Greene County
Pennsylvania · County seat: Waynesburg · Active county or equivalent
FIPS code 42059 is Greene County, Pennsylvania. With a population of 35,781 (2022 ACS estimate), it ranks #58 in Pennsylvania and #1312 nationally. The state FIPS code for Pennsylvania is 42. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
42059
Population
35,781
2022 ACS · #1312 nationally
Density
62.1/mi²
people per sq mile
Land Area
576
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 42059 is formed by combining the 2-digit state identifier 42 (Pennsylvania) with the 3-digit county identifier 059. Together they uniquely identify Greene County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 42059
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 42059.
Median Household Income
$66,283
ACS B19013_001E
Poverty Rate
12.9%
ACS B17001 (below poverty level)
Median Age
43.1
ACS B01002_001E
Adjacent Counties (5)
Counties that share a border with Greene County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 42059.
Federal Datasets Using Code 42059
FIPS code 42059 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 42059 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:059",
"in": "state:42",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Greene County, Pennsylvania, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '42059';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '42'
AND county_fips = '059';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 42059 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "42",
county = "059",
year = 2022
)
ZIP Codes in Greene 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 Greene County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 15310 | 100.0% |
| 15315 | 100.0% |
| 15316 | 100.0% |
| 15320 | 100.0% |
| 15357 | 100.0% |
| 15359 | 100.0% |
| 15362 | 100.0% |
| 15364 | 100.0% |
| 15380 | 100.0% |
| 15325 | 100.0% |
| 15327 | 100.0% |
| 15334 | 100.0% |
| 15337 | 100.0% |
| 15338 | 100.0% |
| 15341 | 100.0% |
| 15344 | 100.0% |
| 15346 | 100.0% |
| 15349 | 100.0% |
| 15351 | 100.0% |
| 15352 | 100.0% |
| 15353 | 100.0% |
| 15370 | 100.0% |
| 15322 | 80.6% |
| 15377 | 30.7% |
| 15329 | 28.1% |
| 15345 | 3.6% |