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Denison, Iowa

City in Crawford County, Iowa · ZIP 51442

  • Crawford County
  • Census data · ACS 2019-2023
  • 4 public schools
Join DenisonAsk DenisonBusinessesPeople
  • 8,302 (2024 estimate)Population
  • 2,995Households
  • $63,850Median household income
  • $137,600Median home value
  • 4Public schools
  • 1ZIP codes

About Denison

This page shows only what has been published about Denison: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020+14.1%
7k7.5k8k8.5k2000: 7,33920002010: 8,29820102020: 8,37320207,3398,373
Population of Denison at each census
CensusPopulation
20007,339
20108,298
20208,373

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 19, retrieved November 14, 2026.

Household income in Denison
Under $50k39.6%
$50k to $100k33.8%
$100k to $150k13.9%
$150k to $200k5.9%
$200k and over6.9%

Median household income $63,850 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 19, retrieved November 14, 2026.

Housing tenure in Denison
Owner occupied
2,218 units
Renter occupied
777 units
Vacancy rate
6%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

Denison compared with its county and state
Denison compared with its county and state, American Community Survey 2019-2023
MeasureDenisonCrawford CountyIowa
Population8,24716,2893,195,937
Median household income$63,850$65,039$73,147
Median age34.037.938.6
Median home value$137,600$136,300$195,900
Bachelor’s degree or higher18.5%18.3%30.9%
Foreign-born residents27.8%15.9%5.7%
Owner-occupied homes74.1%78.7%71.5%
Mean commute to work13.1 minutes17.9 minutes19.8 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

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Schools

Public schools in Denison4
Public schools in Denison, NCES directory 2023–2024
SchoolTypeGradesDistrict
Broadway Elementary SchoolPublic4–5Denison Comm School District
Denison Elementary SchoolPublicPre-K–3Denison Comm School District
Denison Middle SchoolPublic6–8Denison Comm School District
Denison High SchoolPublic9–12Denison Comm School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about DenisonPromoted from questions people asked

No question about Denison has been asked often enough to publish an answer yet. Ask Denison and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Crawford County

All towns in Crawford County