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CITY

St. Marys

Georgia · 20,546 residents (2025 est.) · 22.573 sq mi
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The short version

St. Marys has roughly average household income, with a median household income of $74,288. Population has grown 39% since 2000. Median home value has more than tripled since 2000, reaching $312,300. At a median age of 33.8, residents skew younger than the country as a whole.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 33.8
US median: 38.9
Less educated
29% hold a bachelor's degree
US average: 36%
Less affordable
home values up 104%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
19,166
+39%since 2000
from 13,761 in 2000
1990 – 2025
Population density
849 / sq mi
+39%since 2000
from 610 / sq mi in 2000
US average: 281
Median age
33.8
+20%since 2000
from 28.1 in 2000
US average: 38.9

PEP 2025 EST:20,546 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
7K10K14K17K20K1990201020202024St. Marys
202419K
1990201020202024
Section 02

Income & economy

Median household income
$74,288
−3%inflation adjusted, since 2000
from $42,087 in 2000
US average: $82,259
1990 – 2024
Per capita income
$37,015
+105%since 2000
from $18,099 in 2000
US average: $44,673
Households earning $100K+
49.1%
+20.6 ptssince 2009
from 28.5% in 2009
US average: 53.3%
Poverty rate
17.4%
+6.3 ptssince 2000
from 11.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.417
+6%since 2010
from 0.393 in 2010
US average: 0.476
Workforce by industry, 2024
Information16%
US avg: 10.8%
Retail trade12.7%
US avg: 9.9%
Finance & insurance8.3%
US avg: 5.9%
Professional, scientific, technical6.9%
US avg: 5.1%
Wholesale trade6%
US avg: 6.9%
Other services4.4%
US avg: 6.7%
Public administration3.1%
US avg: 4.8%
Transportation & warehousing2.5%
US avg: 2.2%
Education & health services1.4%
US avg: 0.9%
Arts, entertainment, food0.3%
US avg: 1.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$312,300
+104%inflation adjusted, since 2000
from $84,200 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,183
+17%inflation adjusted, since 2000
from $556 in 2000
US average: $1,442
Owner-occupied
61.1%
+7.6 ptssince 2000
from 53.5% in 2000
38.9% rent
Vacancy rate
7.7%
−4.9 ptssince 2009
from 12.6% in 2009
US average: 10.0%
Owner cost-burdened
20.7%
−9.6 ptssince 2009
from 30.3% in 2009
US average: 22.9%
Renter cost-burdened
47.3%
+15.9 ptssince 2009
from 31.4% in 2009
US average: 47.4%
Afford Score
4.2
+110%since 2000
from 2.0 in 2000
1990 – 2024
Gentrification Score
49
RELATED:See current rent listings in St. Marys on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic72.4%(9,969)
Black19.7%(2,710)
Hispanic / Latino4.5%(614)
Asian1.2%(160)
Other0%
Diversity Score51%(7,019)
2024
White, non-Hispanic70.2%(13,458)
Black14.5%(2,774)
Hispanic / Latino8.4%(1,612)
Asian1.6%(305)
Other5.3%(1,017)
Diversity Score59.5%(11,400)
Diversity Score
59
+17%since 2000
from 51 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
29.3%
+7.8 ptssince 2000
from 21.6% in 2000
US average: 35.6%
High school or higher
93.3%
+6.2 ptssince 2000
from 87.1% in 2000
US average: 89.6%
Graduate degree
9.7%
+1.9 ptssince 2000
from 7.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.2 min
+81%since 2000
from 14.5 min in 2000
US average: 26.5
Drive alone to work
78.7%
−7.4 ptssince 2009
from 86.1% in 2009
US average: 68.9%
Carpooled to work
7.7%
−2.2 ptssince 2009
from 9.9% in 2009
US average: 8.5%
Public transit
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 3.2%
Worked from home
11.4%
+9.0 ptssince 2009
from 2.4% in 2009
US average: 15.0%
Walked to work
1.4%
+0.6 ptssince 2009
from 0.8% in 2009
US average: 2.4%
Biked to work
0.3%
+0.1 ptssince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
6.1%
+2.8 ptssince 2009
from 3.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
7.6%
−1.5 ptssince 2011
from 9.1% in 2011
US average: 5.2%
Labor force participation
56.9%
−9.2 ptssince 2011
from 66.1% in 2011
US average: 63.5%
Self-employed
10.7%
−1.4 ptssince 2009
from 12.2% in 2009
US average: 13.1%
Management & professional
44.6%
−22.1 ptssince 2009
from 66.6% in 2009
US average: 42.5%
Section 08

People & community

Male
50.8%
+2.8 ptssince 2009
from 48.0% in 2009
Female
49.2%
−2.8 ptssince 2009
from 52.0% in 2009
Foreign born
2.8%
+0.2 ptssince 2009
from 2.7% in 2009
US average: 14.1%
Veterans
17.2%
−24.6 ptssince 2009
from 41.9% in 2009
US average: 6.2%
With a disability
17.9%
+8.0 ptssince 2012
from 9.9% in 2012
US average: 13.3%
Uninsured
8.2%
−78.0 ptssince 2013
from 86.2% in 2013
US average: 8.4%
Broadband at home
94.0%
+9.8 ptssince 2017
from 84.2% in 2017
US average: 91.0%
English only at home
93.3%
−1.5 ptssince 2016
from 94.8% in 2016
US average: 77.7%
Spanish at home
4.8%
+1.2 ptssince 2016
from 3.6% in 2016
US average: 13.6%
Drill deeper

Places similar to St. Marys

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Places similar to St. Marys
Head to head

Compare St. Marys to nearby cities

ST. MARYS VS
Yulee
Income$85,247+15%
Home value$302,500−3%
Population16,648−19%
SEE FULL COMPARISON →
ST. MARYS VS
Fernandina Beach
Income$97,903+32%
Home value$555,400+78%
Population13,869−32%
SEE FULL COMPARISON →
ST. MARYS VS
Kingsland
Income$77,944+5%
Home value$251,400−20%
Population21,299+4%
SEE FULL COMPARISON →
ST. MARYS VS
Brunswick
Income$40,288−46%
Home value$155,900−50%
Population15,730−23%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Marys, Georgia?

St. Marys, Georgia has about 19,166 residents according to the 2024 American Community Survey.

What is the median household income in St. Marys, Georgia?

The typical household in St. Marys, Georgia earns about $74,288 a year. Half of households make more than that, and half make less.

Is St. Marys, Georgia expensive?

In St. Marys, Georgia, the median home is worth about $312,300, and the typical rent is about $1,183 a month.

How educated are people in St. Marys, Georgia?

About 29.3% of adults age 25 and over in St. Marys, Georgia hold a bachelor's degree or higher.

What is the poverty rate in St. Marys, Georgia?

About 17.4% of people in St. Marys, Georgia live below the federal poverty line.

Has St. Marys, Georgia grown since 1990?

Yes, St. Marys, Georgia has grown since 1990. The population has added about 10,979 residents, a change of about 134 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

St. Marys, Georgia: demographics, income & housing data · CensusEasy