ZIP Code 08858 in Oldwick, NJ

Data Last Updated: October 1, 2025
City:Oldwick, New Jersey
County:Hunterdon County
Timezone:Eastern (GMT -05:00)
Local Time:9:34:41 PM
Population:117 [See All]
Area Code:908
Classification:PO Box
Coordinates:40.6800, -74.7355
Land Area:2.632 sq mi
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Population & Demographics


ZIP Code 08858 has 117 residents and 51 households (average 2.29 persons per household). The median age is 51.2 years, significantly older than the state (39.9) and significantly older than the nation (38.8). The gender split is 54.7% male and 45.3% female, which is higher than the state male share (48.6%), making this a male-majority area. Largest groups are White (87.2%, much higher than the state average of 55.0% and well above the national average of 61.6%) and Hispanic or Latino (7.7%); Hispanic or Latino residents make up 7.7%, 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 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:117Source: Census DHC
2023 ACS Population Estimate:0Source: Census ACS
2025 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:44.5 people per sq mile
Average Income:$0Source: Census ACS
Households:51Source: Census DHC
Average House Value:$0Source: Census ACS
Persons Per Household:2.29Source: Census DHC
Average Family Size:2.24Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--17413317010230144173147111107000
Decennial Census144------------------117------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

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


Median Age: 51.2

Male Median Age: 53.5

Female Median Age: 42.8

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male34304632503111153100
Female022521816192306041
Total36556711311112314159141
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:10289.47%
Black:00%
Hispanic:*97.89%
Asian:10.88%
American Indian:00%
Hawaiian:00%
Other:21.75%
Total:114100%
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:6454.70%53.5 years
Females:5345.30%42.8 years
Total:117100%51.2 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 2019-2023 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.

Income & Employment


In 2023, the Median household income is $0, which is far less than the state median ($101,050), is down $77,438 (100.0%) since 2011 and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is well under the state female median ($66,569), with a current gap of $0 that has stayed about the same from 2011 to 2023.

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$77,438$185,361$79,444$190,417$0$0$0$0$0$0$0$0$0
Median Family Income$180,778$185,806$0$0$0$0$0$0$0$0$0$0$0
Median NonFamily Income$30,000$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Female Income$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:00%
Unemployed:00%
Not In Labor Force:00%
Total:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:00%
Service:00%
Sales and Office:00%
Natural resources, construction, and maintenance:00%
Production, transportation, and material moving:00%
Total Civilian Employed Population:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $0, which is considerably lower than the state median ($427,600), is down $1,000,001 (100.00%) since 2011 and above its 2019 pre-pandemic level by $0. The median gross rent is $0, which is far less than the state median ($1,653), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$1,000,001$1,000,001$724,400$1,000,001$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00%
$500 to $999:00%
$1,000 to $1,499:00%
$1,500 to $1,999:00%
$2,000 to $2,499:00%
$2,500 to $2,999:00%
$3,000 or more:00%
No Rent:00%
Total:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):00%
Owner Occupied (free and clear, no mortgage):00%
Renter Occupied:00%
Total Occupied Housing Units:0100%

Occupied Housing Units:00%
Vacant Housing Units (not graphed):00%
Total Housing Units:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:00%
Multi-Family Units:00%
Other Units:00%
Total Housing Units:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


Insufficient data for educational attainment. Insufficient data for health insurance coverage. Insufficient data for poverty. Insufficient data for school enrollment.

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

Source: U.S. Census 2011-2023 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 2019-2023 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 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty0.0%0.0%0.0%0.0%-666,666,666.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2023 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 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 08858 supports both business and residential activity. According to the Business Census (2023), there are 39 business establishments, employing about 891 people with an annual payroll of $99,319,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:3,672Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:39Source: CBP
1st Quarter Payroll:$32,244,000Source: CBP
Annual Payroll:$99,319,000Source: CBP
# of Employees:891Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 08858 is located in Hunterdon County, New Jersey, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New Jersey's 7th Congressional District. This Metro area has a population of 19,756,722 people, about 0.00% of whom live in ZIP Code 08858, and is subdivided into the Newark, NJ division. It covers 2.632 sq mi of land and a water area of 0.014 sq mi.

CBSA Name:New York-Newark-Jersey City, NY-NJSource: Census
CBSA Number:35620Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Newark, NJ (CBSA Div 35084)Source: Census
CBSA Population:19,756,722Source: Census
MSA:New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census
Land Area:2.632 sq miSource: Census
Water Area:0.014 sq miSource: Census
Congressional District:07Source: USPS
Congressional Land Area:970.19 sq miSource: Census
PMSA:Middlesex-Somerset-Hunterdon, NJ PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3454900Source: Census
Place Name:Oldwick CDP; New JerseySource: Census

Adjacent & Nearby ZIP Codes


08859 | | 08857

Schools in ZIP Code 08858


We could not locate which school district 08858 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Old Turnpike School 171 Old Turnpike Road
Califon, NJ 07830
District: Tewksbury Township School DistrictNearby
Tewksbury Elementary School 109 Fairmount Road East
Califon, NJ 07830
District: Tewksbury Township School DistrictNearby
Whitehouse School 50 Whitehouse Ave
Whitehouse Station, NJ 08889
District: Readington Township School DistrictNearby
Round Valley 128 Cokesbury Rd
Lebanon, NJ 08833
District: Clinton Township School DistrictNearby
Lebanon Borough School 6 Maple St
Lebanon, NJ 08833
District: Lebanon Borough School DistrictNearby
Purnell School 51 Pottersville Rd
Pottersville, NJ 07979
District: Private SchoolNearby
The Willow School 1150 Pottersville Rd
Gladstone, NJ 79342
District: Private SchoolNearby
Whitehouse Preparatory School 587 US Highway 22 E
Whitehouse Station, NJ 08889
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 08858


Raritan Valley Community College 118 Lamington Road
Branchburg, NJ 08876
Type: Post Secondary
Centenary University 400 Jefferson St
Hackettstown, NJ 07840
Type: Post Secondary
American Institute-Somerset 80 Cottontail Lane
Somerset, NJ 08873-1100
Type: Post Secondary
Cutting Edge Academy 45 Sunset Strip And Route 10 East
Succasunna, NJ 07876-1311
Type: Post Secondary
County College Of Morris 214 Center Grove Rd
Randolph, NJ 07869-2086
Type: Post Secondary
Rabbinical College Of America 226 Sussex Ave
Morristown, NJ 07960-3600
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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], 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 2011-2023 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: 10/1/2025], https://nces.ed.gov