Martin County, Florida Demographics 2026

Name: Martin County, Florida Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Martin County, Florida has a population of 162,176, the 33rd most populous county in Florida. The median household income is $82,943 and the median home value is $432,200. The poverty rate is 11.3%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Martin County Quick Facts

Population 162,176

Median Household Income $82,943

Median Home Value $432,200

Poverty Rate 11.3%

Unemployment Rate 4.9%

Median Age 53.3 years

Homeownership Rate 79.6%

Affordability Ratio 5.2x

Bachelor's Degree+ 37.1%

High School Graduation 93.0%

Cities/Places 11

Population 162,176 33rd of 67

Median Income $82,943 11% higher than state

Poverty Rate 11.3%

Unemployment 4.9%

How Martin County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	160,464	162,176	+1.1%
Median household income	$80,701	$82,943	+2.8%
Median home value	$386,500	$432,200	+11.8%

Median Household Income

Martin

$82,943

$74,568

National

$80,734

Median Home Value

Martin

$432,200

$359,000

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 12.7%

$25K-$50K 19.0%

$50K-$100K 26.3%

$100K+ 42.1%

Detailed income brackets

Under $10K

4.9%

$10K-$15K

2.6%

$15K-$20K

2.4%

$20K-$25K

2.8%

$25K-$30K

4.1%

$30K-$35K

4.0%

$35K-$40K

3.4%

$40K-$45K

4.4%

$45K-$50K

3.1%

$50K-$60K

6.2%

$60K-$75K

7.9%

$75K-$100K

12.2%

$100K-$125K

9.8%

$125K-$150K

7.9%

$150K-$200K

9.3%

$200K+

15.0%

Employment

4.9% Unemployment Rate State: 4.8%|National: 5.2%

52.0% Labor Force Participation

Housing Overview

Owner 79.6%

Renter 20.4%

Affordability Index Expensive

5.2x home value to income ratio

Median gross rent $1,569/mo 22.7% of median household income annually

People & Demographics

Age Distribution

Under 18

16.1%

18-34

15.3%

35-54

20.9%

55-74

31.4%

75+

16.2%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 65 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Martin County

City	Population	Median Income	Poverty	Home Value
Palm City	26,371	$125,820	5.6%	$563,400
Stuart	18,520	$60,225	17.3%	$329,400
Hobe Sound	13,817	$63,484	15.7%	$394,700
Jensen Beach	12,531	$70,884	16.7%	$411,700
Port Salerno	11,184	$67,436	7.1%	$352,600
Indiantown	6,695	$55,520	23.3%	$204,900
North River Shores	3,633	$75,896	13.2%	$309,800
Sewall's Point	1,938	$129,000	2.5%	$1,502,200
Rio	1,232	$91,953	13.6%	$303,800
Jupiter Island	845	$219,722	20.7%	$2,000,000+
Ocean Breeze	777	$95,833	3.2%	$302,600

Explore Florida Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Martin County is located in Florida with a total population of 162,176. It is the 33rd most populous county out of 67 in Florida. The county encompasses 11 Census-designated places.

Age Demographics

The median age in Martin County is 53.3 years. This is 25% higher than the state median of 42.6 years. 16.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Martin County is $82,943. This is 11% higher than the state median of $74,568. It is also 3% higher than the national median of $80,734. The poverty rate stands at 11.3%. This is 10% lower than the state poverty rate of 12.6%. The unemployment rate is 4.9%. This is 1% higher than the state rate of 4.8%. The median home value is $432,200. Housing costs are 20% higher than the state median of $359,000. The home-value-to-income ratio is 5.2x. 79.6% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 67.6%.

Race & Ethnicity

The largest racial or ethnic group in Martin County is White (non-Hispanic), making up 74.8% of the population. Hispanic or Latino residents account for 15.9%. The Black or African American population (4.7%) is well below the state average of 14.6%. The Asian population (1.3%) is well below the state average of 2.9%.

Education

37.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% higher than the state rate of 34.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.0%.

Data Sources & Methodology

All figures for Martin County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Florida and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Martin County, Florida?

Martin County has a population of 162,176, making it the 33rd most populous county in Florida.

What is the median income in Martin County?

The median household income in Martin County is $82,943 with a poverty rate of 11.3%.

How many cities are in Martin County, Florida?

Martin County contains 11 Census-designated places.