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CITY

St. Marks

Florida · 320 residents (2025 est.) · 1.959 sq mi
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The short version

St. Marks has lower-than-average household income, with a median household income of $62,321. Population has declined 11% since 2000. 8% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $256,300. With a median age of 61.0, the population is older than the US median of 38.9.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 61.0
US median: 38.9
Less educated
8% hold a bachelor's degree
US average: 36%
Less affordable
home values up 101%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
243
−11%since 2000
from 272 in 2000
1990 – 2025
Population density
124 / sq mi
−11%since 2000
from 139 / sq mi in 2000
US average: 281
Median age
61.0
+39%since 2000
from 44.0 in 2000
US average: 38.9

PEP 2025 EST:320 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
1762122492853211990201020202024St. Marks
2024243
1990201020202024
Section 02

Income & economy

Median household income
$62,321
+36%inflation adjusted, since 2000
from $25,156 in 2000
US average: $82,259
1990 – 2024
Per capita income
$34,062
+127%since 2000
from $14,994 in 2000
US average: $44,673
Households earning $100K+
48.8%
+12.1 ptssince 2009
from 36.7% in 2009
US average: 53.3%
Poverty rate
3.7%
−15.8 ptssince 2000
from 19.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.292
−25%since 2010
from 0.389 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade43%
US avg: 6.9%
Information25.6%
US avg: 10.8%
Retail trade4.7%
US avg: 9.9%
Finance & insurance2.3%
US avg: 5.9%
Professional, scientific, technical2.3%
US avg: 5.1%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$256,300
+101%inflation adjusted, since 2000
from $70,000 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
93.4%
+21.1 ptssince 2000
from 72.3% in 2000
6.6% rent
Vacancy rate
24.4%
−5.9 ptssince 2009
from 30.2% in 2009
US average: 10.0%
Owner cost-burdened
27.4%
+3.1 ptssince 2009
from 24.3% in 2009
US average: 22.9%
Renter cost-burdened
50.0%
+50.0 ptssince 2009
from 0.0% in 2009
US average: 47.4%
Afford Score
4.1
+48%since 2000
from 2.8 in 2000
1990 – 2024
Gentrification Score
25
RELATED:See current rent listings in St. Marks on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.8%(255)
Black2.6%(7)
Hispanic / Latino0.4%(1)
Asian0.4%(1)
Other0%
Diversity Score8.3%(23)
2024
White, non-Hispanic95.9%(233)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other4.1%(10)
Diversity Score9.9%(24)
Diversity Score
10
+19%since 2000
from 8 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
8.2%
−1.9 ptssince 2000
from 10.1% in 2000
US average: 35.6%
High school or higher
93.5%
+18.7 ptssince 2000
from 74.9% in 2000
US average: 89.6%
Graduate degree
3.0%
−1.0 ptssince 2000
from 4.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
38.1 min
+27%since 2000
from 30.1 min in 2000
US average: 26.5
Drive alone to work
81.4%
+3.5 ptssince 2009
from 77.9% in 2009
US average: 68.9%
Carpooled to work
0.0%
−10.0 ptssince 2009
from 10.0% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
8.1%
−4.0 ptssince 2009
from 12.1% in 2009
US average: 15.0%
Walked to work
10.5%
+10.5 ptssince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
3.3%
+0.8 ptssince 2009
from 2.5% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−8.5 ptssince 2011
from 8.5% in 2011
US average: 5.2%
Labor force participation
36.0%
−41.9 ptssince 2011
from 77.8% in 2011
US average: 63.5%
Self-employed
0.0%
−12.1 ptssince 2009
from 12.1% in 2009
US average: 13.1%
Management & professional
34.9%
−30.8 ptssince 2009
from 65.7% in 2009
US average: 42.5%
Section 08

People & community

Male
48.6%
−4.3 ptssince 2009
from 52.9% in 2009
Female
51.4%
+4.3 ptssince 2009
from 47.1% in 2009
Foreign born
0.0%
−8.2 ptssince 2009
from 8.2% in 2009
US average: 14.1%
Veterans
20.5%
−29.2 ptssince 2009
from 49.7% in 2009
US average: 6.2%
With a disability
14.8%
−8.5 ptssince 2012
from 23.3% in 2012
US average: 13.3%
Uninsured
21.0%
−61.1 ptssince 2013
from 82.1% in 2013
US average: 8.4%
Broadband at home
81.0%
−2.5 ptssince 2017
from 83.5% in 2017
US average: 91.0%
English only at home
98.3%
+5.9 ptssince 2016
from 92.4% in 2016
US average: 77.7%
Spanish at home
0.0%
−5.8 ptssince 2016
from 5.8% in 2016
US average: 13.6%
Drill deeper

Places similar to St. Marks

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Head to head

Compare St. Marks to nearby cities

ST. MARKS VS
Tallahassee
Income$57,409−8%
Home value$294,400+15%
Population204,902+63932%
SEE FULL COMPARISON →
ST. MARKS VS
Bradfordville
Income$133,359+114%
Home value$383,300+50%
Population18,953+5823%
SEE FULL COMPARISON →
ST. MARKS VS
Quincy
Income$32,125−48%
Home value$125,500−51%
Population8,162+2451%
SEE FULL COMPARISON →
ST. MARKS VS
Thomasville
Income$49,673−20%
Home value$205,200−20%
Population18,667+5733%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Marks, Florida?

St. Marks, Florida has about 243 residents according to the 2024 American Community Survey.

What is the median household income in St. Marks, Florida?

The typical household in St. Marks, Florida earns about $62,321 a year. Half of households make more than that, and half make less.

Is St. Marks, Florida expensive?

In St. Marks, Florida, the median home is worth about $256,300.

How educated are people in St. Marks, Florida?

About 8.2% of adults age 25 and over in St. Marks, Florida hold a bachelor's degree or higher.

What is the poverty rate in St. Marks, Florida?

About 3.7% of people in St. Marks, Florida live below the federal poverty line.

Has St. Marks, Florida grown since 1990?

Yes, St. Marks, Florida has shrunk since 1990. The population has lost about 66 residents, a change of about -21 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. Marks, Florida: demographics, income & housing data · CensusEasy