ZIP Codes of Northumberland County, VA

Population & People
Population & People
Total Population
11,282
Household Income
Household Income
Median Income
$62,654
Housing
Housing
Total Housing Units
8,235
Business & Economy
Business & Economy
Total Businesses
295
Employment
Employment
Employment Rate
40.95%
Education
Education
Bachelor's Degree+
30.85%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:8 ZIP Codes (5 Standard, 3 PO Box, 0 Unique) [See All]
Area Codes:686 / 804
Timezone:Eastern (GMT -05:00)
Local Time:11:55:31 PM
Population:11,282 [See All]
FIPS:51133
Land Area:201 sq mi
Water Area:24 sq mi
Coordinates:37.8942, -76.3945
Quick Link:
https://www.zip-codes.com/county/va-northumberland.asp
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Among Virginia's 5 oldest counties
Median age 54.6.
Owner-dominated county
Just 12.5% of homes are rentals — strong homeownership culture.

Standout ZIPs in this County


Most Populous
Heathsville · 5,498 people
48.7% of county total
Highest Income
Reedville · $89,200 median
1.4× county average
Largest Land Area
Heathsville · 126.8 sq mi
Spans the most ground
Fastest Growth
Heathsville · 3.3% (10-yr)
5,323 → 5,498 residents
Most Educated
Callao · 34.3% bachelor's+
573 of 1,672 adults 25+

Things worth knowing about Northumberland County


11,282 residents live across 8 ZIPs covering 201 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 11,970 to 11,282 from 2014 to 2024 — a -5.7% change. 1 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 22539 (Reedville, $89,200 median) and poorest ZIP 22511 (Lottsburg, $48,988) are 14.6 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.2× across this county — from $187,100 in 22435 (Callao) to $411,400 in 22539 (Reedville).

Density varies across the county — from 43 people/sq mi in 22473 (Heathsville) to 99 in 22539 (Reedville).

Educational attainment ranges from 12.9% bachelor's+ in 22432 (Burgess) to 34.6% in 22511 (Lottsburg) — the breadth of educational profiles across the area.

Within Virginia, this is the #112 most populous of 134 counties and ranks #89 for median household income .

Weighted by population, the typical household earns about $66,178 across the county — reflecting what a typical resident sees, not a simple ZIP average.

30.9% of adults age 25+ hold a bachelor's degree or higher (2,673 of 8,664 reporting).

5 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Northumberland County


Population decline

Northumberland County lost 6.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Lottsburg
-15.3%
1,462 → 1,239 residents
Callao
-11.1%
2,491 → 2,215 residents

All ZIP Codes in Northumberland County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
22473HeathsvilleStandard5,498$68,021126.83.3%
22435CallaoStandard2,215$50,80927.8-11.1%
22539ReedvilleStandard2,074$89,20021.0-8.5%
22511LottsburgStandard1,239$48,98820.6-15.3%
22432BurgessStandard256$56,2504.8-40.0%
22456EdwardsvillePO Box0.0
22530OpheliaPO Box0.0
22579Wicomico ChurchPO Box0.0

Adjacent & Nearby Counties