| Official Name: | Arrowhead Lake, New Jersey |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA New Jersey Cumberland County#USA New Jersey#USA |
| Pushpin Label: | Arrowhead Lake |
| Pushpin Map Caption: | Location in Cumberland County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Coordinates: | 39.4758°N -75.3236°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Cumberland |
| Subdivision Type3: | Township |
| Subdivision Name3: | Stow Creek |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.22 |
| Area Land Sq Mi: | 0.22 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 0.58 |
| Area Land Km2: | 0.57 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Density Km2: | 219.50 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −04:00 |
| Elevation Ft: | 70 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 08302 (Bridgeton) |
| Area Code: | 856 |
| Blank Name: | FIPS code |
| Blank Info: | [2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806227 |
| Population Total: | 126 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 567.57 |
Arrowhead Lake is an unincorporated community and census-designated place (CDP)[3] in Cumberland County, in the U.S. state of New Jersey. It is in the northwestern part of the county, in the northern part of Stow Creek Township. A small artificial lake is in the northwestern part of the CDP, with a residential neighborhood on its southern shore.
The community is 2miles northwest of Shiloh and south of Marlboro. New Jersey Route 49 forms the eastern boundary of the CDP; the road heads southeast 5miles to Bridgeton and northwest 11miles to Salem.
Arrowhead Lake was first listed as a CDP prior to the 2020 census with a population of 126.[4]
| White alone (NH) | 104 | 82.54% | |
| Black or African American alone (NH) | 4 | 3.17% | |
| Native American or Alaska Native alone (NH) | 2 | 1.59% | |
| Asian alone (NH) | 2 | 1.59% | |
| Pacific Islander alone (NH) | 0 | 0.00% | |
| Some Other Race alone (NH) | 0 | 0.00% | |
| Mixed Race/Multi-Racial (NH) | 4 | 3.17% | |
| Hispanic or Latino (any race) | 10 | 7.94% | |
| Total | 126 | 100.00% |