ZIP codes

ZIP codes in Martin County, Florida

Martin County has 12 ZIP codes. 5 lie entirely inside it and 7 are shared with neighboring counties, so part of their land and their people are elsewhere. About 159,670 people live in the parts inside it (ACS 2020–2024).

By the All Map Tools Team

ZIP codes: 12; With 1% or more of their land inside
Entirely inside: 5; 99% or more of their land
Shared with other counties: 7; Most with Palm Beach County (4)
Most populated ZIP: 34997; 47,075 people · Port Salerno
Least populated ZIP: 33438; 257 people · Canal Point
Largest ZIP by land: 34956; 166 sq mi · Indiantown

Map of the ZIP codes in Martin County

Entirely in the county (99% or more of its land)
Shared, mostly in this county
Shared, mostly in other counties
Neighboring counties

Open in the interactive tool

Each area is a ZIP code with its number where it fits. Hover over one to see its name.

All ZIP codes in Martin County

12 ZIP codes in Martin County, FL, by number
ZIP code	Main city	Population	Land in the county	Residents in the county
33438	Canal Point	257	65%	≈ 29
33455	Hobe Sound	20,018	100%	20,018
33458	Jupiter	55,512	19%	≈ 261
33469	Tequesta	14,686	72%	≈ 4,828
33478	Jupiter Farms	14,731	18%	≈ 1,820
34956	Indiantown	9,630	100%	9,630
34957	Jensen Beach	23,462	62%	≈ 16,583
34974	Taylor Creek	23,975	15%	≈ 1,021
34990	Palm City	30,592	98%	≈ 29,015
34994	Stuart	18,737	100%	18,737
34996	Stuart	10,653	100%	10,653
34997	Port Salerno	47,075	100%	47,075

ZIP codes shared with other counties

These 7 ZIP codes have part of their land in another county. The first figure is the share of their land in Martin County; then, where the rest lies.

33438 (Canal Point): 65% here; 35% in Palm Beach County.
33458 (Jupiter): 19% here; 81% in Palm Beach County.
33469 (Tequesta): 72% here; 28% in Palm Beach County.
33478 (Jupiter Farms): 18% here; 82% in Palm Beach County.
34957 (Jensen Beach): 62% here; 38% in St. Lucie County.
34974 (Taylor Creek): 15% here; 53% in Glades County, 22% in Okeechobee County, and 9.8% in Highlands County.
34990 (Palm City): 98% here; 1.8% in St. Lucie County.

Cities and prefixes

By main city (the city, town or CDP each ZIP shares the most land with), the ones with the most are Stuart (2), Canal Point (1), Hobe Sound (1), Indiantown (1), Jensen Beach (1), and Jupiter (1); 11 places in all.

They start with 2 different three-digit prefixes, one per USPS sorting center: 334 and 349.

Neighboring counties

Each one with its ZIP codes. Those without a page of their own open in the tool.

Tools for this county

ZIP codes by county or city The same ZIP codes on an interactive map, with the list as CSV or to copy County map with cities Its cities, towns and CDPs with their population ZIP codes in a radius The ZIP codes within 10 miles of its center, or any distance you like

Sources

U.S. Census Bureau, 2020 ZCTA to County, ZCTA to Place and ZCTA to Census Tract Relationship Files (and the 2022 County Subdivision to ZCTA file for Connecticut). Public domain.
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table B01003 (population of each ZIP code, census tract and Connecticut town). Public domain.
U.S. Census Bureau, Vintage 2025 Population Estimates (county population) and 2025 Gazetteer Files (land area and interior point of each ZIP code). Public domain.
U.S. Census Bureau, Cartographic Boundary Files: ZCTAs 2020 and counties 2025, 1:500,000; county adjacency file 2025. Public domain.

How we count. ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas (ZCTAs), the areas it draws to match USPS ZIP codes; ZIPs with no area of their own (PO boxes, single buildings) aren’t included. A ZIP can cross county lines: “Land in the county” is the exact share of its land inside, from the Census relationship files. “Residents in the county” is the whole ZIP for those entirely inside; for shared ones it’s an estimate, spreading the people of each census tract over the land it shares with the ZIP. Population: ACS 2020–2024. Methodology.

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