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ZIP Code 18820
Harford, PA, Susquehanna County
Population
36
Land area
1.8sq mi
People per sq mi
21
City
Harford
ZIP 18820 and nearby ZIP codes
ZIP 18820 at a glance
- ZIP 18820 (Harford) is 93% less dense than Pennsylvania as a whole.
Local data for ZIP 18820
Counts from official public data
Environment and hazard risk
ZIP 18820, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: landslide
Storm events since 1996
634
Countywide, mostly thunderstorm wind
Flood insurance policies
176
1.1% of homes, county
July high / Jan low
77° / 12°F
51.4 inches of rain a year
Frequently asked questions
- What city is ZIP code 18820?
- ZIP code 18820 is in Harford, PA (Susquehanna County).
- What county is ZIP code 18820 in?
- ZIP code 18820 is mostly in Susquehanna County, Pennsylvania.
- How many people live in ZIP code 18820?
- About 36 people live in the 18820 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.