ZIP Code 07820 in Allamuchy, NJ

Data Last Updated: March 1, 2026
City:Allamuchy, New Jersey
County:Warren County
Timezone:Eastern (GMT -05:00)
Local Time:8:22:04 PM
Population:49 [See All]
Area Code:908
Classification:PO Box
Coordinates:40.9219, -74.8106
Land Area:1.489 sq mi
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07820 Allamuchy, NJ - A Rural Post Office Serving the Region

ZIP Code 07820, Allamuchy

Border Hub Unique ZIP
LocationWarren County, NJ
Area0 sq mi Single Point
Population49
Households13
PO Boxes85 Regional Hub (654%)
Median Age45.8 years
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 07840
Key Facts
  • This is a PO Box Only Zone with no alternative mail delivery available in the area.
  • The post office maintains 85 PO Boxes for only 13 local households, a 6.5x adoption rate showing it serves the broader region.
  • Allamuchy is a point location within the larger Hackettstown (07840) ZIP code rather than having its own geographic territory.
  • With 63 business delivery points and only 1 single-family dwelling unit, the post office primarily serves commercial operations.
  • Of the 49 residents, 9 live in group quarters, which may indicate a group home or similar residential facility.

A Small Post Office with Big Reach

The Allamuchy post office in Warren County, New Jersey maintains 85 PO Boxes for just 13 local households. That's a 6.5x adoption rate, meaning this small post office serves a region far beyond its immediate ZIP code boundary. It's a true PO Box Only Zone. There's no street delivery alternative here.

Geography and Postal Structure

Allamuchy doesn't have its own geographic territory on postal maps. It exists as a point location within the larger 07840 ZIP code (Hackettstown). The 49 residents who live within the ZCTA boundary pick up their mail at this post office, but so do people from surrounding rural areas who need a mailing address.

Business-Oriented Character

The Rutherford Road address dominates the ZIP+4 records with 38 entries and unit designators, suggesting a multi-unit property or business complex. County Road 517 also appears in the records. With 63 business delivery points and only 1 single-family dwelling unit counted, this post office serves more commercial operations than residential ones.

Demographics

Median age here is 45.8 years. Of the 49 residents, 9 live in group quarters (noninstitutional), possibly a group home or similar facility. Only 5 of the 13 occupied housing units are owner-occupied, with 8 renter-occupied. The racial makeup includes 37 white residents, 5 Asian, 2 Black, and 11 Hispanic or Latino.

Street Name Patterns

County Roads Business Complex

Rutherford Road dominates with 38 records including unit designators, suggesting a business complex or multi-unit property.

Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 07820 has 49 residents and 13 households (average 3.08 persons per household). The median age is 45.8 years, older than the state (39.9) and significantly older than the nation (38.8). The gender split is 49.0% male and 51.0% female, which is about the same as the state male share (48.6%), making this a female-majority area. Largest groups are White (75.5%, much higher than the state average of 55.0% and well above the national average of 61.6%) and Hispanic or Latino (14.3%); Hispanic or Latino residents make up 14.3%, which is much lower than the state average (21.6%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:49Source: Census DHC
2024 ACS Population Estimate:0Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:32.9 people per sq mile
Average Income:$0Source: Census ACS
Households:13Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:3.08Source: Census DHC
Average Family Size:2.64Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--0003641424636878100
Decennial Census39------------------49--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 45.8

Male Median Age: 47

Female Median Age: 42.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male010103050406110200
Female004302301100090101
Total0144053515061100301
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:3768.52%
Black:23.70%
Hispanic:*712.96%
Asian:59.26%
American Indian:00%
Hawaiian:00%
Other:35.56%
Total:54100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:2448.98%47.0 years
Females:2551.02%42.5 years
Total:49100%45.8 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Education, Health & Community


In 2024, -666,666,666.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is -666,666,666.00%, which is far lower than the national rate (89.40%). The uninsured rate is -666,666,666.00%, which is far lower than the national rate (8.60%). Private coverage is -666,666,666.00%, which is far lower than the national rate (67.30%). Public coverage is -666,666,666.00%, which is far lower than the national rate (36.30%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.70%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00%
9th to 12th grade, no diploma:00%
High school graduate (includes equivalency):00%
Some college, no degree:00%
Associate's degree:00%
Bachelor's degree:00%
Graduate or professional degree:00%
Total:0100%
High school or higher:00%
Bachelor's degree or higher:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:00%
Public Insurance:00%
No Insurance:00%
Total:0100%
Has Health Insurance:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty0.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 07820 supports both business and residential activity. According to the Business Census (2024), there are 12 business establishments, employing about 289 people with an annual payroll of $16,829,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:135Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:12Source: CBP
1st Quarter Payroll:$3,912,000Source: CBP
Annual Payroll:$16,829,000Source: CBP
# of Employees:289Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 07820 is located in Warren County, New Jersey, within the Allentown-Bethlehem-Easton, PA-NJ Metropolitan Statistical Area (CBSA 10900) and New Jersey's 7th Congressional District. This Metro area has a population of 821,173 people, about 0.01% of whom live in ZIP Code 07820. It covers 1.489 sq mi of land and a water area of 0 sq mi.

CBSA Name:Allentown-Bethlehem-Easton, PA-NJSource: Census
CBSA Number:10900Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:821,173Source: Census
MSA:New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census
Land Area:1.489 sq miSource: Census
Water Area:--Source: Census
Congressional District:07Source: USPS
Congressional Land Area:970.19 sq miSource: Census
PMSA:Newark, NJ PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3400640Source: Census
Place Name:Allamuchy CDP; New JerseySource: Census

Adjacent & Nearby ZIP Codes


07821 | | 07806

Schools in ZIP Code 07820


ZIP Code 07820 is in the Allamuchy Township School District, which serves grades Kindergarten thru 12th. There are 2 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Mountain Villa School 1686 County Rt 517
Allamuchy, NJ 07820
District: Allamuchy Township School District
Allamuchy Township School 20 Johnsonburg Road
Allamuchy, NJ 07820
District: Allamuchy Township School District
Tranquility Adventist School 3 Academy Ln
Andover, NJ 07821
District: Private SchoolNearby
The Beanstalk Academy 153 Lakeside Blvd
Landing, NJ 07850
District: Private SchoolNearby
Elite Prepartory Academy 452 Lakeside Blvd
Hopatcong, NJ 07843
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 07820


Centenary University 400 Jefferson St
Hackettstown, NJ 07840
Type: Post Secondary
Cutting Edge Academy 45 Sunset Strip And Route 10 East
Succasunna, NJ 07876-1311
Type: Post Secondary
Sussex County Community College One College Hill Road
Newton, NJ 07860
Type: Post Secondary
County College Of Morris 214 Center Grove Rd
Randolph, NJ 07869-2086
Type: Post Secondary
Joe Kubert School Of Cartoon And Graphic Art 37 Myrtle Ave
Dover, NJ 07801
Type: Post Secondary
Warren County Community College 475 Route 57 W
Washington, NJ 07882-4343
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov