Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/CO/COUNTY/LARIMER

Larimer County, CO ZIP codes

There are 25 ZIP codes in Larimer County, CO, in 14 towns, from 80511 to 82063. The largest are 80525 (Fort Collins), 80538 (Loveland) and 80526 (Fort Collins).

The county seat is Fort Collins.

ZIP codes
25
Towns
14
County seat
Fort Collins
County FIPS
08069
Population
367,368
Median household income
$93,765
Land area
2,596 sq mi
Area code
970

Larimer County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Larimer County ZIP codes

80511805128051380515805178052180522805238052480525805268052780528805328053580536805378053880539805418054580547805498055382063

The ZIP codes of Larimer County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Larimer County in numbers

About 367,368 people live in Larimer County, in 154,232 households, the 7th most populous of Colorado's 64 counties. The median household income is $93,765 a year, about the same as the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $569,100 (6% above the Colorado median), and median gross rent is $1,716 a month. The median age is 36.8; 53.0% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 23 minutes.

Population367,368Larimer367,368
Households154,232Larimer154,232
Median age36.8Larimer36.8Colorado37.7US 38.9
Median household income$93,765Larimer$93,765Colorado$95,470US $80,734
Median home value$569,100Larimer$569,100Colorado$539,400US $332,700
Median gross rent$1,716Larimer$1,716Colorado$1,761US $1,413
Bachelor's degree or higher53.0%Larimer53.0%Colorado45.7%US 35.7%
Mean commute23.4 minLarimer23.4 minColorado25.2 minUS 26.4 min
Population density142 / sq miLarimer142 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Larimer County

Largest towns in Larimer County
TownZIP codesPopulation
Fort Collins 9 170,229
Loveland 3 78,410
Berthoud 1 12,411
Wellington 1 11,798
Timnath 1 8,941
Estes Park 2 5,844
Livermore 1 2,383
Bellvue 1 1,903
Laporte 1 1,771
Drake 1 934
Red Feather Lakes 1 365
Glen Haven 1 185
Jelm 1 62

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Larimer County.

Not sure you are in Larimer County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Larimer County, with figures

ZIP codes in Larimer County
ZIP City Type Population Median income Median home
80511 Estes Park , CO No street area — — —
80512 Bellvue , CO Standard 1,903 $97,837 $625,000
80513 Berthoud , CO Standard 18,271 $126,726 $600,600
80515 Drake , CO Standard 934 $66,615 $544,900
80517 Estes Park , CO Standard 9,657 $95,404 $701,700
80521 Fort Collins , CO Standard 38,776 $58,082 $564,900
80522 Fort Collins , CO No street area — — —
80523 Fort Collins , CO No street area — — —
80524 Fort Collins , CO Standard 40,030 $85,035 $561,400
80525 Fort Collins , CO Standard 54,211 $91,636 $588,400
80526 Fort Collins , CO Standard 44,326 $88,686 $551,800
80527 Fort Collins , CO No street area — — —
80528 Fort Collins , CO Standard 24,960 $130,350 $705,000
80532 Glen Haven , CO Standard 185 $53,295 $311,700
80535 Laporte , CO Standard 1,896 $110,945 $483,300
80536 Livermore , CO Standard 2,383 $117,500 $630,800
80537 Loveland , CO Standard 44,425 $86,325 $484,300
80538 Loveland , CO Standard 50,110 $86,671 $497,700
80539 Loveland , CO No street area — — —
80541 Masonville , CO No street area — — —
80545 Red Feather Lakes , CO Standard 937 $93,207 $394,600
80547 Timnath , CO Standard 8,821 $180,492 $742,300
80549 Wellington , CO Standard 14,325 $107,614 $475,900
80553 Fort Collins , CO No street area — — —
82063 Jelm , WY Standard 62 $105,208 $404,200

Cite this page

zipcodes.pro. “Larimer County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/co/county/larimer

Underlying data is public domain or openly licensed — sources, vintages and licences.