Residential delivery area · Florida
ZIP Code 34990: Palm City, FL
ZIP code 34990 uses the postal name Palm City, Florida and lies mostly in Martin County (98% of its land) with the rest in St. Lucie County (Census 2020 ZIP-county file). About 31,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $129,560 (Census Bureau, ACS 2020-2024). By Census place, 14% of its land lies in Palm City (a census-designated place); 86% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Palm City · its only residential ZIP
- County
- Martin County (98%); St. Lucie County (2%)
- Census places
- Palm City census-designated place
- Metro area
- Port St. Lucie, FL
- House district
- FL-21 119th Congress
- State
- Florida
- Time zone
- Eastern
- Land area
- 103.0 sq mi · 297 people per sq mi
- PO Box ZIPs
- 34991 also use the name Palm City
Where is ZIP code 34990?
34990 centers on 27.148°, -80.362° and covers 103.0 square miles of land plus 5.3 of water. It borders 7 ZIP codes: 34953, 34984, 34994, 34997, 34956, 34952, 34987.
The map draws ZIP code areas only. For the streets inside 34990, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 34990 compare with the rest of Martin County?
| Measure | 34990 | In Martin County | In FL |
|---|---|---|---|
| People (ACS 2020-2024) | 30,592 | 3rd of 12 | 292nd of 1,013 |
| Median household income | $130k | 2nd of 10 | 39th of 819 |
| Median home value | $592k | 4th of 11 | 97th of 833 |
Its median household income is higher than in 93% of U.S. residential ZIP codes, and it is denser than 67% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 34990?
The 2020 Census counted 31,160 people in 34990; the ACS, which samples households over 2020-2024, estimates 30,592. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 30,592
- 2020 Census count
- 31,160
- Households
- 12,082
- Median age
- 52.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 34990?
Of the 30,592 people the ACS estimates in 34990, 18.7% are under 18 and 29.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.9%), then Hispanic or Latino (10.3%).
- Under 1818.7%
- 18 to 6451.9%
- 65 and older29.4%
- White, not Hispanic82.9%
- Hispanic or Latino10.3%
- Other or two or more4.4%
- Asian, not Hispanic1.8%
- Black, not Hispanic0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 34990 earn?
Median household income is $129,560 (ACS 2020-2024), the 2nd highest of the 10 ranked ZIP codes in Martin County.
- Median household income
- $129,560±$15,931
- Income per person
- $68,503
- Below the poverty line
- 5.6%
- Unemployed (of the labor force)
- 4.3%
- Adults 25+ with a bachelor's degree
- 47.7%
- Adjusted gross income per tax return, 2022
- $201,06416,230 returns; wages 40% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 34990?
FHFA's house price index for 34990, built from repeat sales and appraisals of the same homes, rose 120% from 2015 to 2025 and rose 66% from 2020 to 2025, and moved −0.0% in 2025.
- Median home value (owners' estimate)
- $592,400
- Median gross rent
- $2,015
- Homes owned by their occupants
- 90.8%
- Housing units
- 13,728
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 34990?
1,116 business establishments had a location in this ZIP code in 2023, 169 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services184
- Construction166
- Administrative and support and waste management and remediation services104
- Health care and social assistance98
- Other services (except public administration)95
- Real estate and rental and leasing83
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 34990?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 34953 | Port Saint Lucie | 86,875 | $86k | 7.1 mi |
| 34984 | Port Saint Lucie | 20,151 | $81k | 7.2 mi |
| 34994 | Stuart | 18,737 | $63k | 7.4 mi |
| 34997 | Stuart | 47,075 | $78k | 8.8 mi |
| 34956 | Indiantown | 9,630 | $65k | 9.1 mi |
| 34952 | Port Saint Lucie | 42,655 | $62k | 11.0 mi |
| 34987 | Port Saint Lucie | 21,727 | $90k | 12.9 mi |
| 34996 | Stuart | 10,653 | $84k | 11.1 mi (near) |
| 34957 | Jensen Beach | 23,462 | $70k | 11.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Palm City?
1 more ZIP code carries the postal name Palm City, FL without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 34991 | Martin County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.