Tioga County
Pennsylvania · County seat: Wellsboro · Active county or equivalent
FIPS code 42117 is Tioga County, Pennsylvania. With a population of 41,186 (2022 ACS estimate), it ranks #51 in Pennsylvania and #1171 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
42117
Population
41,186
2022 ACS · #1171 nationally
Density
36.3/mi²
people per sq mile
Land Area
1,134
sq miles
Urban/Rural
Nonmetro — rural, adjacent to metro
RUCC 8
How This FIPS Code Works
The 5-digit FIPS code 42117 is formed by combining the 2-digit state identifier 42 (Pennsylvania) with the 3-digit county identifier 117. Together they uniquely identify Tioga County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 42117
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 42117.
Median Household Income
$59,707
ACS B19013_001E
Poverty Rate
12.2%
ACS B17001 (below poverty level)
Median Age
45.0
ACS B01002_001E
Adjacent Counties (5)
Counties that share a border with Tioga County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 42117.
Federal Datasets Using Code 42117
FIPS code 42117 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 42117 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:117",
"in": "state:42",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [Tioga County, Pennsylvania, income, pop, ...]-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '42117';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '42'
AND county_fips = '117';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 42117 is WRONG for this countylibrary(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "42",
county = "117",
year = 2022
)ZIP Codes in Tioga 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 Tioga County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 16901 | 100.0% |
| 16911 | 100.0% |
| 16912 | 100.0% |
| 16917 | 100.0% |
| 16920 | 100.0% |
| 16928 | 100.0% |
| 16929 | 100.0% |
| 16932 | 100.0% |
| 16933 | 100.0% |
| 16935 | 100.0% |
| 16939 | 100.0% |
| 16940 | 100.0% |
| 16942 | 100.0% |
| 16946 | 100.0% |
| 16921 | 98.7% |
| 16950 | 83.3% |
| 16936 | 82.9% |
| 16930 | 74.7% |
| 16938 | 72.8% |
| 17727 | 58.9% |
| 17765 | 56.8% |
| 16943 | 41.3% |
| 17724 | 16.8% |
| 16947 | 12.8% |
| 16914 | 6.8% |