HomeIllinoisKnox CountyKnoxville
Knoxville, Illinois: commercial real estate data.
Knoxville is a Census city of 3,211 people across 2.35 square miles of land, in Knox County. Median household income is $82,863, 84.1 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Knoxville
What Knoxville is
- Census place typecity
- Land area2.35 sq mi
- Water area0 sq mi
- Population per square mile of land1,367
- County holding the largest share of its areaKnox 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.
Knoxville
How many people live in Knoxville
- Population3,211
- Median age42.6
- Population under 18763
- Share under 1823.8 percent
- Population 65 and over691
- Share 65 and over21.5 percent
- Households1,357
- Family households851
- Share of households that are families62.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Knoxville
Income and work in Knoxville
- Median household income$82,863 plus or minus $21,555
- Per capita income$34,327
- Civilian labor force1,541
- Employed1,452
- Unemployed89 plus or minus 57
- Unemployment rate5.8 percent plus or minus 3.6
- Adults 25 and over2,232
- Adults 25 and over with a high school diploma or higher96.5 percent
- Adults 25 and over with a bachelor degree or higher24.8 percent plus or minus 5.0
- Adults 25 and over with a graduate degree6.3 percent plus or minus 2.8
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Knoxville
Housing in Knoxville
- Housing units1,446
- Occupied units1,357
- Vacant units89 plus or minus 64
- Vacancy rate6.2 percent plus or minus 4.4
- Owner occupied1,141
- Renter occupied216 plus or minus 66
- Ownership rate84.1 percent
- Median owner-occupied home value$145,300
- Median gross rent, monthly$623
- Annual rent as a share of median income9.0 percent plus or minus 2.7
- Single family units1,183
- Share single family81.8 percent
- Units in buildings of two or more230 plus or minus 87
- Share in buildings of two or more15.9 percent plus or minus 5.8
- Mobile homes33 plus or minus 33
- Median year structure built1963
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Knoxville
How Knoxville gets to work
- Workers 16 and over who commute1,357
- Commuting under 15 minutes542 plus or minus 126
- Share commuting under 15 minutes39.9 percent
- Commuting 30 minutes or more301 plus or minus 89
- Share commuting 30 minutes or more22.2 percent plus or minus 5.9
- Drove alone88.2 percent
- Carpooled6.3 percent plus or minus 4.2
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home5.4 percent plus or minus 2.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Knoxville
Flood risk in Knoxville
- NFIP communityCity of Knoxville
- NFIP community number170350
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/02/11(M)
The City of Knoxville participates in the National Flood Insurance Program as community 170350 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.
Knox County, not Knoxville
Knox County context, not Knoxville figures
- Establishments in Knox County968
- Covered employment, Knox County17,106
- Average annual pay, Knox County$46,491
- Housing units permitted, Knox County2
Every figure in this section is published for Knox County as a whole and is not a measurement of Knoxville.
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
Knoxville questions, answered from the record.
How many people live in Knoxville, Illinois?
3,211, in 1,357 households. Knoxville city covers 2.35 square miles of land, which is 1,367 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Knoxville in?
Knox 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 Knoxville?
$82,863. The median owner-occupied home is valued at $145,300. Median gross rent is $623 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Knoxville in the National Flood Insurance Program?
Yes. Knoxville appears in the FEMA Community Status Book as Knoxville, city of, community 170350, 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 Knoxville figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Knox 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 Knoxville.
Is zoning published for Knoxville?
No. Nothing on this page presents parcel level zoning.