ZIP Codes of Forest County, PA

Population & People
Population & People
Total Population
7,171
Household Income
Household Income
Median Income
$43,390
Housing
Housing
Total Housing Units
6,989
Business & Economy
Business & Economy
Total Businesses
112
Employment
Employment
Employment Rate
29.74%
Education
Education
Bachelor's Degree+
12.90%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (4 Standard, 3 PO Box, 0 Unique) [See All]
Area Codes:582 / 814
Timezone:Eastern (GMT -05:00)
Local Time:2:13:31 PM
Population:7,171 [See All]
FIPS:42053
Land Area:388 sq mi
Water Area:3 sq mi
Coordinates:41.4890, -79.2999
Quick Link:
https://www.zip-codes.com/county/pa-forest.asp
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Notable population decline
Lost 15.8% of residents since 2014.

Standout ZIPs in this County


Most Populous
Marienville · 3,951 people
55.1% of county total
Highest Income
Cooksburg · $56,250 median
1.3× county average
Largest Land Area
Marienville · 165.0 sq mi
Spans the most ground
Fastest Growth
Tionesta · -14.0% (10-yr)
2,876 → 2,473 residents
Most Educated
Tionesta · 15.1% bachelor's+
299 of 1,986 adults 25+

Things worth knowing about Forest County


7,171 residents live across 7 ZIPs covering 388 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 8,515 to 7,171 from 2014 to 2024 — a -15.8% change. 2 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 16217 (Cooksburg, $56,250 median) and poorest ZIP 16322 (Endeavor, $23,854) are 19.0 miles apart — a 2.4× income gap across local geography.

Median home values vary 2.5× across this county — from $107,400 in 16239 (Marienville) to $269,400 in 16217 (Cooksburg).

Density varies across the county — from 9 people/sq mi in 16217 (Cooksburg) to 44 in 16322 (Endeavor).

Educational attainment ranges from 3.9% bachelor's+ in 16217 (Cooksburg) to 16.2% in 15828 (Clarington) — the breadth of educational profiles across the area.

Within Pennsylvania, this is the #65 most populous of 67 counties and ranks #67 for median household income .

Weighted by population, the typical household earns about $51,768 across the county — reflecting what a typical resident sees, not a simple ZIP average.

12.9% of adults age 25+ hold a bachelor's degree or higher (800 of 6,200 reporting).

4 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Forest County


Population decline

Forest County lost 15.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Marienville
-17.4%
4,785 → 3,951 residents
Tionesta
-14.0%
2,876 → 2,473 residents

All ZIP Codes in Forest County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
16239MarienvilleStandard3,951$52,121165.0-17.4%
16353TionestaStandard2,473$56,034160.8-14.0%
15828ClaringtonStandard285$36,25025.91.4%
16370West HickoryPO Box215$35,83322.5-2.3%
16322EndeavorPO Box159$23,8543.63.9%
16217CooksburgStandard77$56,2508.3-37.9%
16321East HickoryPO Box112.3-85.5%

Adjacent & Nearby Counties