| Allamuchy, New Jersey | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA New Jersey Warren County#USA New Jersey#USA |
| Pushpin Label: | Allamuchy CDP |
| Pushpin Map Caption: | Location in Warren 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: | Warren |
| Subdivision Type3: | Township |
| Subdivision Name3: | Allamuchy |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.69 |
| Area Land Km2: | 6.67 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 2.58 |
| Area Land Sq Mi: | 2.58 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.68 |
| Population As Of: | 2020 |
| Population Total: | 156 |
| Population Density Km2: | 23.37 |
| Population Density Sq Mi: | 60.54 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −04:00 |
| Elevation M: | auto |
| Elevation Ft: | 541 |
| Coordinates: | 40.9224°N -74.8126°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 07820[2] |
| Area Code: | 908 |
| Blank Info: | [3] [4] [5] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2583964 |
| Blank Name: | FIPS code |
Allamuchy is an unincorporated community and census-designated place (CDP)[6] located within Allamuchy Township, in Warren County, in the U.S. state of New Jersey.[7] As of the 2020 United States census, its population was 208,[8] an increase from the 74 counted in the 2010 census.[9]
As of the 2000 United States census, the area of the current CDP was part of the Allamuchy-Panther Valley CDP, which had a 2000 Census population of 3,125.[10] As of the 2010 Census, the CDP was split into Allamuchy CDP and Panther Valley (2010 population of 3,327[11]).[12] [13] [14]
According to the United States Census Bureau, Allamuchy CDP had a total area of 0.082 square miles (0.211 km2), including 0.081 square miles (0.209 km2) of land and 0.001 square miles (0.001 km2) of water (0.68%).[3] [15]
| White alone (NH) | 67 | 120 | 85.90% | 76.92% | |
| Black or African American alone (NH) | 0 | 2 | 0.00% | 1.28% | |
| Native American or Alaska Native alone (NH) | 0 | 0 | 0.00% | 0.00% | |
| Asian alone (NH) | 0 | 6 | 0.00% | 3.85% | |
| Pacific Islander alone (NH) | 1 | 0 | 1.28% | 0.00% | |
| Some Other Race alone (NH) | 0 | 0 | 0.00% | 0.00% | |
| Mixed Race/Multi-Racial (NH) | 0 | 6 | 0.00% | 3.85% | |
| Hispanic or Latino (any race) | 10 | 22 | 12.82% | 14.10% | |
| Total | 78 | 156 | 100.00% | 100.00% |
The 2010 United States census counted 78 people, 33 households, and 24 families in the CDP. The population density was . There were 35 housing units at an average density of . The racial makeup was 97.44% (76) White, 0.00% (0) Black or African American, 0.00% (0) Native American, 0.00% (0) Asian, 1.28% (1) Pacific Islander, 0.00% (0) from other races, and 1.28% (1) from two or more races. Hispanic or Latino of any race were 12.82% (10) of the population.[9]
Of the 33 households, 36.4% had children under the age of 18; 51.5% were married couples living together; 15.2% had a female householder with no husband present and 27.3% were non-families. Of all households, 27.3% were made up of individuals and 15.2% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.71.[9]
25.6% of the population were under the age of 18, 2.6% from 18 to 24, 28.2% from 25 to 44, 29.5% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 39.5 years. For every 100 females, the population had 100.0 males. For every 100 females ages 18 and older there were 87.1 males.[9]