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Union County, KY
5 cities and towns and 4 ZIP codes in Union County, Kentucky.
Population
13,260
Land area
343sq mi
People per sq mi
39
ZIP codes
4
Cities and towns in Union County
Union County at a glance
- Union County is 66% less dense than Kentucky as a whole.
- The median household income is $60,327, 5% below the Kentucky median of $63,726.
- A typical owner-occupied home is valued at $104,500 (49% below Kentucky) and median rent is $790 a month.
- Its largest cities are Morganfield (3,185), Sturgis (1,864) and Breckinridge Center (1,467).
Local data for Union County, KY
Counts from official public data
Housing and community stats
Union County, KY, American Community Survey 2020-2024
Median household income
$60,327
Poverty rate
18.4%
Median home value
$104,500
Prices +10.3% in a year
Median rent
$790/mo
Homeownership
70.2%
Bachelor's or higher
13.1%
Median age
42.4
Average commute
22.1 min
Largest reported origins and ancestries: German Americans (1,566), Irish Americans (1,426), Italian Americans (175).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Aug 2026, -0.2 pts in a year
Average annual pay
$60,675
5,284 jobs, 2025
Income per person
$54,276
BEA, 2024
Federal spending
$153M
FY 2026, $11,208 per person
PPP loans
$19.5M
542 loans, 2,811 jobs reported
Campaign donations
$28.6K
Itemized, 2026 cycle
How people get to work
Union County, KY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.5%
- Carpooled9.5%
- Public transit0.0%
- Walked1.8%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home6.4%
Average one-way commute: 22.1 minutes for people who do not work from home.
Environment and hazard risk
Union County, KY, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: earthquake
Storm events since 1996
725
Most often flood
Flood insurance policies
13
0.2% of homes, county
July high / Jan low
88° / 26°F
48.2 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Cities, towns and ZIP codes in Union County
Population shown
Frequently asked questions
- What is the largest city in Union County, KY?
- Morganfield is the largest city or town in Union County, with about 3,185 residents.
- How many ZIP codes are in Union County?
- Union County includes 4 ZIP Code Tabulation Areas, including 42437, 42459, 42461, 42462.
- What is the population of Union County, KY?
- About 13,260 people live in Union County, based on American Community Survey 5-year estimates.
- What counties border Union County?
- Union County borders Henderson County, Posey County, IN, Webster County, Crittenden County, Gallatin County, IL, Hardin County, IL.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023