Residential delivery area · Florida
ZIP Code 33813: Lakeland, FL
ZIP code 33813 uses the postal name Lakeland, Florida and lies entirely in Polk County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Lakeland's 9 residential ZIP codes. Median household income is $99,497 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lakeland Highlands (23%), Lakeland (19%) and Highland City (6%), and 3% in smaller places; 48% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lakeland · 9 residential ZIPs
- County
- Polk County
- Census places
- Lakeland Highlands (23%) census-designated place; Lakeland (19%); Highland City (6%) census-designated place
- Metro area
- Lakeland-Winter Haven, FL
- House districts
- FL-18 (93%), FL-15 (7%) 119th Congress, by share of land
- State
- Florida
- Time zone
- Eastern
- Land area
- 21.0 sq mi · 1,842 people per sq mi
Where is ZIP code 33813?
33813 centers on 27.947°, -81.926° and covers 21.0 square miles of land plus 2.4 of water. It borders 5 ZIP codes: 33812, 33803, 33811, 33830, 33860.
The map draws ZIP code areas only. For the streets inside 33813, 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 33813 compare with the rest of Lakeland?
| Measure | 33813 | In Lakeland | In Polk County | In FL |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,674 | 2nd of 9 | 8th of 44 | 163rd of 1,013 |
| Median household income | $100k | 2nd of 9 | 3rd of 30 | 145th of 819 |
| Median home value | $366k | 2nd of 8 | 3rd of 32 | 370th of 833 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 84% 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 33813?
The 2020 Census counted 36,448 people in 33813; the ACS, which samples households over 2020-2024, estimates 38,674. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 38,674
- 2020 Census count
- 36,448
- Households
- 13,976
- Median age
- 39.8
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 33813?
Of the 38,674 people the ACS estimates in 33813, 26.6% are under 18 and 18.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (67.4%), then Hispanic or Latino (18.0%).
- Under 1826.6%
- 18 to 6455.1%
- 65 and older18.4%
- White, not Hispanic67.4%
- Hispanic or Latino18.0%
- Black, not Hispanic6.4%
- Other or two or more5.3%
- Asian, not Hispanic3.0%
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 33813 earn?
Median household income is $99,497 (ACS 2020-2024), the 3rd highest of the 30 ranked ZIP codes in Polk County.
- Median household income
- $99,497
- Income per person
- $47,665
- Below the poverty line
- 9.0%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 41.3%
- Adjusted gross income per tax return, 2022
- $114,21917,740 returns; wages 58% 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 33813?
FHFA's house price index for 33813, built from repeat sales and appraisals of the same homes, rose 118% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved −4.3% in 2025.
- Median home value (owners' estimate)
- $366,300
- Median gross rent
- $1,630
- Homes owned by their occupants
- 79.0%
- Housing units
- 14,918
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 33813?
1,073 business establishments had a location in this ZIP code in 2023, 135 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance187
- Professional, scientific, and technical services169
- Other services (except public administration)119
- Retail trade98
- Real estate and rental and leasing88
- Construction87
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 33813?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 33812 | Lakeland | 16,169 | $103k | 2.6 mi |
| 33803 | Lakeland | 29,321 | $66k | 4.4 mi |
| 33811 | Lakeland | 29,472 | $90k | 5.9 mi |
| 33830 | Bartow | 33,740 | $64k | 8.3 mi |
| 33860 | Mulberry | 24,892 | $66k | 10.1 mi |
| 33840 | Eaton Park | 0 | – | 4.5 mi (near) |
| 33801 | Lakeland | 35,394 | $53k | 6.3 mi (near) |
| 33815 | Lakeland | 13,975 | $38k | 7.8 mi (near) |
| 33880 | Winter Haven | 43,371 | $56k | 9.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.