What is the population of Keystone?

The population of Keystone, IA is 615.

Where is Keystone located?

Keystone, IA is located at latitude 41.9983300 and longitude -92.1974100. It is in United States.

What is the area of Keystone?

The area of Keystone, IA is 1.169172 km².

What is the elevation of Keystone?

Keystone, IA has an elevation of 269 meters (883 feet) above sea level.

What time zone is Keystone in?

Keystone, IA is in the America/Chicago time zone.

What state is Keystone in?

Keystone is in the state of Iowa, United States.

What county is Keystone, IA in?

Keystone is in Benton County, Iowa.

How has the population of Keystone changed?

The population of Keystone, IA has decreased from 622 (2010) to 615 (2020), a change of -1.1%.

Keystone, IA - Geographic Facts & Maps

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	14:46:38 (15th October 2026)
Density	526 Pop. per km² as of 2020
Population growth	-1.13% (2010-2020)
Weather	58℉ 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

Showers And Thunderstorms

5 to 10 mph NE Today

Showers and thunderstorms. Cloudy, with a high near 58. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New...

7-Day Forecast

Demographics

According to census records, the population of Keystone decreased by 1.13% in 10 years.

Year	Population	% Change	Method
2010	622	-	census
2011	618	-0.64%	estimation process
2012	613	-0.81%	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	-0.98%	estimation process
2019	612	0.99%	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

Nearby Post Offices

Closest post offices linked to Keystone.

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

Other cities in Benton County

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

City Name	Population	Title
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

Keystone, Iowa