Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/FL/COUNTY/MARTIN

Martin County, FL ZIP codes

There are 14 ZIP codes in Martin County, FL, in 8 towns, from 33438 to 34997. The largest are 34997 (Stuart), 34990 (Palm City) and 34957 (Jensen Beach). 1 more crosses into it from a neighbouring county: 34974.

The county seat is Stuart.

ZIP codes
14
Partly in it
1 more
Towns
8
County seat
Stuart
County FIPS
12085
State
Florida
Population
162,176
Median household income
$82,943
Land area
544 sq mi
Area codes
561, 728, 772
Metro area
Port St. Lucie

Martin County ZIP codes by town

Stuart (county seat)
34994, 34995, 34996, 34997

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Martin County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Martin County.

Map of Martin County ZIP codes

The ZIP codes of Martin County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Martin County in numbers

About 162,176 people live in Martin County, in 67,801 households, the 33rd most populous of Florida's 67 counties. The median household income is $82,943 a year, 11% above the Florida median of $74,568 (US: $80,734). The median owner-occupied home is valued at $432,200 (20% above the Florida median), and median gross rent is $1,569 a month. The median age is 53.3; 37.1% of adults 25 and over hold a bachelor's degree or higher (34.1% across Florida); the average commute takes 28 minutes.

Population162,176Martin162,176
Households67,801Martin67,801
Median age53.3Martin53.3Florida42.6US 38.9
Median household income$82,943Martin$82,943Florida$74,568US $80,734
Median home value$432,200Martin$432,200Florida$359,000US $332,700
Median gross rent$1,569Martin$1,569Florida$1,669US $1,413
Bachelor's degree or higher37.1%Martin37.1%Florida34.1%US 35.7%
Mean commute28.4 minMartin28.4 minFlorida28.0 minUS 26.4 min
Population density298 / sq miMartin298 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Martin County

Largest towns in Martin County
TownZIP codesPopulation
Jupiter 1 61,883
Palm City 2 26,371
Stuart 4 18,520
Hobe Sound 2 13,817
Jensen Beach 2 12,531
Port Salerno 1 11,184
Indiantown 1 6,695
Canal Point 1 207

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Martin County.

Not sure you are in Martin County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Martin County, with figures

ZIP codes in Martin County
ZIP City Type Population Median income Median home
33438 Canal Point , FL Standard 257 — —
33455 Hobe Sound , FL Standard 20,018 $70,389 $450,600
33469 Jupiter , FL Standard 14,686 $106,265 $615,700
33475 Hobe Sound , FL No street area — — —
34956 Indiantown , FL Standard 9,630 $64,526 $217,000
34957 Jensen Beach , FL Standard 23,462 $70,403 $416,700
34958 Jensen Beach , FL No street area — — —
34990 Palm City , FL Standard 30,592 $129,560 $592,400
34991 Palm City , FL No street area — — —
34992 Port Salerno , FL No street area — — —
34994 Stuart , FL Standard 18,737 $62,533 $274,300
34995 Stuart , FL No street area — — —
34996 Stuart , FL Standard 10,653 $83,929 $456,800
34997 Stuart , FL Standard 47,075 $78,136 $378,900

Cite this page

zipcodes.pro. “Martin County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/fl/county/martin

Underlying data is public domain or openly licensed — sources, vintages and licences.