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Martinez, GA
Census-designated place in Columbia County, Georgia. ZIP codes: 30907.
Population
33,750
Land area
14.5sq mi
People per sq mi
2,327
ZIP codes
1
Martinez and its ZIP codes
Martinez at a glance
- Martinez is about 12 times as dense as Georgia as a whole.
- By population, it ranks 38th among 669 cities and towns in Georgia.
- The median household income is $81,602, 5% above the Georgia median of $77,353.
- A typical owner-occupied home is valued at $246,100 (19% below Georgia) and median rent is $1,284 a month.
Local data for Martinez, GA
Counts from official public data
Housing and community stats
Martinez, GA, American Community Survey 2020-2024
Median household income
$81,602
Poverty rate
10.0%
Median home value
$246,100
Median rent
$1,284/mo
Homeownership
71.2%
Bachelor's or higher
37.2%
Median age
39.1
Average commute
20.6 min
Largest reported origins and ancestries: Irish Americans (3,300), German Americans (2,731), Mexican Americans (1,709).
Economy and federal money
Jobs, pay, income and spending are for Columbia County. PPP loans are for Martinez.
Unemployment rate
3.3%
Aug 2026, -0.2 pts in a year
Average annual pay
$50,778
42,806 jobs, 2025
Income per person
$63,204
BEA, 2024
Federal spending
$1.3B
FY 2026, $8,380 per person
PPP loans
$119M
1,767 loans, 15,714 jobs reported
How people get to work
Martinez, GA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone77.0%
- Carpooled12.0%
- Public transit0.1%
- Walked0.6%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.7%
- Worked from home9.4%
Average one-way commute: 20.6 minutes for people who do not work from home.
Environment and hazard risk
Martinez, GA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: tornado
Storm events since 1996
380
Countywide, mostly thunderstorm wind
Flood insurance policies
515
0.9% of homes, county
July high / Jan low
94° / 40°F
44.8 inches of rain a year
Health statistics
Share of adults in Martinez, GA, CDC PLACES estimates
Obesity
31.8%
U.S. 33.3% -1.5 pts
Diabetes
11.9%
U.S. 12.1% about the same
Smoking
11.9%
U.S. 12.8% -0.9 pts
Uninsured (18-64)
10.1%
U.S. 11.1% -1.0 pts
ZIP codes in Martinez
1 in or overlapping Martinez. Population shown
Cities near Martinez
| Name | Distance | Land area (sq mi) |
|---|---|---|
| EvansCensus-designated place | 2.6 mi | 25.3 |
| GrovetownCity | 7.5 mi | 5.3 |
| North Augusta, SCCity | 7.6 mi | 21.4 |
| Belvedere, SCCensus-designated place | 9 mi | 3.4 |
| Augusta | 9.1 mi | 302.3 |
| Clarks Hill, SCCensus-designated place | 10 mi | 3.2 |
| Murphys Estates, SCCensus-designated place | 11 mi | 2.1 |
| Clearwater, SCCensus-designated place | 11 mi | 4.2 |
| ApplingCensus-designated place | 13 mi | 8.8 |
| Beech Island, SCCensus-designated place | 13 mi | 4.9 |
| HarlemCity | 14 mi | 6.6 |
| Burnettown, SCTown | 14 mi | 5.5 |
| Langley, SCCensus-designated place | 15 mi | 1.1 |
| Modoc, SCCensus-designated place | 16 mi | 4 |
| BlytheCity | 16 mi | 2.9 |
| HephzibahCity | 16 mi | 19.5 |
Frequently asked questions
- What county is Martinez, GA in?
- Martinez is in Columbia County, Georgia.
- What ZIP codes are in Martinez, GA?
- ZIP codes in or overlapping Martinez include 30907.
- What is the population of Martinez, GA?
- About 33,750 people live in Martinez, based on American Community Survey 5-year estimates.
- What cities are near Martinez?
- Nearby places include Evans (2.6 mi), Grovetown (7.5 mi), North Augusta, SC (7.6 mi), Belvedere, SC (9 mi), Augusta (9.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023