Union County, Florida Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 59th-largest in Florida

The population of Union County, Florida is 15,551 as of the 2023 American Community Survey, making it the 59th-largest county in Florida. The median household income is $64,922, the median home value is $160,400, and the median age is 40.1.

The population of Union County has grown 1.2% since 2010 (15,551 → 15,738), a +0.09% annualized rate.

Union County within Florida · Source: US Census TIGER/Line via us-atlas

15,551

Population

+0.09%

Annual growth

People / sq mi

$64,922

Median Income

$160,400

Median Home Value

Union County covers 244 sq mi of land at 63.9 people per square mile.

About Union County, FL

Union County is a county in Florida with a population of 15,551. It ranks #59 among counties in Florida by population. The median age is 40.1, older than the national median. The population is 64.5% male and 35.5% female.

The median household income in Union County is $64,922, below the US median of $74,580. 13.5% of residents live below the federal poverty level. Home values sit at a median of $160,400, with monthly rent averaging $846. The homeownership rate of 73.6% is higher than the national rate of 64.8%.

Educational attainment in Union County reflects 10.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 35.6 minutes each way.

Union County Population History (2010-2024)

The county of Union County had a population of 15,551 in 2010 and 15,738 in 2024, a 1.2% growth over 14 years. The peak was 15,993 in 2023. Average annual growth rate: 0.10%.

15,738

Population (2024)

15,551

Population (2010)

15,993

Peak (2023)

0.10%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	15,551	-	-	estimate
2011	15,308	-243	-1.56%	estimate
2012	15,266	-42	-0.27%	estimate
2013	15,165	-101	-0.66%	estimate
2014	15,260	+95	+0.63%	estimate
2015	15,268	+8	+0.05%	estimate
2016	15,256	-12	-0.08%	estimate
2017	15,455	+199	+1.30%	estimate
2018	15,302	-153	-0.99%	estimate
2019	15,213	-89	-0.58%	estimate
2020	15,433	+220	+1.45%	estimate
2021	15,852	+419	+2.71%	estimate
2022	15,490	-362	-2.28%	estimate
2023	15,993	+503	+3.25%	estimate
2024	15,738	-255	-1.59%	estimate

Race & Ethnicity

White	73.2%
Black or African American	16.2%
Asian	0.0%
Hispanic or Latino (any race)	5.3%
Two or More Races	0.0%

Age & Sex

40.1

Median Age

35.5%

Female

64.5%

Male

17.2%

Age 65+

Age Distribution

Under 5

5.5%

5–9

5.7%

10–14

6.3%

15–19

5.3%

20–24

5.3%

25–34

14.9%

35–44

13.2%

45–54

13.1%

55–59

7.5%

60–64

6.1%

65–74

10.3%

75–84

6.1%

85+

0.8%

Children (under 15): 17.5% · Seniors (65+): 17.2%

Income & Poverty

Median household income	$64,922$-6,789 vs state
Mean household income	$83,228
Per-capita income	$22,599
Poverty rate	13.5%+4.6% vs state
Unemployment rate	1.2%
Employment-to-population	34.2%

Top Industries by Employment

Professional & business services

24.1%

Public administration

12.9%

Retail trade

8.8%

Construction

8.5%

Finance & real estate

7.6%

Education & health care

6.2%

Manufacturing

4.9%

Information

4.7%

The largest employment sector in Union County is professional & business services, accounting for 24.1% of workers.

How residents commute

0.0%

Drive alone

0.5%

Carpool

84.1%

Public transit

6.6%

Work from home

35.6 min

Avg commute

Housing

$160,400$-164,600 vs state

Median home value

$846

Median rent

73.6%

Homeownership rate

4,772

Total housing units

87.8%

Occupied

12.2%

Vacant

26.4%

Renter-occupied

Social & access

90.4%

With health insurance

96.9%

With broadband internet

29.5%

Foreign-born

10.6%

Veterans (18+)

19.1%

With a disability

95.1%

Speak language other than English at home

Education

78.3%

High School+

10.0%

Bachelor's+

Largest cities in Florida

Jacksonville (961,739)Miami (446,663)Tampa (393,389)Orlando (311,732)St. Petersburg (260,646)Hialeah (221,901)Port St. Lucie (220,453)Cape Coral (206,387)Tallahassee (199,696)Fort Lauderdale (183,032)All Florida cities →

Other counties in Florida

Miami-Dade County (2,685,296)Broward County (1,946,127)Palm Beach County (1,507,453)Hillsborough County (1,489,634)Orange County (1,440,471)Duval County (1,007,189)Pinellas County (960,565)Lee County (792,692)Polk County (760,961)Brevard County (620,533)All Florida counties →

Part of Florida

Florida demographic profile All Florida data →

Metro areas in Florida

Miami (6,138,876)Tampa (3,240,469)Orlando (2,721,022)Jacksonville (1,645,707)North Port (865,031)Cape Coral (792,692)Lakeland (760,961)Deltona (689,939)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Union County, Florida has a population of 15,551 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 59th-largest county in Florida. Population density is 64 people per square mile.

The population of Union County has grown 1.2% since 2010 (15,551 → 15,738), a +0.09% annualized rate.

The median household income in Union County, Florida is $64,922, with mean (average) household income of $83,228 and per-capita income of $22,599. 13.5% of residents live below the federal poverty level.

In Union County, the largest racial and ethnic groups are White (73.2%), Black or African American (16.2%), Hispanic or Latino (5.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Union County, Florida is 40.1 years. Residents are 35.5% female and 64.5% male.

The median home value in Union County is $160,400 and median monthly rent is $846. 73.6% of occupied housing units are owner-occupied. The county has 4,772 total housing units, 12.2% of which are vacant.

The largest employment sector in Union County, Florida is professional, scientific, and management services, employing 24.1% of workers. The unemployment rate is 1.2%.

Jacksonville is among the largest cities associated with Union County, Florida, with a population of 961,739.