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ZIP Code 03878
Somersworth, NH, Strafford County
Population
12,205
Land area
9.8sq mi
People per sq mi
1,243
City
Somersworth
ZIP 03878 and nearby ZIP codes
ZIP 03878 at a glance
- ZIP 03878 (Somersworth) is about 8 times as dense as New Hampshire as a whole.
- The median household income is $75,136, 24% below the New Hampshire median of $99,031.
- A typical owner-occupied home is valued at $317,900 (21% below New Hampshire) and median rent is $1,479 a month.
Local data for ZIP 03878
Counts from official public data
Housing and community stats
ZIP 03878, American Community Survey 2020-2024
Median household income
$75,136
Poverty rate
11.2%
Median home value
$317,900
Prices +3.7% in a year
Median rent
$1,479/mo
Homeownership
58.0%
Bachelor's or higher
31.3%
Median age
38.5
Average commute
25.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
318
ZIP Business Patterns 2023
Employees
5,139
$242M annual payroll
PPP loans
$28.92M
267 loans
Campaign donations
$24.58K
67% D, 10% R, 2026 cycle
Environment and hazard risk
ZIP 03878, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: ice storm
Storm events since 1996
529
Countywide, mostly heavy snow
Flood insurance policies
198
0.6% of homes, county
July high / Jan low
82° / 15°F
41.2 inches of rain a year
Health statistics
Share of adults in ZIP 03878, CDC PLACES estimates
Obesity
34.6%
U.S. 33.3% +1.3 pts
Diabetes
9.5%
U.S. 12.1% -2.6 pts
Smoking
12.5%
U.S. 12.8% about the same
Uninsured (18-64)
7.4%
U.S. 11.1% -3.7 pts
Cities in ZIP 03878
ZIP codes near 03878
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 03869Dover | 3.7 mi | 6.7 |
| 03901Berwick | 4 mi | 37.5 |
| 03839Rochester | 4.9 mi | 7.9 |
| 03820Dover | 5.1 mi | 27.3 |
| 03868Rochester | 5.8 mi | 8.7 |
| 03823Durham | 6.4 mi | 11.6 |
| 03867Rochester | 6.6 mi | 28.4 |
| 03908South Berwick | 7.3 mi | 31.9 |
| 03825Rochester | 8.4 mi | 46.9 |
| 03906North Berwick | 8.4 mi | 38.3 |
| 03903South Eliot | 9.4 mi | 19.8 |
| 03824Durham | 9.4 mi | 22.4 |
Frequently asked questions
- What city is ZIP code 03878?
- ZIP code 03878 is in Somersworth, NH (Strafford County).
- What county is ZIP code 03878 in?
- ZIP code 03878 is mostly in Strafford County, New Hampshire.
- How many people live in ZIP code 03878?
- About 12,205 people live in the 03878 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.