Union Parish
Louisiana · County seat: Farmerville · Active county or equivalent
FIPS code 22111 is Union Parish, Louisiana. With a population of 21,049 (2022 ACS estimate), it ranks #43 in Louisiana and #1813 nationally. Union Parish is part of the Monroe, LA. 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
22111
Population
21,049
2022 ACS · #1813 nationally
Density
24.0/mi²
people per sq mile
Land Area
877
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 22111 is formed by combining the 2-digit state identifier 22 (Louisiana) with the 3-digit county identifier 111. Together they uniquely identify Union Parish in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 22111
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 22111.
Median Household Income
$47,068
ACS B19013_001E
Poverty Rate
26.8%
ACS B17001 (below poverty level)
Median Age
42.5
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Union Parish. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 22111.
Federal Datasets Using Code 22111
FIPS code 22111 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 22111 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:111",
"in": "state:22",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Union Parish, Louisiana, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '22111';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '22'
AND county_fips = '111';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 22111 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "22",
county = "111",
year = 2022
)
ZIP Codes in Union 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 Union Parish. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 71260 | 100.0% |
| 71277 | 100.0% |
| 71241 | 100.0% |
| 71234 | 86.1% |
| 71222 | 73.7% |
| 71280 | 72.6% |
| 71256 | 64.1% |
| 71235 | 3.2% |
| 71749 | 0.1% |
| 71227 | 0.1% |