| Official Name: | Groveville, New Jersey |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Pushpin Map: | USA New Jersey Mercer County#USA New Jersey#USA |
| Pushpin Label: | Groveville |
| Pushpin Map Caption: | Location in Mercer County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Mercer |
| Subdivision Type3: | Township |
| Subdivision Name3: | Hamilton |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.83 |
| Area Land Km2: | 5.73 |
| Area Water Km2: | 0.10 |
| Area Total Sq Mi: | 2.25 |
| Area Land Sq Mi: | 2.21 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 1.71 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 3106 |
| Population Density Km2: | 542.24 |
| Population Density Sq Mi: | 1404.16 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | Eastern (EDT) |
| Utc Offset Dst: | −04:00 |
| Elevation Footnotes: | [3] |
| Elevation M: | 15 |
| Elevation Ft: | 49 |
| Coordinates: | 40.17°N -74.6513°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 08620 - Trenton[4] |
| Blank Name: | FIPS code |
| Blank Info: | [5] [6] [7] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 02583996[8] |
Groveville is an unincorporated community and census-designated place (CDP)[9] located within Hamilton Township, in Mercer County, in the U.S. state of New Jersey.[10] As of the 2020 census, the CDP's population was 3,106.[1] Before the 2010 Census, the area was part of the Yardville-Groveville CDP.[11]
Groveville is in southern Mercer County, bordered to the south by Crosswicks Creek, which forms the Burlington County line. The hamlet of Groveville is in the western part of the CDP, centered on the junction of Main Street and Church Street, while North Crosswicks is in the southeastern part of the CDP, at the intersection of South Broad Street and a separate Church Street. Groveville is bordered to the north by the community of Yardville. The New Jersey Turnpike (Interstate 95) crosses the eastern part of the CDP between Exits 7 and 7A, with no direct access.
According to the United States Census Bureau, the CDP had a total area of 2.160 square miles (5.593 km2), including 2.123 square miles (5.498 km2) of land and 0.037 square miles (0.096 km2) of water (1.71%).[1] The southern part of the CDP is drained by Crosswicks Creek, while Doctors Creek, a tributary of Crosswicks, flows through the northern part. The CDP is part of the Delaware River watershed.
The 2010 United States census counted 2,945 people, 1,046 households, and 810 families in the CDP. The population density was . There were 1,093 housing units at an average density of . The racial makeup was 84.58% (2,491) White, 8.59% (253) Black or African American, 0.10% (3) Native American, 3.29% (97) Asian, 0.00% (0) Pacific Islander, 1.73% (51) from other races, and 1.70% (50) from two or more races. Hispanic or Latino of any race were 7.13% (210) of the population.[12]
Of the 1,046 households, 38.6% had children under the age of 18; 59.3% were married couples living together; 12.9% had a female householder with no husband present and 22.6% were non-families. Of all households, 18.2% were made up of individuals and 6.1% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.21.[12]
25.1% of the population were under the age of 18, 9.7% from 18 to 24, 24.1% from 25 to 44, 30.7% from 45 to 64, and 10.4% who were 65 years of age or older. The median age was 39.6 years. For every 100 females, the population had 94.6 males. For every 100 females ages 18 and older there were 92.7 males.[12]
All of Hamilton Township, including Groveville, is served by the Hamilton Township School District.[13]