County · Colorado

Larimer County, Colorado

Larimer County, Colorado. Larimer County had 377,292 residents in 2025 by the Census Bureau's estimate, up 5.1% since 2020, faster than Colorado (+4.1%). It holds 10 places (8 cities, villages and boroughs and 2 census-designated) and 86 census tracts. GEOID 08069.

Larimer County is the county of the Fort Collins-Loveland, CO metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

377,292

Census Bureau estimate (no margin published)
2020 Census count: 359,066 · ACS 2020-2024: 367,368

Median household income

$93,765

±$1,936 (90% margin)
Colorado: $95,470

Median home value

$569,100

±$7,549 (90% margin)
Colorado: $539,400

Median gross rent

$1,716

±$22 (90% margin)
Colorado: $1,761

How many people live in Larimer County, and is it growing?

The 2020 Census counted 359,066 residents in Larimer County. The Census Bureau estimates 377,292 for July 1, 2025, up 5.1% since 2020, faster than Colorado (+4.1%). The 2020-2024 American Community Survey puts the population at 367,368 over 2,596 square miles of land.

  • July 2020→2021 +2,923 (362,865)
  • 2021→2022 +5,107 (367,972)
  • 2022→2023 +3,220 (371,192)
  • 2023→2024 +3,008 (374,200)
  • 2024→2025 +3,092 (377,292)
Larimer County in Colorado. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureLarimer CountyColoradoChange since 2015-2019
Total population367,3685,862,189+22,582
Households154,232±7802,374,218+17,211
Average household size2.31±0.012.42−0.14
Housing units164,690±1272,589,053+16,461

Larimer County's population since 2000

From 251,494 in 2000 to 377,292 in 2025: up 50.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 251,494
  • 2005 (estimate) 275,116
  • 2010 Census 299,630
  • 2015 (estimate) 333,637
  • 2020 Census 359,066
  • 2025 (estimate) 377,292

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Larimer County?

Larimer County holds 10 places: 8 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Fort Collins with 171,500 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Larimer County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Fort Collinscity169,810170,229±96$85,070$577,90015.8%100%
Lovelandcity76,37878,410±65$84,604$479,0008.5%100%
Wellingtontown11,04711,798±21$107,017$464,2008.8%100%
Berthoudtown10,33212,411±187$119,385$533,5004.6%97%
Windsortown32,71637,914±63$127,028$604,0006.0%24%
Timnathtown6,4878,941±37$178,257$730,1004.4%100%
Estes Parktown5,9045,844±41$85,956$664,2008.0%100%
Johnstowntown17,30318,883±51$128,995$540,3003.7%27%
LaporteCDP2,4091,771±351$87,313$452,60010.6%100%
Red Feather LakesGEOID 0863320CDP426365±253$138,696$356,9007.7%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Larimer County?

The median resident of Larimer County is 36.8 years old; 18.3% are under 18 and 17.4% are 65 or older. The largest group is non-Hispanic white residents at 79.2%, then Hispanic or Latino residents (of any race) at 12.9%. 5.5% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureLarimer CountyColoradoChange since 2015-2019
Median age36.8±0.237.7+0.8
Under 18 years18.3%±0.1 pts21.0%–
65 years and over17.4%±0.1 pts15.6%–
Hispanic or Latino (any race)12.9%22.5%+1.4 pts
White alone, not Hispanic79.2%±0.2 pts64.8%−3.4 pts
Black or African American alone, not Hispanic1.0%±0.1 pts3.8%no clear change
Asian alone, not Hispanic2.2%±0.1 pts3.2%no clear change
American Indian and Alaska Native alone, not Hispanic0.2%±0.1 pts0.4%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.1%±0.1 pts0.1%–
Two or more races, not Hispanic3.8%±0.2 pts4.6%–
Some other race alone, not Hispanic0.6%±0.2 pts0.5%–
Born outside the United States5.5%±0.4 pts9.8%no clear change
Speak a language other than English at home (age 5+)8.6%±0.5 pts16.2%–
Civilian veterans (age 18+)6.1%±0.3 pts7.5%–
With a disability10.7%±0.5 pts11.4%–
No health insurance coverage5.6%±0.5 pts7.7%no clear change
High school graduate or higher (age 25+)96.5%±0.3 pts92.9%–
Bachelor's degree or higher (age 25+)53.0%±1.0 pts45.7%+5.7 pts
Graduate or professional degree (age 25+)21.5%±0.8 pts17.6%–
Moved from another state in the past year4.5%±0.4 pts3.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Larimer County earn?

Half of Larimer County's 154,232 households earn less than $93,765 a year (±$1,936), against $95,470 in Colorado. In 2015-2019 the median was $88,464 in 2024 dollars, so it rose by $5,301 after inflation. 11.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureLarimer CountyColoradoChange since 2015-2019
Median household income$93,765±$1,936$95,470+$5,301
Mean household income$122,424±$2,513$128,255–
Per capita income$51,165±$954$52,636+$5,183
People below the poverty line11.2%±0.6 pts9.4%no clear change
Children under 18 below the poverty line8.2%±1.3 pts11.1%no clear change
Households receiving SNAP7.7%±0.6 pts8.5%–
Households with a broadband subscription93.1%±0.5 pts93.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Larimer County?

Owners occupy 64.0% of Larimer County's occupied homes and renters 36.0%. The median owner-occupied home is valued at $569,100 by its owner (±$7,549). The median renter pays $1,716 a month including utilities, and 45.0% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureLarimer CountyColoradoChange since 2015-2019
Median home value (owner-occupied)$569,100±$7,549$539,400+$121,374
Median gross rent$1,716±$22$1,761+$120
Renters paying 35% or more of income on rent45.0%±2.1 pts42.7%no clear change
Median monthly owner costs, with a mortgage$2,305±$29$2,326–
Owner-occupied homes64.0%±0.8 pts66.2%no clear change
Housing units164,690±1272,589,053+16,461
Homeowner vacancy rate0.7%±0.2 pts0.8%–
Rental vacancy rate3.3%±0.8 pts5.1%–
Single-family detached homes64.4%±0.8 pts61.4%–
Mobile homes3.3%±0.3 pts3.5%–
Built 2020 or later3.5%±0.4 pts3.0%–
Built 1939 or earlier5.0%±0.3 pts7.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Larimer County building?

Builders took permits for 2,436 new housing units across Larimer County in 2025 (985 single-family), 6.5 per 1,000 residents.

  • 2019 2,490 units
  • 2020 2,565 units
  • 2021 3,221 units
  • 2022 2,572 units
  • 2023 2,686 units
  • 2024 1,786 units
  • 2025 2,436 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Larimer County get to work?

66.3% of Larimer County's workers drive alone and 21.4% work from home. The average trip to work takes 23.4 minutes. The unemployment rate in 2020-2024 averaged 4.8%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureLarimer CountyColoradoChange since 2015-2019
In the labor force (age 16+)66.9%±0.7 pts68.6%–
Unemployment rate4.8%±0.4 pts4.6%no clear change
Drove alone to work66.3%±1.1 pts65.1%–
Carpooled5.6%±0.4 pts7.7%–
Public transportation0.7%±0.2 pts1.6%–
Walked2.7%±0.3 pts2.5%–
Worked from home21.4%±1.0 pts21.0%+12.8 pts
Mean travel time to work23.4 min±0.525.2 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Larimer County's census tracts?

Larimer County is divided into 86 census tracts. Among those with a reliable estimate, median household income runs from $27,168 (Tract 6) to $181,458 (Tract 11.14).

All 86 census tracts of Larimer County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Larimer County compare with Colorado's other counties?

Larimer County's rank among Colorado's counties with a reliable estimate (1 = highest)
MeasureRank
Population7th of 64
Growth 2020-202516th of 64
Residents per square mile9th of 64
Median household income18th of 64
Median home value19th of 64
Median gross rent15th of 63
Poverty rate30th of 63
Bachelor's degree or higher12th of 64
Median age59th of 64

Every county in Colorado

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Larimer County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.