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ZIP Code 18040
Chestnut Hill, PA, Northampton County
Population
17,256
Land area
17.3sq mi
People per sq mi
999
City
Chestnut Hill
ZIP 18040 and nearby ZIP codes
ZIP 18040 at a glance
- ZIP 18040 (Chestnut Hill) is about 3.4 times as dense as Pennsylvania as a whole.
- Households here earn a median of $107,016 a year, 37% more than the Pennsylvania figure of $77,971.
- A typical owner-occupied home is valued at $360,800 (42% above Pennsylvania) and median rent is $1,397 a month.
Local data for ZIP 18040
Counts from official public data
Housing and community stats
ZIP 18040, American Community Survey 2020-2024
Median household income
$107,016
Poverty rate
4.8%
Median home value
$360,800
Prices +7.2% in a year
Median rent
$1,397/mo
Homeownership
91.1%
Bachelor's or higher
41.8%
Median age
45.2
Average commute
30.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
276
ZIP Business Patterns 2023
Employees
5,288
$273M annual payroll
PPP loans
$33.6M
365 loans
Campaign donations
$213K
28% D, 24% R, 2026 cycle
Environment and hazard risk
ZIP 18040, 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
51.0 inches of rain a year
Frequently asked questions
- What city is ZIP code 18040?
- ZIP code 18040 is in Chestnut Hill, PA (Northampton County).
- What county is ZIP code 18040 in?
- ZIP code 18040 is mostly in Northampton County, Pennsylvania.
- How many people live in ZIP code 18040?
- About 17,256 people live in the 18040 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.