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Advertise here →Union, OH · city
Union, Ohio houses and real estate market data.
Houses in Union, OH (Miami County) — market data for Union houses and the whole local market.
city · Census GEOID 3978470
🔥 FEATURED LISTING: WATERFRONT LAKE HOME FOR SALE
Clearlake Oaks Canal-Front Oasis
$374,999 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
Luxury Living Lake Lifestyle – Deep Water Access to Clear Lake: PAID-OFF SOLAR • 10-Ft Concrete Seawall • Double Boat Lifts & Private Dock • Hot Tub • Mini-Split HVAC • Close to SF Bay / Wine Country • Cleanest Air in America (Lake County CA) • Spacious Patio and Deck • Open Floor Plan • RV/Boat Parking • Want the Boats? • Make Offer ASAP This Lake Home For Sale in California won't last!
*Listed by Scott Brown, EXP Realty, DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
📩 Contact Agent Direct:
Scott Brown - EXP Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page
Union, OH is a city in Miami County, Ohio — this guide covers houses in Union and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 39.906599, -84.29333
At a glance
Union market snapshot
Place type
city
County
Miami County
Map pin
39.906599, -84.29333
Census GEOID
3978470
Land area
8.35 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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Advertise here →Why Union
What makes Union different
City
The U.S. Census Bureau lists Union as a city in Miami County, Ohio.
Nearby
Places around Union
County guide: Miami County — cities, market context, and local resources for the county that includes Union.
USAHouses.com also publishes Census place pages for other communities in the same county as Union.
Nearby communities include West Milton, Ludlow Falls, Tipp City, Potsdam, Laura, Troy, Huber Heights, Pleasant Hill, Brandt, Casstown, Covington, Piqua, Fletcher.
West Milton market data
Nearby city · ~4.0 mi
Ludlow Falls market data
Nearby city · ~6.8 mi
Tipp City market data
Nearby city · ~6.9 mi
Potsdam market data
Nearby city · ~7.5 mi
Laura market data
Nearby city · ~8.6 mi
Troy market data
Nearby city · ~10.0 mi
Huber Heights market data
Nearby city · ~10.1 mi
Pleasant Hill market data
Nearby city · ~10.3 mi
Brandt market data
Nearby city · ~10.7 mi
Casstown market data
Nearby city · ~13.3 mi
Covington market data
Nearby city · ~14.8 mi
Piqua market data
Nearby city · ~16.8 mi
Fletcher market data
Nearby city · ~18.9 mi
Adjacent-county Census places with USAHouses.com pages: Englewood (~3.0 mi), Clayton (~3.1 mi), Vandalia (~5.7 mi), Phillipsburg (~5.7 mi), Shiloh (~7.1 mi), Fort McKinley (~7.6 mi), Brookville (~8.0 mi), Trotwood (~8.1 mi), Verona (~11.3 mi), Gordon (~11.5 mi), Drexel (~11.6 mi), Pitsburg (~11.7 mi), Riverside (~12.4 mi), New Lebanon (~12.4 mi), Park Layne (~13.5 mi), Ithaca (~13.9 mi).
Census & home facts
Union data from published sources
County FHFA annual change (2025)
4.04%
County median listing price (FRED/Realtor.com) (2026-06-01)
$370,000
Census place type
city
County
Miami County
Land area (Census Gazetteer 2024)
8.35 sq mi
Census GEOID
3978470
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Union
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Parliament Place ↗
D.R. Horton · Union, Ohio · ~1.6 mi · from $319,900
Cassel Grove ↗
D.R. Horton · Vandalia, Ohio · ~4.0 mi · from $289,900
Wenger Village ↗
D.R. Horton · Clayton, Ohio · ~4.1 mi · from $368,900
the Landing ↗
Fischer Homes · Vandalia, Ohio · ~4.7 mi · from $179,900
The Oaks of Yorkshire Reserve ↗
D.R. Horton · Butler Township, Ohio · ~5.1 mi · from $345,900
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Common questions
Union FAQ
What kind of place is Union, OH?
The U.S. Census Bureau lists Union as a city in Miami County, Ohio.
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