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ZIP Code 18109
Catasauqua, PA, Lehigh County
Population
18,446
Land area
8.2sq mi
People per sq mi
2,237
City
Catasauqua
ZIP 18109 and nearby ZIP codes
ZIP 18109 at a glance
- ZIP 18109 (Catasauqua) is about 7.7 times as dense as Pennsylvania as a whole.
- Households here earn a median of $58,031 a year, 26% less than the Pennsylvania figure of $77,971.
- A typical owner-occupied home is valued at $198,800 (22% below Pennsylvania) and median rent is $1,331 a month.
Local data for ZIP 18109
Counts from official public data
Housing and community stats
ZIP 18109, American Community Survey 2020-2024
Median household income
$58,031
Poverty rate
18.1%
Median home value
$198,800
Prices +7.3% in a year
Median rent
$1,331/mo
Homeownership
52.1%
Bachelor's or higher
16.0%
Median age
36.6
Average commute
23.3 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
802
ZIP Business Patterns 2023
Employees
17,337
$1.1B annual payroll
PPP loans
$63.5M
727 loans
Campaign donations
$18.2K
20% D, 65% R, 2026 cycle
Environment and hazard risk
ZIP 18109, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: cold wave
Storm events since 1996
1,282
Countywide, mostly thunderstorm wind
Flood insurance policies
423
0.4% of homes, county
July high / Jan low
86° / 22°F
47.4 inches of rain a year
Frequently asked questions
- What city is ZIP code 18109?
- ZIP code 18109 is in Catasauqua, PA (Lehigh County).
- What county is ZIP code 18109 in?
- ZIP code 18109 is mostly in Lehigh County, Pennsylvania.
- How many people live in ZIP code 18109?
- About 18,446 people live in the 18109 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.