What is the population of Hartley?

The population of Hartley, IA is 1,556.

Where is Hartley located?

Hartley, IA is located at latitude 43.1799700 and longitude -95.4769500. It is in United States.

What is the area of Hartley?

The area of Hartley, IA is 3.361268 km².

What is the elevation of Hartley?

Hartley, IA has an elevation of 446 meters (1463 feet) above sea level.

What time zone is Hartley in?

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

What state is Hartley in?

Hartley is in the state of Iowa, United States.

What county is Hartley, IA in?

Hartley is in O'Brien County, Iowa.

How has the population of Hartley changed?

The population of Hartley, IA has decreased from 1,672 (2010) to 1,556 (2020), a change of -6.9%.

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Hartley, Iowa

Hartley: human settlement in O'Brien County, Iowa, United States of America

About

Hartley is a city located in the county of O'Brien in the U.S. state of Iowa. Its population at the 2010 census was 1,672 and a population density of 497 people per km². After 10 years in 2020 city had an estimated population of 1,556 inhabitants.

Hartley locator map — Location of Hartley on Iowa map.

Quick Facts about Hartley

Population	1,556 (2020)
Country	United States of America
State	Iowa (United States)
County	O'Brien County
Postal code	51346
Phone Area Codes	712
Area	3.36 km²
Latitude & Longitude	43.1800,-95.4770
Altitude	1,463 feet / 446 meters
Time Zone	America/Chicago
Local time	01:22:14 (18th April 2026)
Density	463 Pop. per km² as of 2020
Population growth	-7.46% (2010-2020)
Weather	47℉ Slight Chance Snow Showers 7-days weather

IAMap-doton-Hartley locator map image

Geography

Hartley is located at 43°10'48"N 95°28'37"W (43.1799700, -95.4769500).

Hartley map

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Weather

47°F

Slight Chance Snow Showers

20 to 25 mph NW Saturday

A slight chance of snow showers. Mostly sunny, with a high near 47.

7-Day Forecast

Official website of Hartley

Official Website

Demographics

According to census records, the population of Hartley decreased by 7.46% in 10 years.

Year	Population	% Change	Method
2010	1,672	-	census
2011	1,655	-1.03%	estimation process
2012	1,645	-0.61%	estimation process
2013	1,631	-0.86%	estimation process
2014	1,628	-0.18%	estimation process
2015	1,609	-1.18%	estimation process
2016	1,609	0%	estimation process
2017	1,580	-1.84%	estimation process
2018	1,580	0%	estimation process
2019	1,574	-0.38%	estimation process
2020	1,556	-1.16%	estimation process

Hartley zip code is 51346. County name: O'Brien, County fips: 19141

Nearby Schools and Colleges

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

Code	Name	City	ZIP
154129	Northwest Iowa Community College	Sheldon (IA)	51201

Nearby Post Offices

Closest post offices linked to Hartley.

Post Office Name	City	ZIP
Hartley Post Office	Hartley (IA)	51346

Other places with the same name (1)

Hartley, Pennsylvania township in western Union County, Pennsylvania with a population of 1,805 people.

Other cities in O'Brien County

Cities, towns, neighborhoods & other populated places in O'Brien County , IA.

City Name	Population	Title
Sheldon	5,071	City in Iowa, United States
Sanborn	1,390	City in Iowa
Paullina	965	City in O'Brien County, Iowa, United States
Primghar	858	City in Iowa
Sutherland	588	City in Iowa
Calumet	155	City in Iowa
Archer	123	City in Iowa, United States

Distance to Other Cities

Hartley distances to largest Iowa cities