ZIP Codes of Marion County, GA

Population & People
Population & People
Total Population
6,428
Household Income
Household Income
Median Income
$42,922
Housing
Housing
Total Housing Units
3,239
Business & Economy
Business & Economy
Total Businesses
88
Employment
Employment
Employment Rate
50.86%
Education
Education
Bachelor's Degree+
13.94%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:229
Timezone:Eastern (GMT -05:00)
Local Time:11:53:03 PM
Population:6,428 [See All]
FIPS:13197
CBSA:Columbus, GA-AL
Land Area:407 sq mi
Water Area:1 sq mi
Coordinates:32.3953, -84.4539
Quick Link:
https://www.zip-codes.com/county/ga-marion.asp
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Notable population decline
Lost 24.2% of residents since 2014.

Standout ZIPs in this County


Most Populous
Buena Vista · 4,499 people
70.0% of county total
Highest Income
Buena Vista · $45,189 median
1.1× county average
Largest Land Area
Buena Vista · 301.0 sq mi
Spans the most ground
Fastest Growth
Mauk · 29.4% (10-yr)
1,491 → 1,929 residents
Most Educated
Buena Vista · 15.0% bachelor's+
457 of 3,038 adults 25+

Things worth knowing about Marion County


6,428 residents live across 2 ZIPs covering 407 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 8,476 to 6,428 from 2014 to 2024 — a -24.2% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 31803 (Buena Vista, $45,189 median) and poorest ZIP 31058 (Mauk, $40,655) are 15.1 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.2× across this county — from $85,200 in 31058 (Mauk) to $104,900 in 31803 (Buena Vista).

Density varies across the county — from 15 people/sq mi in 31803 (Buena Vista) to 18 in 31058 (Mauk).

Educational attainment ranges from 11.7% bachelor's+ in 31058 (Mauk) to 15.0% in 31803 (Buena Vista) — the breadth of educational profiles across the area.

Within Georgia, this is the #142 most populous of 161 counties and ranks #154 for median household income .

Weighted by population, the typical household earns about $43,828 across the county — reflecting what a typical resident sees, not a simple ZIP average.

13.9% of adults age 25+ hold a bachelor's degree or higher (632 of 4,534 reporting).

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

Stories about Marion County


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.

Buena Vista

Population decline

Marion County lost 24.2% of residents between 2014 and 2024. ZIPs that shed the largest share:

Buena Vista
-35.6%
6,985 → 4,499 residents

All ZIP Codes in Marion County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
31803Buena VistaStandard4,499$45,189301.0-35.6%
31058MaukStandard1,929$40,655106.029.4%

Adjacent & Nearby Counties