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zipcodes.pro — CITY/KY/UNION

Union ZIP code, Kentucky

The ZIP code for Union, KY is 41091, and its area code is 859.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
7,642
Area code
859

NANPA lists no telephone rate centre for Union itself, so these are the area codes of the nearest one, Walton (6.3 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Union uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Union in numbers

About 7,642 people live in Union, in 2,626 households. The median household income is $136,712 a year, 2.1 times the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $411,500 (2.0 times the Kentucky median), and median gross rent is $1,657 a month. The median age is 39.5; 58.9% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 26 minutes.

Population7,642Union7,642
Households2,626Union2,626
Median age39.5Union39.5Kentucky39.1US 38.9
Median household income$136,712Union$136,712Kentucky$63,726US $80,734
Median home value$411,500Union$411,500Kentucky$205,600US $332,700
Median gross rent$1,657Union$1,657Kentucky$967US $1,413
Bachelor's degree or higher58.9%Union58.9%Kentucky27.6%US 35.7%
Mean commute26.4 minUnion26.4 minKentucky24.0 minUS 26.4 min
Population density1,987 / sq miUnion1,987 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Union city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Union

ZIP codes with the USPS city name Union
ZIP City Type Population Median income Median home
41091 Union , KY Standard 25,244 $136,307 $399,500

Other ZIP codes overlapping Union

These ZIP codes cover part of Union but are addressed as somewhere else.

ZIP codes overlapping Union
ZIP City Type Population Median income Median home
41042 Florence , KY Standard 57,634 $79,712 $223,000

Map of Union ZIP codes

41091

The ZIP codes of Union, KY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Union

The nearest larger towns are Oakbrook (10,211 people, 3.4 mi), Florence (32,803 people, 3.5 mi) and Elsmere (9,205 people, 5.1 mi).

Towns near Union
TownPopulationDistance
Oakbrook 10,211 3.4 mi
Florence 32,803 3.5 mi
Elsmere 9,205 5.1 mi
Burlington 18,008 5.7 mi
Walton 5,730 6.7 mi
Independence 29,392 6.9 mi
Edgewood 8,447 7.5 mi
Erlanger 19,875 7.5 mi
Crestview Hills 3,284 7.7 mi
Hebron 6,407 8.2 mi
Lakeside Park 2,828 8.3 mi
Crescent Springs 4,486 9.1 mi
Villa Hills 7,480 9.1 mi
Fort Mitchell 8,713 9.3 mi

More nearby: every ZIP code in Boone County · Kentucky ZIP codes

Cite this page

zipcodes.pro. “Union, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/union

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