Marietta, Georgia Demographics & Population 2026
During the 2020–2024 ACS period, Marietta, Georgia had a total population of 62,263, the 15th largest city in Georgia, with a median household income of $72,725, which is 6% lower than the state average. The poverty rate is 12.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 47.4% of adults hold a bachelor's degree or higher — top 10% in Georgia.
- One of the most racially diverse communities in Georgia (diversity index: 70/100).
Marietta Quick Facts
How Marietta 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 | 61,773 | 62,263 | +0.8% |
| Median household income | $70,086 | $72,725 | +3.8% |
| Median home value | $401,100 | $448,500 | +11.8% |
How Marietta 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
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Marietta Rankings in Georgia
Explore Georgia Rankings
Other Cities in Cobb County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mableton | 77,678 | $77,980 | 13.5% | $313,100 |
| Smyrna | 56,633 | $100,061 | 10.6% | $449,500 |
| Kennesaw | 34,605 | $83,356 | 10.3% | $335,400 |
| Acworth | 22,473 | $83,539 | 7.7% | $339,900 |
| Powder Springs | 18,009 | $105,070 | 14.6% | $332,900 |
| Vinings | 14,390 | $94,982 | 6.2% | $604,600 |
| Fair Oaks | 9,014 | $62,996 | 23.6% | $199,600 |
| Austell | 8,447 | $72,938 | 10.8% | $284,900 |
| Kennesaw State University | 2,284 | N/A | N/A | N/A |
Cities Similar to Marietta
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Stonecrest | 60,501 | $64,591 | $243,500 | 31.0% | 16.7% |
| Smyrna | 56,633 | $100,061 | $449,500 | 59.4% | 10.6% |
| Mableton | 77,678 | $77,980 | $313,100 | 38.7% | 13.5% |
| Albany | 67,224 | $47,240 | $124,300 | 21.4% | 27.5% |
| Brookhaven | 57,855 | $117,663 | $692,700 | 70.9% | 10.3% |
Population Overview
Marietta is a mid-sized community located in Georgia, within Cobb County. The total population is 62,263. It ranks as the 15th most populous out of 669 Census-designated places in Georgia.
Age Demographics
The median age in Marietta is 34.8 years. This is 7% lower than the state median of 37.6 years.
Economy, Income & Housing
The median household income in Marietta is $72,725. This is 6% lower than the state median of $77,353. It is also 10% lower than the national median of $80,734. The poverty rate stands at 12.8%. This is 4% lower than the state poverty rate of 13.4%. The unemployment rate is 3.8%. This is 25% lower than the state rate of 5.1%. The median home value is $448,500. Housing costs are 48% higher than the state median of $303,300. The home-value-to-income ratio of 6.2x suggests that housing affordability is a significant concern for many residents. 47.2% of occupied housing units are owner-occupied. This homeownership rate is 28% lower than the state average of 65.7%.
Race & Ethnicity
Marietta is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Black or African American residents account for 30.8%. The Hispanic or Latino population is significantly higher than the state average (18.1% vs 11.0%). The Asian population (2.2%) is well below the state average of 4.5%.
Education
47.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Marietta in the top 10% of all cities in the state for educational attainment. This is 36% 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 90.1%. Notably, 16.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Marietta, 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.
Free data download: Get all Georgia city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Marietta, Georgia?
Marietta, Georgia has a population of 62,263 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marietta, GA?
The median household income in Marietta is $72,725, which is 10% lower than the national median of $80,734.
What is the poverty rate in Marietta, GA?
The poverty rate in Marietta is 12.8%. This means approximately 7,628 residents live below the federal poverty line.
What is the racial makeup of Marietta, Georgia?
Marietta's population is 41.4% White, 30.8% Black, 18.1% Hispanic/Latino, and 2.2% Asian.
What is the median home value in Marietta, GA?
The median home value in Marietta is $448,500. The home-value-to-income ratio is 6.2x.
How educated is Marietta, Georgia?
47.4% of adults (25+) in Marietta hold a bachelor's degree or higher, and 16.2% hold a graduate or professional degree.