Union, KY

View of Union, KY
Image credit: Mhuy222 / CC BY-SA 4.0
Population
7,937
U.S. Census Population Estimates Program · 2025
Elevation
837 ft
Median Home Value
$411,500
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,657/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$136,712
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Union

Union has become one of Northern Kentucky's most popular suburbs for anyone looking to settle down southwest of Cincinnati. For years, the city grew as a collection of quiet subdivisions connected by U.S. 42 and Mt. Zion Road, without a traditional town center. That is changing quickly with the new Union Town Square. Spread across more than twenty acres between U.S. 42 and Old Union Road, the project brings together a fresh city building, walking paths, a pond, playgrounds, a splash pad, and plenty of green lawn. While construction wraps up, daily errands and activities are still spread across town, though you will also spot several charming pocket parks along Mt. Zion Road perfect for a quick dog walk or a break on a bench.

Boone County Public Library Scheben Branch

Union started out as a quiet nineteenth-century farming crossroads centered around a general store, a church, and a blacksmith. The area stayed remarkably small for generations, counting barely two hundred residents into the 1970s. Over the past few decades, rolling pasture gave way to master-planned neighborhoods, drawn by top-rated Boone County schools, larger home lots, and an easy commute to downtown Cincinnati or the airport. Because the city expanded so fast into cul-de-sacs and residential subdivisions, the new Town Square is designed to give the whole community the walkable gathering place it never had during its initial boom.

Cincinnati suburbs tract housing

If you are house hunting in Union, a few practical details will help you navigate the market. Most neighborhoods here have active homeowners associations, so check the bylaws early to understand fees and see who handles things like pool maintenance and neighborhood snow removal. Traffic along U.S. 42 and Mt. Zion Road can get heavy around school start times and the evening commute, making a test drive during peak hours a smart move. When doing home inspections, consider ordering a sewer scope, as Sanitation District No. 1 requires owners to maintain their own lateral lines. Finally, keep an eye on county road and commercial development plans, since new construction is a regular part of living in such a fast-growing area.

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