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Keystone, Iowa

City in Benton County, Iowa · ZIP 52249

  • Benton County
  • Census data · ACS 2019-2023
  • 1 public schools
Join KeystoneAsk KeystoneBusinessesPeople
  • 616 (2024 estimate)Population
  • 286Households
  • $68,750Median household income
  • $141,100Median home value
  • 1Public schools
  • 1ZIP codes

About Keystone

This page shows only what has been published about Keystone: 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 2020−12.8%
5506006507002000: 68720002010: 62220102020: 5992020687599
Population of Keystone at each census
CensusPopulation
2000687
2010622
2020599

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 Keystone
Under $50k38.3%
$50k to $100k34.9%
$100k to $150k8.4%
$150k to $200k9.4%
$200k and over8.7%

Median household income $68,750 · 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 Keystone
Owner occupied
231 units
Renter occupied
55 units
Vacancy rate
5.6%

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.

Keystone compared with its county and state
Keystone compared with its county and state, American Community Survey 2019-2023
MeasureKeystoneBenton CountyIowa
Population82525,6983,195,937
Median household income$68,750$84,742$73,147
Median age36.043.338.6
Median home value$141,100$198,400$195,900
Bachelor’s degree or higher21.3%24.9%30.9%
Foreign-born residents0.4%0.8%5.7%
Owner-occupied homes80.8%84.3%71.5%
Mean commute to work33.1 minutes25.1 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 Keystone1
Public schools in Keystone, NCES directory 2023–2024
SchoolTypeGradesDistrict
Keystone Elementary SchoolPublicPre-K–3Benton 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 KeystonePromoted from questions people asked

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Nearby towns

Other towns in Benton County

All towns in Benton County