Larimer County
Colorado · County seat: Fort Collins · Active county or equivalent
FIPS code 08069 is Larimer County, Colorado. With a population of 359,363 (2022 ACS estimate), it ranks #7 in Colorado and #200 nationally. Larimer County is part of the Fort Collins-Loveland, CO. The state FIPS code for Colorado is 08. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
08069
Population
359,363
2022 ACS · #200 nationally
Density
138.4/mi²
people per sq mile
Land Area
2,596
sq miles
Urban/Rural
Metro — 250K–1M population
RUCC 2
How This FIPS Code Works
The 5-digit FIPS code 08069 is formed by combining the 2-digit state identifier 08 (Colorado) with the 3-digit county identifier 069. Together they uniquely identify Larimer County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 08069
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 08069.
Median Household Income
$87,199
ACS B19013_001E
Poverty Rate
11.5%
ACS B17001 (below poverty level)
Median Age
36.3
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Larimer County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 08069.
Federal Datasets Using Code 08069
FIPS code 08069 appears as the county identifier in the following federal datasets. Analysts joining data across these sources use this code as the common geographic key.
Using FIPS Code 08069 in Code
Common patterns for querying federal datasets by this county's FIPS code. The leading zeros are significant — always treat FIPS codes as strings, not integers.
import requests
url = "https://api.census.gov/data/2022/acs/acs5"
params = {
"get": "NAME,B19013_001E,B01003_001E",
"for": "county:069",
"in": "state:08",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Larimer County, Colorado, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '08069';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '08'
AND county_fips = '069';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 8069 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "08",
county = "069",
year = 2022
)ZIP Codes in Larimer County
ZIP codes do not align perfectly with county boundaries — a single ZIP code can span multiple counties, and a county can contain parts of many ZIP codes. The ratios below (from the Census 2020 ZCTA relationship file) show the land area share of each ZCTA that falls within Larimer County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 80545 | 100.0% |
| 80528 | 100.0% |
| 80532 | 100.0% |
| 80535 | 100.0% |
| 80536 | 100.0% |
| 80538 | 100.0% |
| 80547 | 100.0% |
| 80512 | 100.0% |
| 80515 | 100.0% |
| 80517 | 100.0% |
| 80521 | 100.0% |
| 80525 | 100.0% |
| 80526 | 100.0% |
| 80537 | 97.3% |
| 80549 | 94.8% |
| 82063 | 79.7% |
| 80524 | 75.6% |
| 80513 | 64.2% |
| 80540 | 34.7% |
| 80534 | 19.5% |
| 80612 | 15.2% |
| 80550 | 9.3% |
| 80503 | 2.1% |
| 80504 | 0.6% |