Keystone, Iowa

Keystone: human settlement in Benton County, Iowa, United States of America

About

Keystone is a city located in the county of Benton in the U.S. state of Iowa. Its population at the 2010 census was 622 and a population density of 532 people per km². After 10 years in 2020 city had an estimated population of 615 inhabitants.

Quick Facts about Keystone

Population 615 (2020)
Country United States of America
State Iowa (United States)
County Benton County
Postal code 52249
Area 1.17 km2
Latitude & Longitude 41.9983,-92.1974
Altitude 883 feet / 269 meters
Time Zone America/Chicago
Local time 23:54:56 (15th April 2026)
Density 526 Pop. per km² as of 2020
Population growth -1.14% (2010-2020)
Weather 58℉ Chance Showers And Thunderstorms 7-days weather

Geography

Keystone is located at 41°59'54"N 92°11'51"W (41.9983300, -92.1974100).

Keystone map

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Weather

58°F
Chance Showers And Thunderstorms
5 mph W Overnight

A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 58, with temperatures rising to aro...

7-Day Forecast

Demographics

According to census records, the population of Keystone decreased by 1.14% in 10 years.

Year Population % Change Method
2010 622 - census
2011 618 -0.65% estimation process
2012 613 -0.82% estimation process
2013 611 -0.33% estimation process
2014 612 0.16% estimation process
2015 612 0% estimation process
2016 612 0% estimation process
2017 612 0% estimation process
2018 606 -0.99% estimation process
2019 612 0.98% estimation process
2020 615 0.49% estimation process
Keystone zip code is 52249. County name: Benton, County fips: 19011

Nearby Schools and Colleges

Schools and campuses linked to Keystone, IA. Select a name to open its map and contact details.

Code Name City ZIP
153083 Capri College-Cedar Rapids Cedar Rapids (IA) 52404

Nearby Transit Stations (1)

Rail and bus stations connected to Keystone, IA. Select a station to open its map and address details.

Code Name Address Type
OTM Ottumwa station 210 West Main Street RAIL

Closest post offices linked to Keystone.

Post Office Name City ZIP
Keyston Post Office Keystone (IA) 52249

Other places with the same name (3)

  • Keystone, Florida census-designated place in Hillsborough County, Florida with a population of 24,039 people.
  • Keystone, South Dakota town in Pennington County, South Dakota with a population of 352 people.
  • Keystone, West Virginia city in McDowell County, West Virginia, United States of America with a population of 213 people.

Other cities in Benton County

Cities, towns, neighborhoods & other populated places in Benton County , IA.

City Name Population Title
Vinton 5,019 City in Iowa
Belle Plaine 2,417 City in Iowa, United States
Atkins 1,978 City in Benton County, Iowa, United States
Urbana 1,498 City in Benton County, Iowa, United States
Walford 1,436 City in Iowa, United States of America
Shellsburg 957 Human settlement in Benton County, Iowa, United States of America
Newhall 846 City in Iowa, United States
Blairstown 653 City in Benton County, Iowa, United States
Van Horne 646 Human settlement in Benton County, Iowa, United States of America
Norway 528 City in Iowa, United States
Garrison 355 City in Benton County, Iowa, United States
Geneva 154 City in Franklin County, Iowa, United States
Mount Auburn 144 Human settlement in Benton County, Iowa, United States of America
Luzerne 92 City in Benton County, Iowa, United States