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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

Population 19,166
Median Household Income $74,288
Median Home Value $312,300
Poverty Rate 17.4%
Unemployment Rate 7.6%
Median Age 33.8 years
Homeownership Rate 61.1%
Affordability Ratio 4.2x
Bachelor's Degree or Higher 29.3%
High School Graduation Rate 93.3%
Diversity Index 48/100
Population 19,166 61st of 669
Median Income $74,288 top 30%
Poverty Rate 17.4% 40% higher than national
Median Home Value $312,300 top 20%

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.

Metric2019–20232020–2024Change
Population18,80519,166+1.9%
Median household income$67,271$74,288+10.4%
Median home value$259,300$312,300+20.4%

How St. Marys Compares

Economy & Housing

Household Income Distribution

Under $25K 17.1%
$25K-$50K 13.9%
$50K-$100K 32.2%
$100K+ 36.7%
Detailed income brackets
Under $10K
6.1%
$10K-$15K
2.8%
$15K-$20K
3.8%
$20K-$25K
4.5%
$25K-$30K
1.9%
$30K-$35K
2.4%
$35K-$40K
3.2%
$40K-$45K
2.9%
$45K-$50K
3.6%
$50K-$60K
8.0%
$60K-$75K
11.8%
$75K-$100K
12.3%
$100K-$125K
10.1%
$125K-$150K
10.3%
$150K-$200K
8.2%
$200K+
8.2%

Employment

7.6% Unemployment Rate State: 5.1%|National: 5.2%
56.9% Labor Force Participation

Housing Overview

Owner 61.1%
Renter 38.9%
Affordability Index Moderate
4.2x home value to income ratio
Median gross rent $1,183/mo 19.1% of median household income annually

People & Demographics

Diversity Index

48out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 65 | National average: 61

Education

St. Marys Rankings in Georgia

#61 Population of 669
#177 Median Income of 611
#165 Education of 669
#118 Home Value of 607

Other Cities in Camden County

CityPopulationMedian IncomePovertyHome 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.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Kingsland19,627$77,944$251,40023.3%10.7%
Norcross18,007$75,266$403,40040.5%15.2%
Fayetteville19,719$82,188$368,20041.2%8.1%
Winder19,437$63,779$288,50019.3%13.2%
Buford17,997$69,471$368,70029.3%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.