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CITY · 1990 CENSUS

St. Marks

Florida · 309 residents · 1.96 sq mi
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The short version

With 309 people, St. Marks is a city in Florida. The median age is 43.1, about 10 years above the US median. The typical home is worth $42,500. About 10% of adults have finished a four-year degree. The average commute runs 33 minutes. That trails the Florida median by roughly 19%.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 43.1
US median: 33.0
Less educated
10% hold a bachelor's degree
US average: 20%
More affordable
home values down 20%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
309
+14%vs 2000
vs 272 in 2000
1990 – 2025
Median age
43.1
−2%vs 2000
vs 44.0 in 2000
US average: 33.0
Land area
1.96 sq mi
Population, 1990 – 2024
17621224928532119902000201020202024St. Marks
2024243
1990201020202024
Age distribution, 1990
Under 54.9%(15)
US avg: 7.3%
5 to 95.8%(18)
US avg: 7.3%
10 to 147.4%(23)
US avg: 6.9%
15 to 191.3%(4)
US avg: 7.1%
20 to 243.6%(11)
US avg: 7.5%
25 to 3414.2%(44)
US avg: 17.5%
35 to 4416.2%(50)
US avg: 15.1%
45 to 5411%(34)
US avg: 10.2%
55 to 6410.7%(33)
US avg: 8.5%
65 to 7418.1%(56)
US avg: 7.3%
75 to 845.5%(17)
US avg: 4%
85 and over1.3%(4)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$22,188
+16%inflation adjusted, since 2000
vs $25,156 in 2000
US average: $30,130
1990 – 2024
Per capita income
$13,734
−8%vs 2000
vs $14,994 in 2000
US average: $14,340
Poverty rate
15.2%
−4.3 ptsvs 2000
vs 19.5% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$42,500
−20%inflation adjusted, since 2000
vs $70,000 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$375
+25%inflation adjusted, since 2000
vs $396 in 2000
US average: $450
Owner-occupied
63.2%
−9.0 ptsvs 2000
vs 72.3% in 2000
36.8% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic93.8%(255)
Black2.6%(7)
Hispanic / Latino0.4%(1)
Asian0.4%(1)
Other0%
1990
White, non-Hispanic96.4%(298)
Black1.9%(6)
Hispanic / Latino1%(3)
Asian0.6%(2)
Other1%(3)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Ancestry
American11.5%(28)
Irish9.1%(22)
German6.2%(15)
English4.9%(12)
Scottish2.9%(7)
Czech1.6%(4)
Italian1.6%(4)
Polish1.6%(4)
French1.2%(3)
Section 05

Education

Bachelor's degree or higher
10.1%
Unchangedvs 2000
vs 10.1% in 2000
US average: 20.3%
High school or higher
64.7%
−10.2 ptsvs 2000
vs 74.9% in 2000
US average: 75.2%
Graduate degree
2.9%
−1.1 ptsvs 2000
vs 4.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
32.9 min
+9%vs 2000
vs 30.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married15.8%(18)
Married72.8%(83)
Widowed1.8%(2)
Divorced9.6%(11)
Women 15+
Never married0%(0)
Married52.8%(66)
Widowed8.8%(11)
Divorced38.4%(48)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
21.0%
+3.1 ptssince 2013
from 17.9% in 2013
US average: 8.4%
Employer-based
26.3%
−2.5 ptssince 2020
from 28.8% in 2020
US average: 54.8%
Direct-purchase
42.0%
−1.5 ptssince 2020
from 43.5% in 2020
US average: 13.8%
Medicare
47.3%
−7.4 ptssince 2020
from 54.7% in 2020
US average: 18.4%
Medicaid
6.6%
+0.7 ptssince 2020
from 5.9% in 2020
US average: 20.9%
VA health care
19.3%
−1.0 ptssince 2020
from 20.3% in 2020
US average: 2.2%
Any private
68.3%
−4.1 ptssince 2020
from 72.4% in 2020
US average: 67.1%
Any public
50.6%
−7.3 ptssince 2020
from 57.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)12.2%(6)
US avg: 26.4%
Gulf War (1990s)8.2%(4)
US avg: 24.3%
Vietnam era87.8%(43)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 49 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to St. Marks

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Pop 323
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Pop 355
Day
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Pop 336
Places similar to St. Marks
Head to head

Compare St. Marks to nearby cities

ST. MARKS VS
Tallahassee
Income$57,409+159%
Home value$294,400+593%
Population204,902+63932%
SEE FULL COMPARISON →
ST. MARKS VS
Bradfordville
Income$133,359+501%
Home value$383,300+802%
Population18,953+5823%
SEE FULL COMPARISON →
ST. MARKS VS
Quincy
Income$32,125+45%
Home value$125,500+195%
Population8,162+2451%
SEE FULL COMPARISON →
ST. MARKS VS
Thomasville
Income$49,673+124%
Home value$205,200+383%
Population18,667+5733%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Marks, Florida?

St. Marks, Florida has about 309 residents according to the 1990 Census.

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

The typical household in St. Marks, Florida earns about $22,188 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 $42,500, and the typical rent is about $375 a month.

How educated are people in St. Marks, Florida?

About 10.1% 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 15.2% of people in St. Marks, Florida live below the federal poverty line.

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

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