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 — CITY/FL/SAN-CASTLE

San Castle ZIP codes, Florida

No ZIP code is named for San Castle, FL; addresses there use a neighbouring town's name. The ZIP code covering it is 33462. Its area codes are 561 and 728.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
3,052
Area codes
561, 728
State
Florida

NANPA lists no telephone rate centre for San Castle itself, so these are the area codes of the nearest one, Boynton Beach (3.0 miles). A town on an area-code boundary can differ from its neighbour.

San Castle in numbers

About 3,052 people live in San Castle, in 975 households. The median household income is $57,228 a year, 23% below the Florida median of $74,568 (US: $80,734). The median owner-occupied home is valued at $303,900 (15% below the Florida median), and median gross rent is $1,596 a month. The median age is 36.4; 17.6% of adults 25 and over hold a bachelor's degree or higher (34.1% across Florida); the average commute takes 29 minutes.

Population3,052San Castle3,052
Households975San Castle975
Median age36.4San Castle36.4Florida42.6US 38.9
Median household income$57,228San Castle$57,228Florida$74,568US $80,734
Median home value$303,900San Castle$303,900Florida$359,000US $332,700
Median gross rent$1,596San Castle$1,596Florida$1,669US $1,413
Bachelor's degree or higher17.6%San Castle17.6%Florida34.1%US 35.7%
Mean commute28.8 minSan Castle28.8 minFlorida28.0 minUS 26.4 min
Population density7,267 / sq miSan Castle7,267 / sq mi

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

ZIP codes covering San Castle

These ZIP codes cover part of San Castle but are addressed as somewhere else.

ZIP codes overlapping San Castle
ZIP City Type Population Median income Median home
33462 Lake Worth , FL Standard 33,371 $73,997 $368,600

Map of San Castle ZIP codes

33462

The ZIP codes of San Castle, FL, 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.

Towns near San Castle

The nearest larger towns are Lantana (12,256 people, 1.3 mi), Boynton Beach (81,435 people, 2.8 mi) and Lake Worth Beach (43,365 people, 3.8 mi).

Towns near San Castle
TownPopulationDistance
Hypoluxo 2,798 0.6 mi
Lantana 12,256 1.3 mi
Seminole Manor 2,678 2.8 mi
Boynton Beach 81,435 2.8 mi
Lake Worth Beach 43,365 3.8 mi
Palm Springs 27,356 5.4 mi
Lake Clarke Shores 3,587 5.6 mi
Greenacres 44,373 6.4 mi
Delray Beach 67,979 7.8 mi
Palm Beach 9,348 9.0 mi
Haverhill 2,823 9.5 mi
Westgate 8,151 9.6 mi
Lake Belvedere Estates 2,672 9.8 mi
Highland Beach 4,311 10.6 mi

More nearby: every ZIP code in Palm Beach County · Florida ZIP codes

Cite this page

zipcodes.pro. “San Castle, FL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/fl/san-castle

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