ZIP code · Fairfield · Pennsylvania · United States
ZIP code 17320 — Fairfield
ZIP code 17320 serves Fairfield, Pennsylvania.
- Postal code
- 17320Single source Value from one source, not cross-checked.
- City
- Fairfield
- County
- Adams FIPS 42001
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 39.7808, -77.3619 — precision precise (locality)
View on OpenStreetMap - Population
- 8,103 (ZCTA, ACS 5-year)
- Population density
- 142 / sq mi
- Land area
- 57 sq mi (147.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $87,321
- Per-capita income
- $43,146
- Median age
- 45.8
- Households
- 3,193
- Housing units
- 3,454
- Median home value
- $283,000
- Median gross rent
- $1,252 / month
- Congressional district
- PA-13 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 17320 with another ZIP · ZIPs within 25 miles · distance from 17320
Map of ZIP code 17320
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 41 | 49 | 62 | 72 | 81 | 85 | 83 | 77 | 65 | 53 | 42 |
| Avg low °F | 20 | 21 | 28 | 38 | 49 | 58 | 62 | 60 | 53 | 41 | 32 | 25 |
| Precip in | 3.5 | 2.7 | 4.0 | 4.1 | 4.4 | 3.9 | 4.1 | 3.9 | 4.9 | 4.0 | 3.3 | 3.7 |
NOAA 1991–2020 climate normals from the nearest station: CASHTOWN 1S (7.0 mi) · NOAA NCEI
Places in ZIP 17320
- 3 schools
- 1 supermarkets
- 1 restaurants & cafés
- 1 parks
- 6 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 7 places of worship
- 1 gas stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page