ZIP Codes of Bryan County, GA

Population & People
Population & People
Total Population
53,127
Household Income
Household Income
Median Income
$87,970
Housing
Housing
Total Housing Units
20,040
Business & Economy
Business & Economy
Total Businesses
906
Employment
Employment
Employment Rate
61.24%
Education
Education
Bachelor's Degree+
32.94%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:912
Timezone:Eastern (GMT -05:00)
Local Time:2:11:41 PM
Population:53,127 [See All]
FIPS:13029
CBSA:Savannah, GA
Land Area:561 sq mi
Water Area:16 sq mi
Coordinates:32.0543, -81.4675
Quick Link:
https://www.zip-codes.com/county/ga-bryan.asp
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Among America's 25 fastest-growing counties
#15 nationwide, +47.9% population over the decade.

Standout ZIPs in this County


Most Populous
Richmond Hill · 37,406 people
70.4% of county total
Highest Income
Richmond Hill · $122,378 median
1.4× county average
Largest Land Area
Pembroke · 230.2 sq mi
Spans the most ground
Fastest Growth
Richmond Hill · 74.9% (10-yr)
21,390 → 37,406 residents
Most Educated
Richmond Hill · 43.8% bachelor's+
10,054 of 22,949 adults 25+

Things worth knowing about Bryan County


53,127 residents live across 3 ZIPs covering 561 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 35,911 to 53,127 from 2014 to 2024 — a +47.9% change. 3 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 31324 (Richmond Hill, $122,378 median) and poorest ZIP 31321 (Pembroke, $68,472) are 30.5 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.3× across this county — from $165,500 in 31321 (Pembroke) to $386,600 in 31324 (Richmond Hill).

Density varies across the county — from 32 people/sq mi in 31321 (Pembroke) to 177 in 31324 (Richmond Hill).

Educational attainment ranges from 9.7% bachelor's+ in 31308 (Ellabell) to 43.8% in 31324 (Richmond Hill) — the breadth of educational profiles across the area.

Within Georgia, this is the #41 most populous of 161 counties and ranks #17 for median household income with the #1 fastest decade growth .

On the national stage, Bryan County is and #15 for decade growth .

Weighted by population, the typical household earns about $107,153 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.9% of adults age 25+ hold a bachelor's degree or higher (11,253 of 34,157 reporting).

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

Stories about Bryan County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
561
square miles
Avg density
94.7
people per sq mi
Population
53,127
across 3 ZIPs
Pembroke
230.2 sq mi
7,305 residents
Richmond Hill
211.4 sq mi
37,406 residents
Ellabell
119.5 sq mi
8,416 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Richmond Hill

All ZIP Codes in Bryan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
31324Richmond HillStandard37,406$122,378211.474.9%
31308EllabellStandard8,416$73,061119.511.9%
31321PembrokeStandard7,305$68,472230.24.4%

Adjacent & Nearby Counties