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Advertise here →Unionville, MT · Census-designated place
Unionville, Montana houses and real estate market data.
Houses in Unionville, MT (Lewis and Clark County) — market data for Unionville houses and the whole local market.
Census-designated place · Census GEOID 3075905
FEATURED LISTING: WATERFRONT LAKE HOME FOR SALE
Clearlake Oaks Canal-Front Oasis
$425,000 • 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 of California, Inc. 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
Unionville, MT is a Census-designated place in Lewis and Clark County, Montana — this guide covers houses in Unionville 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 ↗ · 46.546447, -112.085235
At a glance
Unionville market snapshot
Place type
Census-designated place
County
Lewis and Clark County
Map pin
46.546447, -112.085235
Census GEOID
3075905
Land area
1.28 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
Local resources
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Advertise here →Why Unionville
What makes Unionville different
Census-designated place
The U.S. Census Bureau lists Unionville as a Census-designated place in Lewis and Clark County, Montana — a settled community that is not an incorporated city, town, or village. This page uses the same /montana/unionville/ guide pattern as incorporated places.
Nearby
Places around Unionville
County guide: Lewis and Clark County — cities, market context, and local resources for the county that includes Unionville.
USAHouses.com also lists other Lewis and Clark County places in Montana. Each linked guide uses the same Census place geography.
Nearby communities include Helena West Side, Helena, Helena Valley West Central, East Helena, Rimini, Helena Valley Southeast, Helena Valley Northwest, Helena Valley Northeast.
Helena West Side market data
Nearby city · ~3.7 mi
Helena market data
Nearby city · ~4.6 mi
Helena Valley West Central market data
Nearby city · ~8.0 mi
East Helena market data
Nearby city · ~8.2 mi
Rimini market data
Nearby city · ~8.7 mi
Helena Valley Southeast market data
Nearby city · ~10.2 mi
Helena Valley Northwest market data
Nearby city · ~12.7 mi
Helena Valley Northeast market data
Nearby city · ~13.1 mi
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Common questions
Unionville FAQ
What kind of place is Unionville, MT?
The U.S. Census Bureau lists Unionville as a Census-designated place in Lewis and Clark County, Montana — a settled community that is not an incorporated city, town, or village.
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🔥 Paid Advertisement: NEW HOME FOR SALE BY OWNER (Builder)
Northern California Luxury Home
3+ Beds • 4 Baths • 2,964 Sq Ft
17867 Deer Hill Rd, Hidden Valley Lake, CA 95467
Brand New 2026 Construction with LAKE VIEWS:
SPACIOUS LOT • Open Floor plan • Chef's kitchen • Interior aquarium • Dual fireplaces • Solar • EV-ready 3-car garage • Waterfall fountain • Great Views • Gated & Guarded Community • Golf Course • Driving Range • Community Pool • Private Lake
📩 Contact Owner Direct
Michael@Fonestream.net
*USA Houses LLC provides paid advertising space only. Property is listed with an outside MLS brokerage. Inquiries are delivered directly to the advertiser.*