Martinez, Georgia Demographics & Population 2026
During the 2020–2024 ACS period, Martinez, Georgia had a total population of 33,750, the 38th largest community in Georgia, with a median household income of $81,602, which is 5% higher than the state average. The poverty rate is 10.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Martinez Quick Facts
How Martinez Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 33,019 | 33,750 | +2.2% |
| Median household income | $85,617 | $81,602 | -4.7% |
| Median home value | $231,400 | $246,100 | +6.4% |
How Martinez Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Martinez Rankings in Georgia
Explore Georgia Rankings
Other Cities in Columbia County
Cities Similar to Martinez
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kennesaw | 34,605 | $83,356 | $335,400 | 47.3% | 10.3% |
| Canton | 35,741 | $80,091 | $407,800 | 32.3% | 12.8% |
| Tucker | 37,123 | $80,317 | $384,500 | 44.7% | 10.6% |
| Chamblee | 30,895 | $84,452 | $432,800 | 47.9% | 18.0% |
| Duluth | 32,426 | $95,331 | $400,800 | 53.6% | 8.9% |
Population Overview
Martinez is a mid-sized community located in Georgia, within Columbia County. The total population is 33,750. It ranks as the 38th most populous out of 669 Census-designated places in Georgia.
Age Demographics
The median age in Martinez is 39.1 years. This is 4% higher than the state median of 37.6 years.
Economy, Income & Housing
The median household income in Martinez is $81,602. This is 5% higher than the state median of $77,353. It is also 1% higher than the national median of $80,734. The poverty rate stands at 10.0%. This is 26% lower than the state poverty rate of 13.4%. The unemployment rate is 6.1%. This is 19% higher than the state rate of 5.1%. The median home value is $246,100. Housing costs are 19% lower than the state median of $303,300. The home-value-to-income ratio is 3.0x. 71.2% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 65.7%.
Race & Ethnicity
The largest racial or ethnic group in Martinez is White (non-Hispanic), making up 64.8% of the population. Black or African American residents account for 12.7%. The Black or African American population (12.7%) is well below the state average of 30.7%. The Asian population is significantly higher than the state average (8.1% vs 4.5%).
Education
37.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher than the state rate of 34.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.2%. Notably, 16.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Martinez, Georgia is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Georgia state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 669 Census-designated places in Georgia. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Martinez, Georgia?
Martinez, Georgia has a population of 33,750 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Martinez, GA?
The median household income in Martinez is $81,602, which is 1% higher than the national median of $80,734.
What is the poverty rate in Martinez, GA?
The poverty rate in Martinez is 10.0%. This means approximately 3,351 residents live below the federal poverty line.
What is the racial makeup of Martinez, Georgia?
Martinez's population is 64.8% White, 12.7% Black, 9.7% Hispanic/Latino, and 8.1% Asian.
What is the median home value in Martinez, GA?
The median home value in Martinez is $246,100. The home-value-to-income ratio is 3.0x.
How educated is Martinez, Georgia?
37.2% of adults (25+) in Martinez hold a bachelor's degree or higher, and 16.8% hold a graduate or professional degree.