HomeIllinoisSangamon CountyThayer
Thayer, Illinois: commercial real estate data.
Thayer is a Census village of 531 people across 0.61 square miles of land, in Sangamon County. Median household income is $62,083, 86.9 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Thayer
What Thayer is
- Census place typevillage
- Land area0.61 sq mi
- Water area0 sq mi
- Population per square mile of land870 plus or minus 252
- County holding the largest share of its areaSangamon 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.
Thayer
How many people live in Thayer
- Population531 plus or minus 154
- Median age46.4
- Population under 18100 plus or minus 41
- Share under 1818.8 percent plus or minus 5.3
- Population 65 and over121 plus or minus 36
- Share 65 and over22.8 percent
- Households252 plus or minus 77
- Family households141 plus or minus 45
- Share of households that are families56.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Thayer
Income and work in Thayer
- Median household income$62,083 plus or minus $17,335
- Per capita income$39,425
- Civilian labor force272 plus or minus 96
- Employed260 plus or minus 92
- Unemployed12 plus or minus 13
- Unemployment rate4.4 percent plus or minus 4.5
- Adults 25 and over390 plus or minus 110
- Adults 25 and over with a high school diploma or higher91.0 percent plus or minus 33.5
- Adults 25 and over with a bachelor degree or higher10.3 percent plus or minus 6.0
- Adults 25 and over with a graduate degree3.6 percent plus or minus 4.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Thayer
Housing in Thayer
- Housing units289 plus or minus 81
- Occupied units252 plus or minus 77
- Vacant units37 plus or minus 30
- Vacancy rate12.8 percent plus or minus 9.7
- Owner occupied219 plus or minus 71
- Renter occupied33 plus or minus 19
- Ownership rate86.9 percent
- Median owner-occupied home value$97,100
- Median gross rent, monthly$968 plus or minus $685
- Annual rent as a share of median income18.7 percent plus or minus 14.2
- Single family units283 plus or minus 83
- Share single family97.9 percent
- Units in buildings of two or more0
- Share in buildings of two or more0.0 percent
- Mobile homes6 plus or minus 7
- Median year structure built1967
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Thayer
How Thayer gets to work
- Workers 16 and over who commute251 plus or minus 91
- Commuting under 15 minutes29 plus or minus 23
- Share commuting under 15 minutes11.6 percent plus or minus 8.0
- Commuting 30 minutes or more130 plus or minus 66
- Share commuting 30 minutes or more51.8 percent plus or minus 18.6
- Drove alone85.1 percent plus or minus 19.4
- Carpooled6.5 percent plus or minus 3.5
- Public transport3.4 percent plus or minus 6.0
- Walked0.8 percent plus or minus 1.9
- Worked from home4.2 percent plus or minus 3.9
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Thayer
Flood risk in Thayer
- NFIP communityVillage of Thayer
- NFIP community number170804
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/02/07
The Village of Thayer participates in the National Flood Insurance Program as community 170804 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.
Sangamon County, not Thayer
Sangamon County context, not Thayer figures
- Establishments in Sangamon County4,925
- Covered employment, Sangamon County134,376
- Average annual pay, Sangamon County$69,350
- Housing units permitted, Sangamon County191
Every figure in this section is published for Sangamon County as a whole and is not a measurement of Thayer.
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
Thayer questions, answered from the record.
How many people live in Thayer, Illinois?
531, in 252 households. Thayer village covers 0.61 square miles of land, which is 870 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Thayer in?
Sangamon 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 Thayer?
$62,083. The median owner-occupied home is valued at $97,100. Median gross rent is $968 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Thayer in the National Flood Insurance Program?
Yes. Thayer appears in the FEMA Community Status Book as Thayer, village of, community 170804, 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 Thayer figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Sangamon 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 Thayer.
Is zoning published for Thayer?
No. Nothing on this page presents parcel level zoning.