Union Township, Mercer County, Ohio
Union Township is a township in Mercer County, Ohio. About 1,325 people live there (2020–2024 estimate). It covers 36.4 sq mi (94.2 km²) of land and uses Eastern Time. It has its own local government.
- Population, 2020–2024 estimate
- 1,325 ± 290
- County
- Mercer County
- School district
- Parkway Local School District
- Land area
- 36.4 sq mi (94.2 km²)
- Type
- TownshipIts own local government
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $45,556 ± $14,307
- Median home value
- $110,500 ± $12,125
- Water area
- 0.05 sq mi (0.14 km²)
- State
- Ohio
- Census code (GEOID)
- 3910778442
- Coordinates (central point)
- 40.686657, -84.513894
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Census place in Union Township
- Mendon (village)713 people
This place’s central point lies inside Union Township. A place can reach across the line, and its government, if it has one, can be separate from the township’s.
Bordering areas, nearest first
- Dublin Township5.8 mi west
- York Township, Van Wert County6.0 mi north
- Center Township6.1 mi south
- Jennings Township, Van Wert County6.2 mi northeast
- Salem Township, Auglaize County6.5 mi east
These towns, townships, cities and boroughs share a boundary with Union Township. Distances are straight lines between central points, not driving distances.
Other townships in Mercer County, largest first
- Jefferson Township13,786 people
- Butler Township6,634 people
- Granville Township4,235 people
- Marion Township3,346 people
- Franklin Township2,539 people
- Gibson Township2,303 people
- Recovery Township1,857 people
- Dublin Township1,827 people
- Liberty Township1,070 people
- Center Township1,012 people
- Black Creek Township885 people
- Washington Township851 people
All 14
- Hopewell Township756 people
- Wayne Township58 people
People counts are American Community Survey 2020–2024 5-year estimates. See Mercer County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Union Township
- Longest day
- 15 hours 5 minutes around June 21
- Shortest day
- 9 hours 15 minutes around December 21
- Earliest sunrise
- 6:06 AM around June 14
- Latest sunrise
- 8:13 AM the day before clocks go back in November
- Earliest sunset
- 5:10 PM around December 8
- Latest sunset
- 9:13 PM around June 27
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:59 AM | 5:35 PM | 9 h 36 min |
| Feb 15 | 7:32 AM | 6:12 PM | 10 h 40 min |
| Mar 15 | 7:49 AM | 7:44 PM | 11 h 55 min |
| Apr 15 | 6:59 AM | 8:17 PM | 13 h 18 min |
| May 15 | 6:21 AM | 8:48 PM | 14 h 27 min |
| Jun 15 | 6:06 AM | 9:10 PM | 15 h 4 min |
| Jul 15 | 6:19 AM | 9:07 PM | 14 h 48 min |
| Aug 15 | 6:48 AM | 8:36 PM | 13 h 48 min |
| Sep 15 | 7:18 AM | 7:47 PM | 12 h 29 min |
| Oct 15 | 7:49 AM | 6:57 PM | 11 h 8 min |
| Nov 15 | 7:24 AM | 5:20 PM | 9 h 56 min |
| Dec 15 | 7:54 AM | 5:11 PM | 9 h 17 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A township line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Mercer County or the local office.
Find the township or town where you are now or find your county.