Perry County
Mississippi · County seat: New Augusta · Active county or equivalent
FIPS code 28111 is Perry County, Mississippi. With a population of 11,511 (2022 ACS estimate), it ranks #65 in Mississippi and #2378 nationally. Perry County is part of the Hattiesburg, MS. The state FIPS code for Mississippi is 28. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
28111
Population
11,511
2022 ACS · #2378 nationally
Density
17.8/mi²
people per sq mile
Land Area
647
sq miles
Urban/Rural
Metro — under 250K population
RUCC 3
How This FIPS Code Works
The 5-digit FIPS code 28111 is formed by combining the 2-digit state identifier 28 (Mississippi) with the 3-digit county identifier 111. Together they uniquely identify Perry County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 28111
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 28111.
Median Household Income
$48,333
ACS B19013_001E
Poverty Rate
20.6%
ACS B17001 (below poverty level)
Median Age
42.3
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with Perry County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 28111.
Federal Datasets Using Code 28111
FIPS code 28111 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 28111 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:28",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Perry County, Mississippi, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '28111';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '28'
AND county_fips = '111';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 28111 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "28",
county = "111",
year = 2022
)ZIP Codes in Perry 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 Perry County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 39462 | 100.0% |
| 39423 | 97.3% |
| 39425 | 79.5% |
| 39476 | 41.9% |
| 39456 | 30.2% |
| 39577 | 28.6% |
| 39465 | 23.1% |
| 39464 | 15.7% |