ZIP Code Tabulation Area · Florida

ZIP Code 33556: Keystone, FL

ZIP Code 33556 (Keystone, Hillsborough County, Florida) has an estimated 35,755 residents in 12,236 households. The median household income is $149,722, the median home value is $625,200 and the median gross rent is $1,841/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

35,755

Margin of error ±1,903

Median household income

$149,722

Margin of error ±$9,565

Median home value

$625,200

Margin of error ±$17,428

Median gross rent

$1,841/mo

Margin of error ±$91

Median age

40.1 yrs

Margin of error ±1.8 yrs

Mean travel time to work

33.5 min

Margin of error ±4.7 min

How ZIP 33556 compares with Florida and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 3355640.1 yrsFlorida42.6 yrsUnited States38.9 yrs

Median household income

ZIP 33556$149,722Florida$74,568United States$80,734

Per capita income

ZIP 33556$67,810Florida$42,609United States$44,673

Poverty rate

ZIP 335563.7%Florida12.6%United States12.5%

Unemployment rate

ZIP 335563.2%Florida4.8%United States5.2%

Bachelor's degree or higher

ZIP 3355653.9%Florida34.1%United States35.7%

Median home value

ZIP 33556$625,200Florida$359,000United States$332,700

Median gross rent

ZIP 33556$1,841/moFlorida$1,669/moUnited States$1,413/mo

Owner-occupied homes

ZIP 3355685.2%Florida67.6%United States65.2%

Mean travel time to work

ZIP 3355633.5 minFlorida28.0 minUnited States26.4 min

Worked from home

ZIP 3355631.5%Florida15.7%United States15.1%

All figures for ZIP 33556

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 33556 — ACS 2020–2024 5-year estimates
MeasureZIP 33556Margin of errorFloridaUnited States
Total population35,755±1,90322,416,077334,922,499
Median age40.1 yrs±1.8 yrs42.6 yrs38.9 yrs
Households12,236±6248,752,810129,227,496
Median household income$149,722±$9,565$74,568$80,734
Per capita income$67,810±$5,477$42,609$44,673
Poverty rate3.7%±0.9 pts12.6%12.5%
Unemployment rate3.2%±0.9 pts4.8%5.2%
Bachelor's degree or higher53.9%±2.8 pts34.1%35.7%
Median home value$625,200±$17,428$359,000$332,700
Median gross rent$1,841/mo±$91$1,669/mo$1,413/mo
Owner-occupied homes85.2%±3.7 pts67.6%65.2%
Mean travel time to work33.5 min±4.7 min28.0 min26.4 min
Worked from home31.5%±3.2 pts15.7%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 33556
GroupZIP 33556FloridaUnited States
White alone, not Hispanic or Latino67.1%50.4%57.4%
Black or African American alone, not Hispanic or Latino4.1%14.6%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino5.8%2.9%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.1%0.2%
Some other race alone, not Hispanic or Latino0.2%0.7%0.6%
Two or more races, not Hispanic or Latino3.7%3.8%4.3%
Hispanic or Latino (of any race)19.1%27.4%19.3%

Where ZIP 33556 is

State
Florida
Main county
Hillsborough County— also overlaps Pasco County
Largest overlapping place
Keystone (51% of the ZIP's land area)
Land area
60.31 sq mi· about 593 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Hillsborough County

33510 Brandon, FL33511 Brandon, FL33527 Hillsborough County, FL33534 Gibsonton, FL33547 Hillsborough County, FL33548 Lutz, FL33549 Lutz, FL33558 Cheval, FL33559 Lutz, FL33563 Plant City, FL33565 Hillsborough County, FL33566 Plant City, FL33567 Hillsborough County, FL33569 Riverview, FL33570 Ruskin, FL33572 Apollo Beach, FL33573 Sun City Center, FL33578 Riverview, FL33579 Riverview, FL33584 Thonotosassa, FL33592 Thonotosassa, FL33594 Valrico, FL33596 Valrico, FL33598 Wimauma, FL

See every ZIP code in Florida, or compare ZIP 33556 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.