| City: | Oldwick, New Jersey |
| County: | Hunterdon County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:53:45 PM |
| Population: | 117 [See All] |
| Area Code: | 908 |
| Classification: | PO Box |
| Coordinates: | 40.6800, -74.7355 |
| Land Area: | 2.632 sq mi |
| Quick Link: |
Oldwick is a tiny hamlet in Hunterdon County, New Jersey, where 117 residents live in one of the state's most rural areas. It's a PO Box Only Zone, meaning there's no alternative mail delivery anywhere in the area. Everyone picks up their mail at the post office on Lamington Road.
The Oldwick post office maintains 324 PO Boxes for just 51 local households. That's a 6.35x adoption rate, meaning PO Boxes here outnumber local homes more than six to one. This isn't because Oldwick residents are unusually fond of PO Boxes. People from surrounding areas rely on this small post office as their only mail access point. The hamlet serves as a postal hub for a rural region that lacks carrier delivery infrastructure.
Despite its small residential population, Oldwick has 41 business establishments employing 838 workers. That employment figure dwarfs the local population by a factor of seven. These businesses serve the broader Hunterdon County area, and many of their employees and customers likely use Oldwick PO Boxes for correspondence.
The median age of 51.2 years points to an older community. Only 3 children under 18 live here. Of 72 total housing units, 45 are owner-occupied homes. The household composition (2.29 people per home) suggests couples and empty nesters rather than young families. Street names like Old Farm Lane, Church Street, and Cold Brook Road speak to the area's agricultural heritage.
Street names reflect Oldwick's rural character and agricultural heritage.
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
| 2020 Population: | 117Source: Census DHC |
| 2024 ACS Population Estimate: | 0Source: Census ACS |
| 2026 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 |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 174 | 133 | 170 | 102 | 30 | 144 | 173 | 147 | 111 | 107 | 0 | 0 | 0 |
| Decennial Census | 144 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 117 | -- | -- | -- |
Median Age: 51.2
Male Median Age: 53.5
Female Median Age: 42.8
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 3 | 4 | 3 | 0 | 4 | 6 | 3 | 2 | 5 | 0 | 3 | 1 | 11 | 15 | 3 | 1 | 0 | 0 |
| Female | 0 | 2 | 2 | 5 | 2 | 1 | 8 | 1 | 6 | 1 | 9 | 2 | 3 | 0 | 6 | 0 | 4 | 1 |
| Total | 3 | 6 | 5 | 5 | 6 | 7 | 11 | 3 | 11 | 1 | 12 | 3 | 14 | 15 | 9 | 1 | 4 | 1 |
| White: | 102 | 89.47% |
| Black: | 0 | 0% |
| Hispanic:* | 9 | 7.89% |
| Asian: | 1 | 0.88% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 2 | 1.75% |
| Total: | 114 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 64 | 54.70% | 53.5 years |
| Females: | 53 | 45.30% | 42.8 years |
| Total: | 117 | 100% | 51.2 years |
| Native, born in the United States: | 0 | 0% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0% |
| Foreign born, naturalized U.S. citizen: | 0 | 0% |
| Foreign born, not a U.S. citizen: | 0 | 0% |
| Total Population: | 0 | 100% |
| Total Native Population: | 0 | 0% |
| Total Foreign-born Population: | 0 | 0% |
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
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Employed: | 0 | 0% |
| Unemployed: | 0 | 0% |
| Not In Labor Force: | 0 | 0% |
| Total: | 0 | 100% |
| Management, business, science, and arts: | 0 | 0% |
| Service: | 0 | 0% |
| Sales and Office: | 0 | 0% |
| Natural resources, construction, and maintenance: | 0 | 0% |
| Production, transportation, and material moving: | 0 | 0% |
| Total Civilian Employed Population: | 0 | 100% |
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
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $1,000,001 | $1,000,001 | $724,400 | $1,000,001 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Less than $500: | 0 | 0% |
| $500 to $999: | 0 | 0% |
| $1,000 to $1,499: | 0 | 0% |
| $1,500 to $1,999: | 0 | 0% |
| $2,000 to $2,499: | 0 | 0% |
| $2,500 to $2,999: | 0 | 0% |
| $3,000 or more: | 0 | 0% |
| No Rent: | 0 | 0% |
| Total: | 0 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 0 | 0% |
| Owner Occupied (free and clear, no mortgage): | 0 | 0% |
| Renter Occupied: | 0 | 0% |
| Total Occupied Housing Units: | 0 | 100% |
| Occupied Housing Units: | 0 | 0% |
| Vacant Housing Units (not graphed): | 0 | 0% |
| Total Housing Units: | 0 | 100% |
| Single-Family Units: | 0 | 0% |
| Multi-Family Units: | 0 | 0% |
| Other Units: | 0 | 0% |
| Total Housing Units: | 0 | 100% |
ZIP Code 08858 supports both business and residential activity. According to the Business Census (2024), 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: | 3,739Source: 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 |
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 |
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.
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 January 1, 2026.