Larimer County, Colorado
Larimer County, Colorado, has 377,292 residents (July 2025 estimate). Its county seat is Fort Collins. It uses Mountain Time and covers 2,596 sq mi (6,723 km²) of land.
- Resident population, July 2025
- 377,292
- Land area
- 2,596 sq mi (6,723 km²)
- County seat or government
- Fort Collins
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $93,765 ± $1,936
- Median home value
- $569,100 ± $7,549
- Median rent, with utilities
- $1,716 ± $22
- Homes lived in by their owners
- 64% ± 0.7 points
- County type
- County
- Metro or micro area
- Fort Collins-Loveland, CO metro areaCentral county
- Water area
- 38.2 sq mi (99 km²)
- State
- Colorado
- County code (FIPS)
- 08069
- Coordinates (central point)
- 40.658093, -105.486764
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Larimer County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Mountain TimeAmerica/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 8050463,451 people
- 8052554,211 people
- 8053850,110 people
- 8055046,456 people
- 8053744,425 people
- 8052644,326 people
- 8052440,030 people
- 8052138,776 people
- 8050335,846 people
- 8052824,960 people
- 8053420,502 people
- 8051318,271 people
All 24
24 ZIP Code areas overlap Larimer County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Larimer County, largest first
- Poudre School District R-1224,368 people
- St. Vrain Valley School District RE 1J200,423 people
- Thompson School District R-2J132,014 people
- Johnstown-Milliken School District RE-5J25,735 people
- Estes Park School District R-311,940 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Fort Collins, Colorado (city)170,229 people
- Loveland, Colorado (city)78,410 people
- Windsor, Colorado (town)37,914 people
- Johnstown, Colorado (town)18,883 people
- Berthoud, Colorado (town)12,411 people
- Wellington, Colorado (town)11,798 people
- Timnath, Colorado (town)8,941 people
- Estes Park, Colorado (town)5,844 people
- Laporte, Colorado (CDP)1,771 people
- Red Feather Lakes, Colorado (CDP)365 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Boulder County, Colorado39 mi south
- Jackson County, Colorado44 mi west
- Grand County, Colorado50 mi southwest
- Weld County, Colorado58 mi east
- Laramie County, Wyoming61 mi northeast
- Albany County, Wyoming71 mi north
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.