Hopewell Township, Mercer County, New Jersey
Hopewell Township is a township in Mercer County, New Jersey. About 17,595 people live there (2020–2024 estimate). It covers 58.1 sq mi (150 km²) of land and uses Eastern Time. It has its own local government.
- Population, 2020–2024 estimate
- 17,595 ± 48
- County
- Mercer County
- School district
- Hopewell Valley Regional School District
- Land area
- 58.1 sq mi (150 km²)
- Type
- TownshipIts own local government
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $178,167 ± $14,927
- Median home value
- $561,900 ± $32,712
- Water area
- 0.87 sq mi (2.26 km²)
- State
- New Jersey
- Census code (GEOID)
- 3402133180
- Coordinates (central point)
- 40.356362, -74.812002
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.
Cities, towns and communities in Hopewell Township, largest first
- Washington Crossing (CDP)536 people
- Titusville (CDP)501 people
These places’ central points lie inside Hopewell 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
- Pennington (borough)2.5 mi southeast
- Hopewell (borough)3.4 mi northeast
- West Amwell Township, Hunterdon County4.3 mi west
- East Amwell Township, Hunterdon County5.5 mi north
- Lawrence Township6.4 mi southeast
- Ewing Township6.5 mi south
- Upper Makefield Township, Bucks County, Pennsylvania7.6 mi southwest
- Princeton7.6 mi east
- Montgomery Township, Somerset County8.5 mi northeast
- Solebury Township, Bucks County, Pennsylvania10 mi west
These towns, townships, cities and boroughs share a boundary with Hopewell Township. Distances are straight lines between central points, not driving distances.
Other townships in Mercer County, largest first
- Hamilton Township92,506 people
- Ewing Township35,604 people
- Lawrence Township32,313 people
- West Windsor Township30,479 people
- East Windsor Township30,062 people
- Robbinsville Township15,641 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 Hopewell Township
- Longest day
- 15 hours 3 minutes around June 21
- Shortest day
- 9 hours 18 minutes around December 21
- Earliest sunrise
- 5:28 AM around June 14
- Latest sunrise
- 7:34 AM the day before clocks go back in November
- Earliest sunset
- 4:32 PM around December 8
- Latest sunset
- 8:33 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 | 7:20 AM | 4:57 PM | 9 h 37 min |
| Feb 15 | 6:52 AM | 5:34 PM | 10 h 42 min |
| Mar 15 | 7:11 AM | 7:05 PM | 11 h 54 min |
| Apr 15 | 6:21 AM | 7:38 PM | 13 h 17 min |
| May 15 | 5:43 AM | 8:08 PM | 14 h 25 min |
| Jun 15 | 5:28 AM | 8:30 PM | 15 h 2 min |
| Jul 15 | 5:41 AM | 8:28 PM | 14 h 47 min |
| Aug 15 | 6:10 AM | 7:56 PM | 13 h 46 min |
| Sep 15 | 6:39 AM | 7:08 PM | 12 h 29 min |
| Oct 15 | 7:09 AM | 6:19 PM | 11 h 10 min |
| Nov 15 | 6:44 AM | 4:42 PM | 9 h 58 min |
| Dec 15 | 7:14 AM | 4:33 PM | 9 h 19 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.