HomeIowaDecatur CountyDecatur
Decatur, Iowa: commercial real estate data.
Decatur is a Census city of 190 people across 0.38 square miles of land, in Decatur County. Median household income is $45,781, 98.7 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Decatur
What Decatur is
- Census place typecity
- Land area0.38 sq mi
- Water area0 sq mi
- Population per square mile of land502 plus or minus 185
- County holding the largest share of its areaDecatur 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.
Decatur
How many people live in Decatur
- Population190 plus or minus 70
- Median age33.5 plus or minus 17.9
- Population under 1838 plus or minus 21
- Share under 1820.0 percent plus or minus 8.1
- Population 65 and over26 plus or minus 16
- Share 65 and over13.7 percent plus or minus 6.5
- Households75 plus or minus 26
- Family households53 plus or minus 24
- Share of households that are families70.7 percent plus or minus 20.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Decatur
Income and work in Decatur
- Median household income$45,781 plus or minus $27,844
- Per capita income$22,164 plus or minus $7,288
- Civilian labor force110 plus or minus 55
- Employed109 plus or minus 55
- Unemployed1 plus or minus 3
- Unemployment rate0.9 percent plus or minus 2.7
- Adults 25 and over103 plus or minus 32
- Adults 25 and over with a high school diploma or higher87.4 percent
- Adults 25 and over with a bachelor degree or higher9.7 percent plus or minus 12.7
- Adults 25 and over with a graduate degree0.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Decatur
Housing in Decatur
- Housing units112 plus or minus 41
- Occupied units75 plus or minus 26
- Vacant units37 plus or minus 30
- Vacancy rate33.0 percent plus or minus 23.9
- Owner occupied74 plus or minus 26
- Renter occupied1 plus or minus 3
- Ownership rate98.7 percent
- Median owner-occupied home value$101,000
- Single family units70 plus or minus 38
- Share single family62.5 percent plus or minus 25.4
- Units in buildings of two or more0
- Share in buildings of two or more0.0 percent
- Mobile homes42 plus or minus 19
- Median year structure built1977
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Decatur
How Decatur gets to work
- Workers 16 and over who commute103 plus or minus 53
- Commuting under 15 minutes12 plus or minus 10
- Share commuting under 15 minutes11.7 percent plus or minus 7.7
- Commuting 30 minutes or more63 plus or minus 39
- Share commuting 30 minutes or more61.2 percent plus or minus 20.8
- Drove alone84.5 percent plus or minus 21.6
- Carpooled12.6 percent plus or minus 8.5
- Public transport0.0 percent
- Walked2.9 percent plus or minus 3.6
- Worked from home0.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Decatur
Flood risk in Decatur
- NFIP communityCity of Decatur City
- NFIP community number195231
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date(NSFHA)
The City of Decatur City participates in the National Flood Insurance Program as community 195231 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.
Decatur County, not Decatur
Decatur County context, not Decatur figures
- Establishments in Decatur County146
- Covered employment, Decatur County2,269
- Average annual pay, Decatur County$42,983
- Housing units permitted, Decatur County2
Every figure in this section is published for Decatur County as a whole and is not a measurement of Decatur.
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
Decatur questions, answered from the record.
How many people live in Decatur, Iowa?
190, in 75 households. Decatur city covers 0.38 square miles of land, which is 502 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Decatur in?
Decatur 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 Decatur?
$45,781. The median owner-occupied home is valued at $101,000. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Decatur in the National Flood Insurance Program?
Yes. Decatur appears in the FEMA Community Status Book as Decatur City, city of, community 195231, 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 Decatur figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Decatur 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 Decatur.
Is zoning published for Decatur?
No. Nothing on this page presents parcel level zoning.
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