St. Marys, Georgia Demographics & Population 2026
During the 2020–2024 ACS period, St. Marys, Georgia had a total population of 19,166, the 61st largest city in Georgia, with a median household income of $74,288, which is 4% lower than the state average. The poverty rate is 17.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
St. Marys Quick Facts
How St. Marys 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 | 18,805 | 19,166 | +1.9% |
| Median household income | $67,271 | $74,288 | +10.4% |
| Median home value | $259,300 | $312,300 | +20.4% |
How St. Marys 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
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Marys Rankings in Georgia
Explore Georgia Rankings
Other Cities in Camden County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kingsland | 19,627 | $77,944 | 10.7% | $251,400 |
| Kings Bay Base | 2,210 | $78,000 | 21.2% | N/A |
| Woodbine | 1,399 | $46,250 | 10.5% | $149,400 |
| Waverly | 106 | N/A | 14.1% | $78,600 |
Cities Similar to St. Marys
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kingsland | 19,627 | $77,944 | $251,400 | 23.3% | 10.7% |
| Norcross | 18,007 | $75,266 | $403,400 | 40.5% | 15.2% |
| Fayetteville | 19,719 | $82,188 | $368,200 | 41.2% | 8.1% |
| Winder | 19,437 | $63,779 | $288,500 | 19.3% | 13.2% |
| Buford | 17,997 | $69,471 | $368,700 | 29.3% | 12.6% |
Population Overview
St. Marys is a small city located in Georgia, within Camden County. The total population is 19,166. It ranks as the 61st most populous out of 669 Census-designated places in Georgia.
Age Demographics
The median age in St. Marys is 33.8 years. This is 10% lower than the state median of 37.6 years.
Economy, Income & Housing
The median household income in St. Marys is $74,288. This is 4% lower than the state median of $77,353. It is also 8% lower than the national median of $80,734. The poverty rate stands at 17.4%. This is 30% higher than the state poverty rate of 13.4%. The unemployment rate is 7.6%. This is 49% higher than the state rate of 5.1%. The median home value is $312,300. Housing costs are 3% higher than the state median of $303,300. The home-value-to-income ratio is 4.2x. 61.1% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 65.7%.
Race & Ethnicity
The largest racial or ethnic group in St. Marys is White (non-Hispanic), making up 70.2% of the population. Black or African American residents account for 14.5%. The Black or African American population (14.5%) is well below the state average of 30.7%. The Asian population (1.6%) is well below the state average of 4.5%.
Education
29.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower 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 93.3%.
Data Sources & Methodology
All demographic data for St. Marys, 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 St. Marys, Georgia?
St. Marys, Georgia has a population of 19,166 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Marys, GA?
The median household income in St. Marys is $74,288, which is 8% lower than the national median of $80,734.
What is the poverty rate in St. Marys, GA?
The poverty rate in St. Marys is 17.4%. This means approximately 3,297 residents live below the federal poverty line.
What is the racial makeup of St. Marys, Georgia?
St. Marys's population is 70.2% White, 14.5% Black, 8.4% Hispanic/Latino, and 1.6% Asian.
What is the median home value in St. Marys, GA?
The median home value in St. Marys is $312,300. The home-value-to-income ratio is 4.2x.
How educated is St. Marys, Georgia?
29.3% of adults (25+) in St. Marys hold a bachelor's degree or higher, and 9.7% hold a graduate or professional degree.