Monmouth County GIS Maps

Monmouth 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.

Monmouth County Parcels

Monmouth County has 264,347 mapped parcels covering 277,939 acres. The median assessed value is $601,100. The median lot size is 0.27 acres. 4,478 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1973 or earlier. About 4% of parcels list an owner mailing address outside New Jersey. Mailing addresses reach 94.5%. Site addresses reach 94.5%. Browse the interactive Monmouth County Parcel viewer here.

Monmouth County Parcel Data Coverage

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

Monmouth County Population

Monmouth County had 643,615 residents in 2020. That was 2.1% higher than in 2010. Monmouth County added 28,314 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 1,375 people per square mile. Some of the county's most populated postal areas include Freehold, Manalapan and Howell.

Population Trend in Monmouth County NJ

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

Monmouth County Zip Codes

Monmouth County has 49 zip codes. Some of the county's most populated zip codes include Freehold (07728), Manalapan (07726) and Howell (07731). Freehold is the largest zip by population, with about 56,444 residents or 9% of the county total. Together, the three largest zips account for about 22% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Monmouth County NJ

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

Monmouth County Demographics

Monmouth County has a median age of 43.2, which makes the county a little older than New Jersey overall. About 21% of residents are under 18, while 18.6% 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 29.1% of the population, which points to a solid working-age base. About 50.6% 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 Monmouth County NJ

Monmouth County School Districts

Monmouth County is served by 30 public school districts with 44,452 students enrolled in 2024. The largest districts on the county map are Middletown Township, Long Branch City and Matawan-Aberdeen Regional. Those three districts account for about 41% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Monmouth County NJ

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

Monmouth County Housing & Real Estate

Monmouth County has a median home value of $566,500 and a median gross rent of $1,771. About 75% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the New Jersey median, while rents come in above the state average. In March 2026, the median listing price was $827,495 and homes spent about 39 days on the market.

Businesses in Monmouth County, NJ

Monmouth County has 31,144 business listings across 1,140 categories. The largest categories in Monmouth County business listings are Real Estate Agents (749, 2.4%), Medical Offices (442, 1.4%), and Contractors (421, 1.4%). The full Monmouth County business listings dataset includes names, categories, addresses and contact details where available. Monmouth County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Monmouth County, NJ

Monmouth County Business Listings

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

Monmouth County Basemaps

Monmouth 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.