FIPS code 26005 is Allegan County, Michigan. With a population of 120,189 (2022 ACS estimate), it ranks #18 in Michigan and #522 nationally. Allegan County is part of the Holland, MI. The state FIPS code for Michigan is 26. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
26005
Population
120,189
2022 ACS · #522 nationally
Density
145.6/mi²
people per sq mile
Land Area
825
sq miles
Urban/Rural
Nonmetro — urban 20K+, adjacent to metro
RUCC 4
How This FIPS Code Works
The 5-digit FIPS code 26005 is formed by combining the 2-digit state identifier 26 (Michigan) with the 3-digit county identifier 005. Together they uniquely identify Allegan County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 26005
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 26005.
Median Household Income
$75,543
ACS B19013_001E
Poverty Rate
9.5%
ACS B17001 (below poverty level)
Median Age
40.4
ACS B01002_001E
Metropolitan Area
Adjacent Counties (8)
Counties that share a border with Allegan County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 26005.
Federal Datasets Using Code 26005
FIPS code 26005 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 26005 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:005",
"in": "state:26",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Allegan County, Michigan, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '26005';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '26'
AND county_fips = '005';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 26005 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "26",
county = "005",
year = 2022
)ZIP Codes in Allegan 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 Allegan County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 49450 | 100.0% |
| 49070 | 100.0% |
| 49328 | 100.0% |
| 49335 | 100.0% |
| 49406 | 100.0% |
| 49408 | 100.0% |
| 49419 | 100.0% |
| 49453 | 100.0% |
| 49010 | 99.0% |
| 49323 | 99.0% |
| 49348 | 91.2% |
| 49078 | 84.8% |
| 49344 | 84.8% |
| 49423 | 84.1% |
| 49080 | 53.0% |
| 49090 | 41.0% |
| 49056 | 36.8% |
| 49316 | 18.3% |
| 49434 | 11.2% |
| 49026 | 11.2% |
| 49315 | 10.1% |
| 49055 | 6.8% |
| 49464 | 5.2% |
| 49333 | 1.3% |
| 49426 | 0.5% |