What is the largest city in Martin County, FL?

Palm City is the largest city or town in Martin County, with about 26,371 residents.

How many ZIP codes are in Martin County?

Martin County includes 7 ZIP Code Tabulation Areas, including 33455, 33469, 34956, 34990, 34994.

What is the population of Martin County, FL?

About 162,176 people live in Martin County, based on American Community Survey 5-year estimates.

What counties border Martin County?

Martin County borders Palm Beach County, St. Lucie County, Hendry County, Okeechobee County, Glades County.

Martin County, FL: Cities, ZIP Codes & Local Data

Population

162,176

Land area

544sq mi

People per sq mi

298

ZIP codes

7

Martin County at a glance

Martin County is 29% less dense than Florida as a whole.
The median household income is $82,943, 11% above the Florida median of $74,568.
A typical owner-occupied home is valued at $432,200 (20% above Florida) and median rent is $1,569 a month.
Its largest cities are Palm City (26,371), Stuart (18,520) and Hobe Sound (13,817).

Local data for Martin County, FL

Counts from official public data

Housing and community stats

Martin County, FL, American Community Survey 2020-2024

Full profile

Median household income

$82,943

Poverty rate

11.3%

Median home value

$432,200

Prices -1.7% in a year

Median rent

$1,569/mo

Homeownership

79.6%

Bachelor's or higher

37.1%

Median age

53.3

Average commute

28.4 min

Largest reported origins and ancestries: Irish Americans (23,995), German Americans (23,587), Italian Americans (18,028).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.6%

Sep 2026, 0.0 pts in a year

Average annual pay

$62,234

77,918 jobs, 2025

Income per person

$124,697

BEA, 2024

Federal spending

$1.5B

FY 2026, $9,358 per person

PPP loans

$402M

5,883 loans, 50,270 jobs reported

Campaign donations

$9.8M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Martin County, FL, workers 16 and older. American Community Survey 5-year estimates

Drove alone71.6%
Carpooled8.7%
Public transit0.3%
Walked1.2%
Bicycle0.5%
Taxi, ride-hailing, motorcycle or other1.9%
Worked from home15.7%

Average one-way commute: 28.4 minutes for people who do not work from home.

Environment and hazard risk

Martin County, FL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hurricane

Storm events since 1996

191

Most often hail

Flood insurance policies

9,539

14.1% of homes, county

July high / Jan low

90° / 54°F

64.2 inches of rain a year

Hazards, floods and storm history Check a flood zone 13 historic places

Health statistics

Share of adults in Martin County, FL, CDC PLACES estimates

All 40 measures

Obesity

27.0%

U.S. 33.3% -6.3 pts

Diabetes

13.6%

U.S. 12.1% +1.5 pts

Smoking

11.4%

U.S. 12.8% -1.4 pts

Uninsured (18-64)

12.2%

U.S. 11.1% +1.1 pts

Cities, towns and ZIP codes in Martin County

Population shown

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Frequently asked questions

What is the largest city in Martin County, FL?: Palm City is the largest city or town in Martin County, with about 26,371 residents.
How many ZIP codes are in Martin County?: Martin County includes 7 ZIP Code Tabulation Areas, including 33455, 33469, 34956, 34990, 34994.
What is the population of Martin County, FL?: About 162,176 people live in Martin County, based on American Community Survey 5-year estimates.
What counties border Martin County?: Martin County borders Palm Beach County, St. Lucie County, Hendry County, Okeechobee County, Glades County.