What are the schools like in Marathon, FL?

Marathon is served primarily by MONROE. The district operates 13 elementary schools, several middle schools, and 11 high schools with a student-to-teacher ratio of 17.1:1.

What is the median household income in Marathon?

The median household income in Marathon, FL is $70,313 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 6.0%.

What is the weather like in Marathon, FL?

Marathon has an average high temperature of 75.8°F in January and 90.9°F in July. Annual precipitation averages 39.7 inches.

Marathon, FL Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is Marathon, FL affordable or expensive?

Marathon's cost of living index is 108, where 100 represents the national average. This means Marathon is 8% more expensive than the average US city. The median home value is $644,600 and the median rent is $1,477 per month.

Q: What is the crime rate in Marathon, FL?

Marathon has a violent crime rate of 117.2 incidents per 100,000 residents and a property crime rate of 751.7 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is Marathon, FL a Good Place to Live?

Marathon is a small town of 9,789 in Florida, with a median household income of $70,313 and a 6.0% unemployment rate. Its cost of living index is 108 (US average = 100), which is 8% above the national average.

Strengths: Marathon stands out for solid school ratings (B), short average commutes.

Trade-offs: Potential downsides include high home prices, an elevated unemployment rate. Whether Marathon is right for you depends on your priorities — the full breakdown is below.

All Marathon city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 107.9

Marathon's overall cost of living index is 107.9, where 100 represents the US national average. Living in Marathon costs roughly 8% more than the average American city.

Metric	Marathon, FL	National Avg
Median Home Value	$644,600	$244,900
Median Monthly Rent	$1,477	$1,163
Homeownership Rate	51.9%	65.9%
Median Household Income	$70,313	$74,755

Crime & Safety

Very Safe

Marathon's violent crime rate is 117.2 per 100,000 residents — 69% lower than the national average of ~380 per 100,000.

Violent Crime

117.2 /100k

Property Crime

751.7 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Marathon is served primarily by MONROE. The student-to-teacher ratio is 17.1:1 (slightly above the national average of ~16:1).

Metric	Marathon, FL	National Avg
School District	MONROE	—
Elementary Schools	13	—
Middle Schools	N/A	—
High Schools	11	—
Student/Teacher Ratio	17.1:1	16:1
Bachelor's Degree or Higher	29.9%	35.4%
High School Diploma or Higher	88.1%	91.1%

Weather & Climate

Marathon sees average highs of 75.8°F in January and 90.9°F in July, with 39.7 inches of annual precipitation .

Metric	Marathon, FL
Average High — January	75.8°F
Average High — July	90.9°F
Annual Precipitation	39.7"
Annual Snowfall	Trace / None

Demographics

Metric	Marathon, FL	National Avg
Population	9,789	—
Median Age	47.2	38.9
Unemployment Rate	6.0%	3.7%
Avg Commute Time	13.4 min	26 min
White (non-Hispanic)	73.5%	59.3%
Black or African American	4.2%	13.6%
Hispanic or Latino	19.5%	18.9%
Asian	0.5%	6.3%
Under 18	19.0%	22.2%
65 and over	21.3%	16.8%

Nearby Cities

Key Colony Beach, FL 1 mi Duck Key, FL 8 mi Layton, FL 15 mi Big Pine Key, FL 21 mi Cudjoe Key, FL 30 mi

ZIP Codes in Marathon

Marathon, FL is covered by 1 ZIP code:

33050

Marathon vs Other Cities

Marathon, FL vs Key Colony Beach, FL Marathon, FL vs Duck Key, FL Marathon, FL vs Layton, FL Marathon, FL vs Big Pine Key, FL Marathon, FL vs Cudjoe Key, FL

Frequently Asked Questions

Is Marathon, FL affordable or expensive?

Marathon's cost of living index is 108, where 100 is the national average. That puts Marathon roughly 8% above the national average in cost. The median home price is $644,600 and median rent is $1,477/month.

What is the crime rate in Marathon, FL?

Marathon's violent crime rate is 117.2 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 751.7 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in Marathon?

Public schools in Marathon are operated by MONROE. The district has 13 elementary, several middle, and 11 high schools. The student-to-teacher ratio is 17.1:1. 29.9% of adults 25+ hold a bachelor's degree or higher.

Is Marathon, FL a good place to live?

Marathon, FL has a population of 9,789, a median household income of $70,313, and an unemployment rate of 6.0%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in Marathon?

Marathon averages 75.8°F in January and 90.9°F in July. Annual rainfall is 39.7 inches . Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Marathon?

Marathon, FL is covered by 1 ZIP code: 33050.

What is the population of Marathon?

The population of Marathon, Florida is 9,789 with a median age of 47.2. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Marathon?

Key numbers for living in Marathon: cost of living index 108 (100 = US average), median home $644,600, median household income $70,313, crime index 33 (100 = US average, lower is safer), schools rated B. Whether these are benefits or drawbacks depends on where you're coming from — compare Marathon side by side with your current city to see the trade-offs.