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Union City Ohio Map

Explore Union City, Ohio, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Union City, Ohio

How to Use This Union City, Ohio Map

This interactive map shows the street layout and satellite imagery for Union City, Ohio. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Ohio or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Union City.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

CityUnion City
StateOhio (OH)
CountyDarke County
CountryUnited States of America
TimezoneEastern Time (America/New_York)
Latitude39.906599
Longitude-84.29333
Population6,859
Density319.1 /km²
IncorporatedYes
ZIP Code45390
Area Code937
County SeatGreenville
School DistrictVandalia-Butler City School District

About Union City, Ohio

Union City is a locality in Darke County, Ohio, United States. It has a population of approximately 6,859. The population density is 319.1 people per km². Union City is located at 39.9066°N, 84.2933°W. It observes the Eastern Time (America/New_York) timezone. Union City is an incorporated locality. ZIP code: 45390.

Union City stretches across a flat expanse of dark, fertile soil that defines the western edge of the plains. It lies 11.3 miles northwest of Greenville, OH (from Greenville, OH: bearing 306°T), and is situated 9.5 miles east-northeast of Winchester. The horizon remains unobstructed, save for the occasional line of wind-bent trees or the distant, hazy silhouette of Hoosier Hill rising fourteen miles to the west. Within the immediate reach of the streets, the earth is drained by the quiet, narrow path of City Drain, a waterway that marks the land with its subtle, meandering presence. At the edge of the residential grid, Unknown Park offers a quiet space where the prairie grasses lean into the evening wind, their stalks turning the color of oxidized copper as the sun dips low. Eight miles distant, the waters of Twin Willows Lake sit perfectly still, acting as a dark mirror for the expansive, cloud-streaked sky that hangs heavy over the region.

Union City carries the weight of a long industrial lineage, its streets once echoing with the steady rhythm of manufacturing and the movement of rail freight. The economy of Union City has shifted over the generations, yet the local character remains defined by a quiet, persistent industry that values the utility of the land and the endurance of its people. Brick facades remain as reminders of a time when the town served as a vital junction, and the current pace of life is dictated by the turning of the seasons across the surrounding fields. There is a particular clarity to the light here during the transition from autumn to winter, a pale, sharp brightness that highlights the geometric precision of the farm plots and the sturdy, unadorned architecture of the village center. A traveler walking the perimeter of the town will find the atmosphere marked by a profound, heavy silence, broken only by the occasional low rumble of a passing train or the rustle of dry stalks in the fields that press right up against the municipal boundaries.

Nearby Outdoor Places

  • Englewood Metropark (Local Park)locality lies within
  • Northmont Sand & Gravel (Local Park) — 0.6 mi, 180° S
  • Union Well Field (Local Recreation) — 0.7 mi, 181° S
  • Aullwood Audubon Center and Farm (Museum) — 2.5 mi, 157° SE
  • Homestead Golf Course (Park) — 3.5 mi, 029° NE
  • Don Ward Field (Local Recreation) — 3.6 mi, 209° SW
  • Shiloh Woods Conservation Area (Local Conservation Area) — 4.5 mi, 155° SE
  • Meadowbrook Country Club (Park) — 4.6 mi, 184° S
  • Dayton Air Show Entrance Arch (Attraction) — 4.6 mi, 091° E
  • Sycamore State Park (State Park) — 7.3 mi, 197° S
  • Miami and Erie Canal Lock 15 (Monument) — 7.7 mi, 060° NE
  • Brukner Nature Center (Nature Reserve) — 7.7 mi, 350° N
  • APAC Arbogast Performing Arts Center (Arts Centre) — 9.6 mi, 020° N
  • Olivehill Elementary School (Historic Ruins) — 9.9 mi, 179° S
  • Paradigm Industrial (Attraction) — 10.0 mi, 149° SE
  • Newton Nature Lab (Nature Reserve) — 10.6 mi, 346° N
  • Miami and Erie Canal – Footprint of Lock 12 (Monument) — 10.7 mi, 024° NE
  • Mikee Huber Studio & Gallery (Gallery) — 10.7 mi, 147° SE
  • Wright Brothers (Public Artwork) — 11.1 mi, 149° SE
  • Paul Laurence Dunbar Walk (Monument) — 11.2 mi, 151° SE
  • Aviation Trail Parachute Museum (Museum) — 11.3 mi, 157° SE
  • The Contemporary Dayton Visual Arts Center (Museum) — 11.4 mi, 151° SE
  • White House Event Center (Attraction) — 11.4 mi, 151° SE
  • The International Peace Museum (Museum) — 11.4 mi, 152° SE
  • The Black Box Improv Theater (Theatre) — 11.6 mi, 150° SE
  • Levitt Pavilion (Theatre) — 11.7 mi, 152° SE
  • John Bryan State Park (State Park) — 23.7 mi, 109° E

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About This Union City Map Page

This page provides an embedded street and satellite map of Union City, Ohio. Coordinates: 39.906599, -84.29333. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Union City includes the ZIP code (45390), telephone area code (937), county seat of Darke County (Greenville), and school district assignment (Vandalia-Butler City School District).

Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.

Page generatedSeptember 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Map layersGoogle Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model)
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.