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

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zipcodes.pro — STATE/FL/COUNTY/ST-LUCIE

St. Lucie County, FL ZIP codes

There are 19 ZIP codes in St. Lucie County, FL, in 2 towns, from 34945 to 34988. The largest are 34953 (Port Saint Lucie), 34983 (Port Saint Lucie) and 34952 (Port Saint Lucie). 1 more crosses into it from a neighbouring county: 34972.

The county seat is Fort Pierce.

ZIP codes
19
Partly in it
1 more
Towns
2
County seat
Fort Pierce
County FIPS
12111
State
Florida
Population
360,500
Median household income
$71,457
Land area
572 sq mi
Area code
772
Metro area
Port St. Lucie

St. Lucie County ZIP codes by town

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 St. Lucie County

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

Map of St. Lucie County ZIP codes

34945349463494734948349493495034951349523495334954349793498134982349833498434985349863498734988

The ZIP codes of St. Lucie 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.

St. Lucie County in numbers

About 360,500 people live in St. Lucie County, in 137,453 households, the 20th most populous of Florida's 67 counties. The median household income is $71,457 a year, 4% below the Florida median of $74,568 (US: $80,734). The median owner-occupied home is valued at $347,300 (3% below the Florida median), and median gross rent is $1,585 a month. The median age is 45.1; 26.7% of adults 25 and over hold a bachelor's degree or higher (34.1% across Florida); the average commute takes 29 minutes.

Population360,500St. Lucie360,500
Households137,453St. Lucie137,453
Median age45.1St. Lucie45.1Florida42.6US 38.9
Median household income$71,457St. Lucie$71,457Florida$74,568US $80,734
Median home value$347,300St. Lucie$347,300Florida$359,000US $332,700
Median gross rent$1,585St. Lucie$1,585Florida$1,669US $1,413
Bachelor's degree or higher26.7%St. Lucie26.7%Florida34.1%US 35.7%
Mean commute29.3 minSt. Lucie29.3 minFlorida28.0 minUS 26.4 min
Population density630 / sq miSt. Lucie630 / 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 St. Lucie County

Largest towns in St. Lucie County
TownZIP codesPopulation
Port St. Lucie 8 232,491
Fort Pierce 11 49,082

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 St. Lucie County.

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

Every ZIP code in St. Lucie County, with figures

ZIP codes in St. Lucie County
ZIP City Type Population Median income Median home
34945 Fort Pierce , FL Standard 6,321 $87,568 $345,700
34946 Fort Pierce , FL Standard 6,852 $40,315 $158,300
34947 Fort Pierce , FL Standard 12,804 $51,811 $279,000
34948 Fort Pierce , FL No street area — — —
34949 Fort Pierce , FL Standard 7,470 $94,949 $483,700
34950 Fort Pierce , FL Standard 17,461 $30,400 $213,200
34951 Fort Pierce , FL Standard 17,148 $63,122 $244,900
34952 Port Saint Lucie , FL Standard 42,655 $61,628 $282,200
34953 Port Saint Lucie , FL Standard 86,875 $85,667 $366,800
34954 Fort Pierce , FL No street area — — —
34979 Fort Pierce , FL No street area — — —
34981 Fort Pierce , FL Standard 5,031 $71,136 $373,000
34982 Fort Pierce , FL Standard 31,143 $54,082 $262,000
34983 Port Saint Lucie , FL Standard 49,001 $75,489 $338,700
34984 Port Saint Lucie , FL Standard 20,151 $80,725 $359,800
34985 Port Saint Lucie , FL No street area — — —
34986 Port Saint Lucie , FL Standard 30,715 $80,047 $408,800
34987 Port Saint Lucie , FL Standard 21,727 $90,201 $460,900
34988 Port Saint Lucie , FL No street area — — —

Cite this page

zipcodes.pro. “St. Lucie County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/fl/county/st-lucie

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