Save town Compare Needs More Love
Town guide

Union

A township of 6,437 people in Warren County, Ohio
Be the first to joinEarn karma for joining →
1

Now in Union

What’s happening this week

All posts →
From your neighbors

What’s happening

A preview of what neighbors share. Be the first to post in Union.

Weather

Forecast →
Coming up

Upcoming events

Nothing on the calendar yet

Put the next local happening — a market, a meeting, a concert — on the map.

Add an event →
Around town

Local news

All news →

Loading local headlines…

Headlines via Google News · Articles belong to their publishers.

2

Around town

The places and views that make it Union

Explore places →

Outdoors in Union

Parks & trails →
Map of Union: conserved land, trails and the top places to walk
Conserved land0.7%57 of 8,375 acres
Trails0.9 mi0.1 mi per sq mi
Parks & preserves79 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

3

Know Union

The town at a glance, and the guide to how things work

Open the full guide →

About Union

Township in Ohio, US
6,251Population
14.7 sq miArea
630 ftElevation

Union Township is one of the eleven townships of Warren County, Ohio, United States, located in the central part of the county. It was established January 3, 1815 and named Union as it was formed from parts of Deerfield and Turtlecreek Townships. The population was 6,251 as of the 2020 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

Living in Union

Work & commute in Union

Full picture →

Most working residents leave Union for work: only 1% work in town. The top destinations are Mason (11%), Cincinnati (9%) and Lebanon (8%). Half commute less than 14 miles.

Mason
11%
Cincinnati
9%
Lebanon
8%
Blue Ash
5%
Census LEHD 2023 · ACSWork & commute in Union →

Health in Union

B−

Health Grade B−

Healthier than 52% of U.S. towns on seven CDC estimates.

Compared with Ohio

9better than OH

of 32 measures CDC estimates. The other 23 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Mercy Health Kings Mills HospitalMason · 3.5 mi · ER
Healthsource LebanonLebanon · 4.6 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 45036, 45152, 45065 · CMS · HRSAHealth in Union →

Natural hazards in Union

29
Low

Expected storm and flood damage is higher than in 29% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Union →

Climate in Union

Full climate →

Union has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 22°, and about 14 inches of snow falls in a normal winter.

41° / 25°Winter
64° / 42°Spring
84° / 63°Summer
66° / 44°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Union →

Libraries near Union

See all →
Nearest: Lebanon Public LibraryLebanon · 3.2 miles · 58 hrs a week
Famous people from UnionWriters, athletes, leaders and more who were born in Union.Meet them →

How things work in Union

All explainers →
The porch light’s on

Where to, neighbor?

You’re in Union, OHWarren CountyView boundary

Nearby

All towns & citiesExplore the map
Loading boundary…

Union is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01