Residential delivery area · Florida
ZIP Code 33556: Keystone (Odessa), FL
ZIP code 33556 is in Keystone (postal name Odessa), Florida, mostly in Hillsborough County (53% of its land) with the rest in Pasco County (Census 2020 ZIP-county file). About 36,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $149,722 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Keystone (51%) and Odessa (6%), and 3% in smaller places; 41% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Odessa · its only residential ZIP
- County
- Hillsborough County (53%); Pasco County (47%)
- Census places
- Keystone (51%) census-designated place; Odessa (6%) census-designated place
- Metro area
- Tampa-St. Petersburg-Clearwater, FL
- House districts
- FL-14 (53%), FL-12 (47%) 119th Congress, by share of land
- State
- Florida
- Time zone
- Eastern
- Land area
- 60.3 sq mi · 593 people per sq mi
Where is ZIP code 33556?
33556 centers on 28.166°, -82.602° and covers 60.3 square miles of land plus 4.5 of water. It borders 8 ZIP codes: 34655, 34688, 33558, 33626, 33625, 34685, 34638, 34654.
The map draws ZIP code areas only. For the streets inside 33556, 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 33556 compare with the rest of Hillsborough County?
| Measure | 33556 | In Hillsborough County | In FL |
|---|---|---|---|
| People (ACS 2020-2024) | 35,755 | 17th of 58 | 202nd of 1,013 |
| Median household income | $150k | 2nd of 53 | 14th of 819 |
| Median home value | $625k | 4th of 53 | 86th of 833 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 74% 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 33556?
The 2020 Census counted 30,547 people in 33556; the ACS, which samples households over 2020-2024, estimates 35,755. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 35,755
- 2020 Census count
- 30,547
- Households
- 12,236
- Median age
- 40.1
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 33556?
Of the 35,755 people the ACS estimates in 33556, 26.3% are under 18 and 14.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (67.1%), then Hispanic or Latino (19.1%).
- Under 1826.3%
- 18 to 6459.8%
- 65 and older14.0%
- White, not Hispanic67.1%
- Hispanic or Latino19.1%
- Asian, not Hispanic5.8%
- Black, not Hispanic4.1%
- Other or two or more3.9%
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 33556 earn?
Median household income is $149,722 (ACS 2020-2024), the 2nd highest of the 53 ranked ZIP codes in Hillsborough County.
- Median household income
- $149,722
- Income per person
- $67,810
- Below the poverty line
- 3.7%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 53.9%
- Adjusted gross income per tax return, 2022
- $190,37817,380 returns; wages 56% 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 33556?
FHFA's house price index for 33556, built from repeat sales and appraisals of the same homes, rose 121% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved −3.8% in 2025.
- Median home value (owners' estimate)
- $625,200
- Median gross rent
- $1,841
- Homes owned by their occupants
- 85.2%
- Housing units
- 12,968
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 33556?
988 business establishments had a location in this ZIP code in 2023, 200 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services204
- Construction116
- Administrative and support and waste management and remediation services90
- Health care and social assistance82
- Retail trade77
- Other services (except public administration)71
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 33556?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 34655 | New Port Richey | 49,964 | $86k | 4.5 mi |
| 34688 | Tarpon Springs | 8,522 | $112k | 5.3 mi |
| 33558 | Lutz | 33,165 | $116k | 5.5 mi |
| 33626 | Tampa | 30,575 | $127k | 7.0 mi |
| 33625 | Tampa | 29,967 | $93k | 7.3 mi |
| 34685 | Palm Harbor | 18,132 | $95k | 7.3 mi |
| 34638 | Land O Lakes | 37,644 | $124k | 8.7 mi |
| 34654 | New Port Richey | 24,355 | $74k | 9.3 mi |
| 33548 | Lutz | 8,967 | $130k | 7.4 mi (near) |
| 33624 | Tampa | 41,346 | $88k | 7.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.