and is not a measurement of Grantfork.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Grantfork questions, answered from the record.
How many people live in Grantfork, Illinois?
459, in 165 households. Grantfork village covers 0.37 square miles of land, which is 1,248 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Grantfork in?
Madison County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Grantfork?
$95,625. The median owner-occupied home is valued at $167,900. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Grantfork in the National Flood Insurance Program?
Yes. Grantfork appears in the FEMA Community Status Book as Grantfork, village of, community 170209, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Grantfork figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Madison County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Grantfork.
Is zoning published for Grantfork?
No. Nothing on this page presents parcel level zoning.