Kodiak Island Borough
Alaska · County seat: Kodiak · Active county or equivalent
FIPS code 02150 is Kodiak Island Borough, Alaska. With a population of 13,065 (2022 ACS estimate), it ranks #8 in Alaska and #2274 nationally. The state FIPS code for Alaska is 02. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
02150
Population
13,065
2022 ACS · #2274 nationally
Density
2.0/mi²
people per sq mile
Land Area
6,550
sq miles
Urban/Rural
Nonmetro — urban 2.5K–19.9K, not adjacent to metro
RUCC 7
How This FIPS Code Works
The 5-digit FIPS code 02150 is formed by combining the 2-digit state identifier 02 (Alaska) with the 3-digit county identifier 150. Together they uniquely identify Kodiak Island Borough in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 02150
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 02150.
Median Household Income
$91,138
ACS B19013_001E
Poverty Rate
8.0%
ACS B17001 (below poverty level)
Median Age
35.1
ACS B01002_001E
Adjacent Counties (2)
Counties that share a border with Kodiak Island Borough. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 02150.
Federal Datasets Using Code 02150
FIPS code 02150 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 02150 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:150",
"in": "state:02",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Kodiak Island Borough, Alaska, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '02150';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '02'
AND county_fips = '150';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 2150 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "02",
county = "150",
year = 2022
)
ZIP Codes in Kodiak Island Borough
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 Kodiak Island Borough. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 99550 | 100.0% |
| 99608 | 100.0% |
| 99615 | 100.0% |
| 99624 | 100.0% |
| 99643 | 100.0% |
| 99644 | 100.0% |