HomeIllinoisPutnam CountyHennepin
Hennepin, Illinois: commercial real estate data.
Hennepin is a Census village of 929 people across 5.31 square miles of land, in Putnam County. Median household income is $83,000, 74.2 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Hennepin
What Hennepin is
- Census place typevillage
- Land area5.31 sq mi
- Water area0.35 sq mi
- Population per square mile of land175
- County holding the largest share of its areaPutnam 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.
Hennepin
How many people live in Hennepin
- Population929
- Median age38.3
- Population under 18223 plus or minus 64
- Share under 1824.0 percent plus or minus 5.5
- Population 65 and over144 plus or minus 33
- Share 65 and over15.5 percent
- Households372
- Family households249
- Share of households that are families66.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Hennepin
Income and work in Hennepin
- Median household income$83,000
- Per capita income$38,510
- Civilian labor force526
- Employed495
- Unemployed31 plus or minus 23
- Unemployment rate5.9 percent plus or minus 4.3
- Adults 25 and over632
- Adults 25 and over with a high school diploma or higher95.1 percent plus or minus 20.4
- Adults 25 and over with a bachelor degree or higher20.9 percent plus or minus 6.1
- Adults 25 and over with a graduate degree10.3 percent plus or minus 4.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Hennepin
Housing in Hennepin
- Housing units391
- Occupied units372
- Vacant units19 plus or minus 22
- Vacancy rate4.9 percent plus or minus 5.6
- Owner occupied276
- Renter occupied96 plus or minus 35
- Ownership rate74.2 percent
- Median owner-occupied home value$168,300
- Median gross rent, monthly$849
- Annual rent as a share of median income12.3 percent
- Single family units342
- Share single family87.5 percent plus or minus 20.2
- Units in buildings of two or more45 plus or minus 26
- Share in buildings of two or more11.5 percent plus or minus 6.3
- Mobile homes4 plus or minus 5
- Median year structure built1971
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Hennepin
How Hennepin gets to work
- Workers 16 and over who commute457
- Commuting under 15 minutes165 plus or minus 56
- Share commuting under 15 minutes36.1 percent plus or minus 10.2
- Commuting 30 minutes or more180 plus or minus 54
- Share commuting 30 minutes or more39.4 percent plus or minus 9.2
- Drove alone85.3 percent
- Carpooled3.7 percent plus or minus 2.6
- Public transport0.0 percent
- Walked1.6 percent plus or minus 1.4
- Worked from home6.7 percent plus or minus 5.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Hennepin
Flood risk in Hennepin
- NFIP communityVillage of Hennepin
- NFIP community number170570
- Participating in the NFIPNo
- Community Rating System classNone
- Currently effective map date02/04/11
The Village of Hennepin does not participate in the National Flood Insurance Program as community 170570 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.
Putnam County, not Hennepin
Putnam County context, not Hennepin figures
- Establishments in Putnam County133
- Covered employment, Putnam County2,012
- Average annual pay, Putnam County$69,607
- Housing units permitted, Putnam County9
Every figure in this section is published for Putnam County as a whole and is not a measurement of Hennepin.
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
Hennepin questions, answered from the record.
How many people live in Hennepin, Illinois?
929, in 372 households. Hennepin village covers 5.31 square miles of land, which is 175 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Hennepin in?
Putnam 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 Hennepin?
$83,000. The median owner-occupied home is valued at $168,300. Median gross rent is $849 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Hennepin in the National Flood Insurance Program?
No, it is listed but not participating. Hennepin appears in the FEMA Community Status Book as Hennepin, village of, community 170570, 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 Hennepin figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Putnam 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 Hennepin.
Is zoning published for Hennepin?
No. Nothing on this page presents parcel level zoning.
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