ZIP Codes of Northampton County, VA

Population & People
Population & People
Total Population
12,059
Household Income
Household Income
Median Income
$93,357
Housing
Housing
Total Housing Units
7,550
Business & Economy
Business & Economy
Total Businesses
325
Employment
Employment
Employment Rate
50.39%
Education
Education
Bachelor's Degree+
31.97%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 16 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:16 ZIP Codes (5 Standard, 11 PO Box, 0 Unique) [See All]
Area Codes:757 / 948
Timezone:Eastern (GMT -05:00)
Local Time:2:14:11 PM
Population:12,059 [See All]
FIPS:51131
Land Area:175 sq mi
Water Area:33 sq mi
Coordinates:37.3844, -75.9115
Quick Link:
https://www.zip-codes.com/county/va-northampton.asp
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Sharp income gradient
Wealthiest ZIP earns 4.2× the poorest — $206,375 vs $48,712.
Extreme education divide
Bachelor's share ranges 12.3% to 75.9% across ZIPs — a 64-point gap.

Standout ZIPs in this County


Most Populous
Cape Charles · 5,031 people
41.7% of county total
Highest Income
Franktown · $206,375 median
2.2× county average
Largest Land Area
Cape Charles · 81.5 sq mi
Spans the most ground
Fastest Growth
Machipongo · 23.6% (10-yr)
1,001 → 1,237 residents
Most Educated
Cape Charles · 30.8% bachelor's+
1,182 of 3,841 adults 25+

Things worth knowing about Northampton County


12,059 residents live across 16 ZIPs covering 175 sq mi, served by 16 distinct USPS-recognized cities.

Population moved from 12,174 to 12,059 from 2014 to 2024 — a -0.9% change. 5 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 23354 (Franktown, $206,375 median) and poorest ZIP 23350 (Exmore, $48,712) are 3.1 miles apart — a 4.2× income gap across local geography.

Median home values vary 3.0× across this county — from $170,500 in 23350 (Exmore) to $519,100 in 23354 (Franktown).

Density varies across the county — from 44 people/sq mi in 23354 (Franktown) to 131 in 23413 (Nassawadox).

Educational attainment ranges from 7.4% bachelor's+ in 23316 (Cheriton) to 75.9% in 23354 (Franktown) — the breadth of educational profiles across the area.

Within Virginia, this is the #109 most populous of 134 counties and ranks #33 for median household income .

Weighted by population, the typical household earns about $68,189 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.0% of adults age 25+ hold a bachelor's degree or higher (2,930 of 9,165 reporting).

5 Standard delivery, 11 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Northampton County


Two counties in one

Median household income spans 4.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Franktown
Median income: $206,375
Population: 433
Bachelor's+: 75.9%
vs
Poorest ZIP (pop >= 500)
Exmore
Median income: $48,712
Population: 2,983
Bachelor's+: 28.8%
For every $1 of household income in 23350, the typical household in 23354 earns $4.24.

All ZIP Codes in Northampton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
23310Cape CharlesStandard5,031$62,50081.514.7%
23350ExmoreStandard2,983$48,71238.5-7.2%
23405MachipongoStandard1,237$59,66327.223.6%
23413NassawadoxPO Box776$56,2505.9-37.5%
23307BirdsnestStandard70111.242.2%
23347EastvillePO Box502$146,6480.0-36.5%
23354FranktownStandard433$206,3759.837.5%
23486Willis WharfPO Box278$92,5430.033.0%
23316CheritonPO Box91$74,1670.0-79.4%
23398JamesvillePO Box270.0-47.1%
23408MarionvillePO Box00.9-100.0%
23429SeaviewPO Box0.0
23419OysterPO Box0.0
23443TownsendPO Box0.0
23313CapevillePO Box0.0
23482WardtownPO Box0.0

Adjacent & Nearby Counties