Gilmer County
West Virginia · County seat: Glenville · Active county or equivalent
FIPS code 54021 is Gilmer County, West Virginia. With a population of 7,444 (2022 ACS estimate), it ranks #51 in West Virginia and #2691 nationally. The state FIPS code for West Virginia is 54. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
54021
Population
7,444
2022 ACS · #2691 nationally
Density
22.0/mi²
people per sq mile
Land Area
339
sq miles
Urban/Rural
Nonmetro — completely rural
RUCC 9
How This FIPS Code Works
The 5-digit FIPS code 54021 is formed by combining the 2-digit state identifier 54 (West Virginia) with the 3-digit county identifier 021. Together they uniquely identify Gilmer County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 54021
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 54021.
Median Household Income
$51,552
ACS B19013_001E
Poverty Rate
11.1%
ACS B17001 (below poverty level)
Median Age
40.5
ACS B01002_001E
Adjacent Counties (5)
Counties that share a border with Gilmer County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 54021.
Federal Datasets Using Code 54021
FIPS code 54021 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 54021 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:021",
"in": "state:54",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Gilmer County, West Virginia, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '54021';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '54'
AND county_fips = '021';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 54021 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "54",
county = "021",
year = 2022
)ZIP Codes in Gilmer 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 Gilmer County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 26430 | 100.0% |
| 26611 | 100.0% |
| 26342 | 100.0% |
| 26351 | 95.7% |
| 25267 | 90.5% |
| 26443 | 86.6% |
| 26638 | 84.9% |
| 26384 | 84.9% |
| 26137 | 44.1% |
| 26636 | 43.5% |
| 26335 | 29.4% |
| 26412 | 19.3% |
| 26147 | 7.7% |
| 26624 | 5.5% |
| 26623 | 2.2% |
| 26411 | 2.1% |