Marathon vs Stock Island

A side-by-side comparison of Marathon and Stock Island: population, income, housing, and more.

Marathon and Stock Island are places in Florida. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Marathon has the higher population (9,831 vs 4,724 in Stock Island). Marathon has the higher median household income ($80,556 vs $67,005 in Stock Island). Marathon has the higher median home value ($683,700 vs $513,300 in Stock Island).

Population, income & housing

	Marathon	Stock Island
Population	9,831	4,724
Median age	45.6 yrs	35.2 yrs
Median household income	$80,556	$67,005
Median home value	$683,700	$513,300
Median gross rent	$1,592	$2,009
Housing units	6,442	1,966
Homeownership rate	57.8%	28.0%
Bachelor's degree or higher	33.0%	25.0%
Unemployment rate	5.4%	1.6%

Trends (ACS 5-year, 2019–2023)

	Marathon	Stock Island
Population	8,702 → 9,831 (+13.0%)	4,416 → 4,724 (+7.0%)
Median household income	$56,365 → $80,556 (+42.9%)	$53,524 → $67,005 (+25.2%)
Median home value	$425,200 → $683,700 (+60.8%)	$309,700 → $513,300 (+65.7%)
Median gross rent	$1,319 → $1,592 (+20.7%)	$1,323 → $2,009 (+51.9%)

Marathon

Population

8,7029,831

Median household income

$56,365$80,556

Median home value

$425,200$683,700

Median gross rent

$1,319$1,592

Stock Island

Population

4,4164,724

Median household income

$53,524$67,005

Median home value

$309,700$513,300

Median gross rent

$1,323$2,009

Age & race/ethnicity

Age distribution (share)

	Marathon	Stock Island
Under 5	5.4%	9.8%
5 to 17	14.7%	14.0%
18 to 24	5.1%	8.0%
25 to 34	10.3%	17.4%
35 to 44	13.5%	21.0%
45 to 54	16.1%	10.1%
55 to 64	14.0%	8.9%
65 to 74	12.4%	6.9%
75 and over	8.4%	4.0%

Race & ethnicity (share)

	Marathon	Stock Island
White (non-Hispanic)	59.3%	29.4%
Black or African American	3.9%	30.2%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.4%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.0%
Two or more races	3.2%	2.2%
Hispanic or Latino	33.1%	38.1%

Educational attainment (age 25+)

Share of adults 25+

	Marathon	Stock Island
No high school diploma	9.7%	17.3%
High school graduate	29.6%	35.3%
Some college or associate's	27.7%	22.3%
Bachelor's degree	19.4%	16.3%
Graduate or professional degree	13.5%	8.7%

Commute to work

How workers get to work (share)

	Marathon	Stock Island
Drove alone	62.0%	68.4%
Carpooled	10.6%	11.3%
Public transit	0.0%	0.0%
Walked	11.8%	3.7%
Bicycle	1.0%	6.3%
Worked from home	10.9%	3.7%
Other means	3.6%	6.6%

Housing

Units in structure (share)

	Marathon	Stock Island
1-unit, detached	49.5%	27.1%
1-unit, attached	8.3%	8.9%
2 to 4 units	8.1%	15.7%
5 to 19 units	11.4%	6.8%
20 or more units	9.8%	17.9%
Mobile home & other	12.8%	23.7%

Poverty & households

	Marathon	Stock Island
Poverty rate	11.4%	14.9%
Average household size	2.46	2.68
Mean commute (minutes)	13	14
Median year structure built	1980	1985