FIPS code 22003 is Allen Parish, Louisiana. With a population of 22,798 (2022 ACS estimate), it ranks #39 in Louisiana and #1730 nationally. The state FIPS code for Louisiana is 22. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
22003
Population
22,798
2022 ACS · #1730 nationally
Density
29.9/mi²
people per sq mile
Land Area
762
sq miles
Urban/Rural
Nonmetro — urban 2.5K–19.9K, adjacent to metro
RUCC 6
How This FIPS Code Works
The 5-digit FIPS code 22003 is formed by combining the 2-digit state identifier 22 (Louisiana) with the 3-digit county identifier 003. Together they uniquely identify Allen Parish in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 22003
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 22003.
Median Household Income
$52,755
ACS B19013_001E
Poverty Rate
19.6%
ACS B17001 (below poverty level)
Median Age
38.5
ACS B01002_001E
Adjacent Counties (5)
Counties that share a border with Allen Parish. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 22003.
Federal Datasets Using Code 22003
FIPS code 22003 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 22003 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:003",
"in": "state:22",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Allen Parish, Louisiana, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '22003';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '22'
AND county_fips = '003';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 22003 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "22",
county = "003",
year = 2022
)ZIP Codes in Allen Parish
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 Allen Parish. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 70644 | 100.0% |
| 70658 | 100.0% |
| 70638 | 100.0% |
| 70655 | 100.0% |
| 70654 | 100.0% |
| 70651 | 100.0% |
| 70648 | 72.6% |
| 71463 | 59.9% |
| 70637 | 52.0% |
| 70532 | 36.1% |
| 70657 | 25.3% |
| 70656 | 23.5% |
| 70662 | 5.3% |