ZIP Codes of Columbia County, FL

Population & People
Population & People
Total Population
71,285
Household Income
Household Income
Median Income
$60,670
Housing
Housing
Total Housing Units
29,939
Business & Economy
Business & Economy
Total Businesses
1,505
Employment
Employment
Employment Rate
51.46%
Education
Education
Bachelor's Degree+
17.11%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: November 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:386
Timezone:Eastern (GMT -05:00)
Local Time:11:12:50 PM
Population:71,285 [See All]
FIPS:12023
CBSA:Lake City, FL
Land Area:717 sq mi
Water Area:2 sq mi
Coordinates:30.1216, -82.6265
Quick Link:
https://www.zip-codes.com/county/fl-columbia.asp
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Florida's #41 most populous county
71,285 residents across 6 ZIPs — #41 of 67 Florida counties.

Standout ZIPs in this County


Most Populous
Lake City · 22,948 people
32.2% of county total
Highest Income
Fort White · $65,753 median
1.1× county average
Largest Land Area
Lake City · 347.4 sq mi
Spans the most ground
Fastest Growth
Fort White · 16.4% (10-yr)
8,597 → 10,007 residents
Most Educated
Lake City · 20.3% bachelor's+
2,333 of 11,471 adults 25+

Things worth knowing about Columbia County


71,285 residents live across 6 ZIPs covering 717 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 67,819 to 71,285 from 2014 to 2024 — a +5.1% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 32038 (Fort White, $65,753 median) and poorest ZIP 32025 (Lake City, $55,004) are 11.3 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.2× across this county — from $182,500 in 32038 (Fort White) to $218,300 in 32024 (Lake City).

Density varies 5× across the county — from 51 people/sq mi in 32055 (Lake City) to 236 in 32025 (Lake City).

Most of the decade's growth concentrated around Lake City — top growth ZIPs averaged +8.8% over the past ten years ( 32038 , 32024 and 32055 ).

Educational attainment ranges from 15.5% bachelor's+ in 32024 (Lake City) to 20.3% in 32055 (Lake City) — the breadth of educational profiles across the area.

Within Florida, this is the #41 most populous of 67 counties and ranks #45 for median household income with the #45 fastest decade growth .

Weighted by population, the typical household earns about $59,708 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.1% of adults age 25+ hold a bachelor's degree or higher (8,520 of 49,789 reporting). The most-educated ZIPs cluster around Lake City.

5 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Columbia County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
717
square miles
Avg density
99.4
people per sq mi
Population
71,285
across 6 ZIPs
Lake City
347.4 sq mi
17,559 residents
Lake City
144.3 sq mi
20,670 residents
Fort White
107.2 sq mi
10,007 residents

All ZIP Codes in Columbia County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
32025Lake CityStandard22,948$55,00497.31.2%
32024Lake CityStandard20,670$60,811144.36.6%
32055Lake CityStandard17,559$61,111347.43.6%
32038Fort WhiteStandard10,007$65,753107.216.4%
32061LuluStandard101—21.1-47.1%
32056Lake CityPO Box——0.0—

Adjacent & Nearby Counties