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 |
| Altitude : | 883 feet / 269 meters |
| Time Zone : | America/Chicago |
| Local time : | 06:48:20 (5th December 2025) |
| Density : | 526 Pop. per km² as of 2020 |
| Population growth : | -1.14% (2010-2020) |
Geography
Keystone is located at 41°59'54"N 92°11'51"W (41.9983300, -92.1974100).
Keystone map
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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 |
Schools in Keystone
College & universities near Keystone, IA
| Code | Name | City | ZIP |
|---|---|---|---|
| 153083 | Capri College-Cedar Rapids | Cedar Rapids (IA) | 52404 |
Stations (1)
Amtrak & bus stations near Keystone, IA
| Code | Name | Address | Type |
|---|---|---|---|
| OTM | Ottumwa station | 210 West Main Street | RAIL |
Post offices near Keystone
| Post Office Name | City | ZIP |
|---|---|---|
| Keyston Post Office | Keystone (IA) | 52249 |
Other places with the same name (4)
- 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 |
