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County ZIP codes · Florida · FIPS 12111

St. Lucie County, FL ZIP Codes

St. Lucie County, Florida has 22 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 17 residential and 5 for PO boxes or a single organization. 14 of the residential ones lie mainly in St. Lucie County and 3 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $30,400 in 34950 (Fort Pierce) to $129,560 in 34990 (Palm City) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of St. Lucie County?

34945 · Fort Pierce: $88k34946 · Fort Pierce: $40k34947 · Fort Pierce: $52k34949 · Fort Pierce: $95k34950 · Fort Pierce: $30k34951 · Fort Pierce: $63k34952 · Port Saint Lucie: $62k34953 · Port Saint Lucie: $86k34957 · Jensen Beach: $70k34972 · Okeechobee: $61k34981 · Fort Pierce: $71k34982 · Fort Pierce: $54k34983 · Port Saint Lucie: $76k34984 · Port Saint Lucie: $81k34986 · Port Saint Lucie: $80k34987 · Port Saint Lucie: $90k34990 · Palm City: $130k349723494534990349873494934957349823495134953349833494634986349813494734945 · Fort Pierce: $88k34946 · Fort Pierce: $40k34947 · Fort Pierce: $52k34949 · Fort Pierce: $95k34950 · Fort Pierce: $30k34951 · Fort Pierce: $63k34952 · Port Saint Lucie: $62k34953 · Port Saint Lucie: $86k34957 · Jensen Beach: $70k34972 · Okeechobee: $61k34981 · Fort Pierce: $71k34982 · Fort Pierce: $54k34983 · Port Saint Lucie: $76k34984 · Port Saint Lucie: $81k34986 · Port Saint Lucie: $80k34987 · Port Saint Lucie: $90k34990 · Palm City: $130k349723494534990349873494934957349823495134953349863494734945 · Fort Pierce: $88k34946 · Fort Pierce: $40k34947 · Fort Pierce: $52k34949 · Fort Pierce: $95k34950 · Fort Pierce: $30k34951 · Fort Pierce: $63k34952 · Port Saint Lucie: $62k34953 · Port Saint Lucie: $86k34957 · Jensen Beach: $70k34972 · Okeechobee: $61k34981 · Fort Pierce: $71k34982 · Fort Pierce: $54k34983 · Port Saint Lucie: $76k34984 · Port Saint Lucie: $81k34986 · Port Saint Lucie: $80k34987 · Port Saint Lucie: $90k34990 · Palm City: $130k34972349453499034987
The residential ZIP codes of St. Lucie County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $61,040 and $85,667.

They carry 5 postal town names: Port Saint Lucie, Fort Pierce, Palm City, Jensen Beach, Okeechobee.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 17 residential ZIP codes in St. Lucie County

14 ZIP codes lie mainly in St. Lucie County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in St. Lucie County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
34953 Port Saint Lucie 86,875 3,646 $86k $367k 100%
34983 Port Saint Lucie 49,001 3,282 $76k $339k 100%
34952 Port Saint Lucie 42,655 1,732 $62k $282k 100%
34982 Fort Pierce 31,143 2,009 $54k $262k 100%
34986 Port Saint Lucie 30,715 1,636 $80k $409k 100%
34987 Port Saint Lucie 21,727 190 $90k $461k 100%
34984 Port Saint Lucie 20,151 2,057 $81k $360k 100%
34950 Fort Pierce 17,461 3,380 $30k $213k 100%
34951 Fort Pierce 17,148 702 $63k $245k 100%
34947 Fort Pierce 12,804 1,319 $52k $279k 100%
34949 Fort Pierce 7,470 791 $95k $484k 100%
34946 Fort Pierce 6,852 450 $40k $158k 100%
34945 Fort Pierce 6,321 29 $88k $346k 100%
34981 Fort Pierce 5,031 467 $71k $373k 100%

Partly in St. Lucie County

Residential ZIP codes mainly in another county that reach at least 1% into St. Lucie County, by their share here
In this county
34957 Jensen Beach 23,462 1,434 $70k $417k 38%
34972 Okeechobee 20,066 23 $61k $220k 6%
34990 Palm City 30,592 297 $130k $592k 2%

Download the 22 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of St. Lucie County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in St. Lucie County and in the neighboring counties
ZIPIn St. LucieElsewhere
349902%Martin County 98%
3495738%Martin County 62%
349726%Okeechobee County 80%; Osceola County 14%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in St. Lucie County without a residential area (GeoNames postal codes)
ZIPPostal name
34948Fort Pierce
34954Fort Pierce
34979Fort Pierce
34985Port Saint Lucie
34988Port Saint Lucie

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do St. Lucie County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of St. Lucie County starts with 349.

Three-digit prefixes of St. Lucie County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are St. Lucie County's
PrefixSectional centerHereAll codes
349 West Palm Bch, FL (SCF 334) 22 32

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.