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ZIP Code 18020
Middletown, PA, Northampton County
Population
21,204
Land area
13sq mi
People per sq mi
1,629
City
Middletown
ZIP 18020 and nearby ZIP codes
ZIP 18020 at a glance
- ZIP 18020 (Middletown) is about 5.6 times as dense as Pennsylvania as a whole.
- Households here earn a median of $126,166 a year, 62% more than the Pennsylvania figure of $77,971.
- A typical owner-occupied home is valued at $370,200 (45% above Pennsylvania) and median rent is $1,534 a month.
Local data for ZIP 18020
Counts from official public data
Housing and community stats
ZIP 18020, American Community Survey 2020-2024
Median household income
$126,166
Poverty rate
5.0%
Median home value
$370,200
Prices +3.9% in a year
Median rent
$1,534/mo
Homeownership
85.8%
Bachelor's or higher
42.7%
Median age
42.8
Average commute
25.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
520
ZIP Business Patterns 2023
Employees
10,490
$567M annual payroll
PPP loans
$56.6M
551 loans
Campaign donations
$87.8K
47% D, 16% R, 2026 cycle
Environment and hazard risk
ZIP 18020, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,269
Countywide, mostly thunderstorm wind
Flood insurance policies
594
0.6% 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 18020?
- ZIP code 18020 is in Middletown, PA (Northampton County).
- What county is ZIP code 18020 in?
- ZIP code 18020 is mostly in Northampton County, Pennsylvania.
- How many people live in ZIP code 18020?
- About 21,204 people live in the 18020 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.