Larimer County, Colorado

Larimer County: County in Colorado, United States

About

Larimer County is a county located in the U.S. state of Colorado. As of the 2010 census, the population was 299,630 and a population density of 44 people per km². After 10 years in 2020 county had an estimated population of 360,428 inhabitants. Its county seat is Fort Collins. The county was created 164 years ago in 1860.

Larimer County locator map
Location of Larimer County on Colorado map.

Quick Facts about Larimer County

Population : 360,428 (2020)
Country : United States of America
State : Colorado (United States)
Twitter username : larimercounty
Area : 6822 km2
Water as percent of area : 1.4%
Land as percent of area : 98.6%
Named for : William Larimer, Jr.
Altitude : 7,356 feet / 2242 meters
Capital : Fort Collins
Establishment : January 01, 1861
Time Zone : America/Denver
Local time : 01:59:37 (22nd February 2025)
Density : 53 Pop. per km² as of 2020
Population growth : 16.87% (2010-2020)
Larimer County Justice Center NE corner image
Larimer County Justice Center NE corner
Larimer County Justice Center NE corner image
Larimer County Justice Center NE corner image

Geography

Larimer County is located at 40°39'59"N 105°27'40"W (40.6664100, -105.4611600). It has 5 neighbors: Albany County, Boulder County, Jackson County, Weld County and Laramie County.

Larimer County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Larimer County is Fort Collins with a population of 168,234. Other cities include, Loveland population 83,517, Timnath population 3,193 and Campion population 1,839. See all Larimer County cities & populated places.

Larimer County Populated Places

Cities, towns, neighborhoods & other populated places in Larimer County.

City Name Population Title
Fort Collins 168,234 The fifth most populous city in Colorado.
Loveland 83,517 The eighth most populous city in Colorado.
Berthoud 10,806 Town of the United States
Wellington 9,620 Town in Colorado, United States
Estes Park 6,553 Town in Larimer County, Colorado, United States
Timnath 3,193 Human settlement in Larimer County, Colorado, United States of America
Campion 1,839 Unincorporated community in Colorado

Larimer County has 5 neighbours.

Demographics

The population of Larimer County increased by 16.87% in 10 years.

Year Population % Change Method
2010 299,630 - census
2011 305,246 1.84% estimation process
2012 310,842 1.8% estimation process
2013 316,225 1.7% estimation process
2014 324,008 2.4% estimation process
2015 333,303 2.79% estimation process
2016 338,984 1.68% estimation process
2017 344,084 1.48% estimation process
2018 350,660 1.88% estimation process
2019 356,899 1.75% estimation process
2020 360,428 0.98% estimation process

Comitatul Larimer, Comte de Larimer, Comté de Larimer, Condado de Larimer, Condado han Larimer, Contea di Larimer, Hrabstwo Larimer, Larimer, Larimer Kun, Larimer Kūn, Larimer konderria, Larimer megye, Larimer srjan, Larimeri maakond, Larimur, Okrug Larimer, Quan Larimer, Quận Larimer, la li mo er xian, larimera ka'unti, mqatʿt larymyr, rarima jun, Лаример, Ларимър, Ларімер, Округ Лаример, Լարիմեր շրջան, لاریمر کاؤنٹی, لیمیمر کاؤنٹی، کولوراڈو, مقاطعة لاريمير, লারিমের কাউন্টি, ラリマー郡, 拉里默爾縣

Colorado Other Counties (more counties)

County Name Population Title
Denver 735,538 The twentieth most populous city in the United States and the center of the Denver metropolitan area.
Denver County 735,538 County in Colorado, United States, coterminous with the City of Denver
El Paso County 728,310 One of the 64 counties in the U.
Arapahoe County 657,452 County in Colorado, United States
Jefferson County 583,283 County in Colorado, United States
Adams County 519,883 County in Colorado, United States
Colorado Springs 482,131 The second most populous city in Colorado and the center of the Colorado Springs metropolitan area.
Aurora 387,377 The third most populous city in Colorado and the center of the Denver metropolitan area.
Douglas County 360,750 County in Colorado, United States
Weld County 333,983 County in Colorado, United States
Boulder County 327,171 County in Colorado, United States
Pueblo County 169,823 County in Colorado, United States
Fort Collins 168,234 The fifth most populous city in Colorado.
Lakewood 157,429 The fifth most populous city in Colorado.
Mesa County 155,603 County in Colorado, United States
Thornton 148,113 The seventh most populous city in Colorado.