Sussex County GIS Maps

Sussex County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Sussex County Parcels

Sussex County has 76,476 mapped parcels covering 330,774 acres. The median assessed value is $255,400. The median lot size is 0.55 acres. 4,288 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1972 or earlier. About 7% of parcels list an owner mailing address outside New Jersey. Mailing addresses reach 97.0%. Site addresses reach 97.0%. Browse the interactive Sussex County Parcel viewer here.

Sussex County Parcel Data Coverage

Field coverage measured across all Sussex County parcel records. Download free sample data here.

Sussex County Population

Sussex County had 144,221 residents in 2020. That was 3.4% lower than in 2010. Sussex County added 55 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 278 people per square mile. Some of the county's most populated postal areas include Newton, Sparta and Sussex.

Population Trend in Sussex County NJ

Sussex County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Sussex County Zip Codes

Sussex County has 19 zip codes. Some of the county's most populated zip codes include Newton (07860), Sparta (07871) and Sussex (07461). Newton is the largest zip by population, with about 25,704 residents or 18% of the county total. Together, the three largest zips account for about 45% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Sussex County NJ

Sussex County Zip Code populations and trends per most recent census data.

Sussex County Demographics

Sussex County has a median age of 44.1, which makes the county a little older than New Jersey overall. About 19.6% of residents are under 18, while 18.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 29.9% of the population, which points to a solid working-age base. About 40% of adults have a bachelor's degree or higher, above the statewide figure of 42.9%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Sussex County NJ

Sussex County School Districts

Sussex County is served by 7 public school districts with 10,258 students enrolled in 2024. The largest districts on the county map are Sparta Township, Vernon Township and Newton Town. Those three districts account for about 74% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Sussex County NJ

Sussex County school district enrollment and trends per most recent NCES reporting data.

Sussex County Housing & Real Estate

Sussex County has a median home value of $342,800 and a median gross rent of $1,503. About 85% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the New Jersey median, while rents come in below the state average. In March 2026, the median listing price was $428,500 and homes spent about 44 days on the market.

Businesses in Sussex County, NJ

Sussex County has 5,684 business listings across 727 categories. The largest categories in Sussex County business listings are Real Estate Agents (142, 2.5%), Lake (110, 1.9%), and Farm (105, 1.8%). The full Sussex County business listings dataset includes names, categories, addresses and contact details where available. Sussex County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Sussex County, NJ

Sussex County Business Listings

Sussex County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Sussex County Basemaps

Sussex County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from New Jersey — explore the full structure before you buy.