07857 ZIP Code, Netcong, NJ

07857 is a ZIP code in Netcong, New Jersey in Morris County. It covers 1.0 square miles of land. The closest ZIP codes are 07852, 07850 and 07874. 3,728 people live here in 1,847 households. At about 3,571 people per square mile it has suburban density, and owners and renters are mixed (57% own). Median household income is $85,898, below the New Jersey median of $103,556; the median age is 45.1, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents3,728
Households1,847
Median household income$85,898
Income per person$51,015
Median age45.1
Homeowners56.8%
Median home value$346,100
Median rent$1,443
Bachelor's degree or higher36.4%
Average commute (minutes)28.8
Households with kids under 1823.3%
Moved in the past year7.2%
Below the poverty line7.6%
Broadband internet93.8%
Speak a non-English language at home32.2%

Household income

% of householdsValue
<$10K0.9%
$10–15K11.8%
$15–25K0.9%
$25–35K3.4%
$35–50K9.1%
$50–75K19.1%
$75–100K9.3%
$100–150K21.3%
$150–200K9.0%
$200K+15.1%

Age

% of all residentsValue
<109.7%
10–196.8%
20–246.4%
25–3417.6%
35–449.3%
45–5414.3%
55–6422.2%
65–747.8%
75+6.1%

Tenure

% of housing unitsValue
Owned, with mortgage40.9%
Owned outright12.5%
Rented40.2%
Vacant6.4%

Type of building

% of housing unitsValue
Detached house68.0%
Townhome4.3%
2–4 units8.7%
5–19 units14.0%
20+ units5.0%
Mobile / other0.0%

Businesses in 07857

82 business establishments with 716 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

07857 has 3 USPS carrier routes with 1,649 residential and 93 business mailboxes. Open the EDDM route map.

Carrier routes in 07857

07857 has 3 USPS carrier routes (3 city (C)) with 1,649 residential and 93 business mailboxes. Routes range from 447 homes (C001) to 691 homes (C003); the median route has 511 homes. The Census counted 1,847 households in 07857 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4991
500–7492
750–9990
1,000–1,4990
1,500+0

Best routes in 07857 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route C003 — USPS business mailboxes 35, 691 homes
  2. Route C001 — USPS business mailboxes 32, 447 homes
  3. Route C002 — USPS business mailboxes 26, 511 homes

Select these 3 routes on the route map

Every carrier route in 07857

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C001City44732$161,838———
C002City51126$59,802———
C003City69135$59,802———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 07857 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

Areas that include 07857

Where it ranks

Mail every home in 07857

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 07857, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 07857 in?
07857 is a Netcong, NJ mailing address. By land area, 80% lies inside Netcong; the rest is outside any Census-defined city or community.
What county is 07857 in?
07857 is in Morris County.
What is the population of 07857?
About 3,728 people (±104), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 3,397.
What is the median household income in 07857?
$85,898 (±$31,938), compared with $103,556 for New Jersey as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 07857?
3 USPS carrier routes with 1,649 residential and 93 business mailboxes (1,746 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 07857?
The closest, measured center to center: 07852 (1.7 mi, Ledgewood), 07850 (1.9 mi, Landing), 07874 (2.3 mi, Byram Center), 07828 (3.4 mi, Budd Lake), 07843 (3.4 mi, Hopatcong borough, NJ) and 07876 (3.5 mi, Succasunna).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.