| ZIP Codes: | 20 ZIP Codes (13 Standard, 3 PO Box, 4 Unique) [See All] |
| Area Codes: | 582 / 814 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:33 PM |
| Population: | 36,144 [See All] |
| FIPS: | 42123 |
| CBSA: | Warren, PA |
| Land Area: | 896 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 41.8272, -79.2769 |
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36,144 residents live across 20 ZIPs covering 896 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 39,599 to 36,144 from 2014 to 2024 — a -8.7% change. 4 ZIPs gained residents, 12 lost.
The county's wealthiest ZIP 16345 (Russell, $95,192 median) and poorest ZIP 16352 (Tiona, $40,357) are 10.2 miles apart — a 2.4× income gap across local geography.
Median home values vary 2.4× across this county — from $79,100 in 16347 (Sheffield) to $186,400 in 16345 (Russell).
Density varies 11× across the county — from 11 people/sq mi in 16420 (Grand Valley) to 119 in 16365 (Warren).
Educational attainment ranges from 5.5% bachelor's+ in 16352 (Tiona) to 27.8% in 16345 (Russell) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #56 most populous of 67 counties and ranks #64 for median household income .
Hosts 4 single-entity Unique ZIPs: 16369Crossing Pointe ; 16367New Process Co ; 16366Blair Corp ; and 16368Crossing Pointe .
Weighted by population, the typical household earns about $62,296 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.3% of adults age 25+ hold a bachelor's degree or higher (5,433 of 26,730 reporting).
13 Standard delivery, 3 PO Box only, 4 single-entity Unique ZIPs serve this county.
4 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Warren County lost 8.7% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 16365 | Warren | Standard | 17,292 | $59,206 | 144.9 | -6.0% |
| 16345 | Russell | Standard | 3,436 | $95,192 | 103.6 | 3.0% |
| 16371 | Youngsville | Standard | 3,211 | $57,514 | 30.4 | -1.8% |
| 16350 | Sugar Grove | Standard | 2,477 | $69,792 | 51.1 | -18.0% |
| 16340 | Pittsfield | Standard | 1,763 | $57,446 | 97.9 | -3.9% |
| 16313 | Clarendon | Standard | 1,653 | $53,947 | 97.1 | -12.4% |
| 16347 | Sheffield | Standard | 1,596 | $58,125 | 125.5 | -36.0% |
| 16351 | Tidioute | Standard | 1,576 | $51,515 | 79.4 | 2.3% |
| 16436 | Spring Creek | Standard | 639 | $47,500 | 45.1 | 16.8% |
| 16402 | Bear Lake | Standard | 624 | $54,213 | 21.2 | -18.4% |
| 16420 | Grand Valley | Standard | 515 | $53,750 | 48.3 | -13.7% |
| 16405 | Columbus | Standard | 514 | $73,125 | 24.2 | -39.7% |
| 16329 | Irvine | Standard | 441 | $64,250 | 5.0 | -16.0% |
| 16352 | Tiona | PO Box | 263 | $40,357 | 22.0 | -7.4% |
| 16416 | Garland | PO Box | 113 | $75,093 | 0.1 | -53.5% |
| 16312 | Chandlers Valley | PO Box | 31 | — | 0.0 | 933.3% |
| 16369 | Warren | Unique | — | — | 0.0 | — |
| 16367 | Warren | Unique | — | — | 0.0 | — |
| 16366 | Warren | Unique | — | — | 0.0 | — |
| 16368 | Warren | Unique | — | — | 0.0 | — |