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ZIP Code 18603
Foundryville, PA, Columbia County
Population
18,827
Land area
53.4sq mi
People per sq mi
353
City
Foundryville
ZIP 18603 and nearby ZIP codes
ZIP 18603 at a glance
- The median household income is $60,352, 23% below the Pennsylvania median of $77,971.
- A typical owner-occupied home is valued at $170,500 (33% below Pennsylvania) and median rent is $810 a month.
Local data for ZIP 18603
Counts from official public data
Housing and community stats
ZIP 18603, American Community Survey 2020-2024
Median household income
$60,352
Poverty rate
13.4%
Median home value
$170,500
Prices +13.6% in a year
Median rent
$810/mo
Homeownership
71.7%
Bachelor's or higher
22.1%
Median age
45.3
Average commute
23.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
410
ZIP Business Patterns 2023
Employees
8,285
$456M annual payroll
PPP loans
$31.5M
351 loans
Campaign donations
$27K
7% D, 64% R, 2026 cycle
Environment and hazard risk
ZIP 18603, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
385
Countywide, mostly thunderstorm wind
Flood insurance policies
490
1.9% of homes, county
July high / Jan low
80° / 16°F
48.4 inches of rain a year
Frequently asked questions
- What city is ZIP code 18603?
- ZIP code 18603 is in Foundryville, PA (Columbia County).
- What county is ZIP code 18603 in?
- ZIP code 18603 is mostly in Columbia County, Pennsylvania.
- How many people live in ZIP code 18603?
- About 18,827 people live in the 18603 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.