Plymouth County GIS Maps

Plymouth 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.

Plymouth County Parcels

Plymouth County has 215,257 mapped parcels. The median assessed value is $516,600. The median lot size is 0.50 acres. 5,769 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1970 or earlier. The records carry 183,453 distinct owner names. About 3% of parcels list an owner mailing address outside Massachusetts. Owner names, mailing addresses, site addresses and assessed values are on nearly every parcel. Lot sizes reach 90.6%. Browse the interactive Plymouth County Parcel viewer here.

Plymouth County Parcel Data Coverage

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

Plymouth County Population

Plymouth County had 530,819 residents in 2020. That was 7.3% higher than in 2010. Plymouth County added 57,997 people between 2000 and 2020, which points to steady long-term growth. Brockton is the largest city in the county, but it accounts for only about 20% of the total population. The county is fairly spread out, with about 806 people per square mile. Some of the county's most populated postal areas include Brockton, Plymouth and Brockton.

Population Trend in Plymouth County MA

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

Plymouth County Zip Codes

Plymouth County has 35 zip codes. Some of the county's most populated zip codes include Brockton (02301), Plymouth (02360) and Brockton (02302). Brockton is the largest zip by population, with about 69,418 residents or 13% of the county total. Together, the three largest zips account for about 31% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Plymouth County MA

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

Plymouth County Demographics

Plymouth County has a median age of 42.9, which makes the county a little older than Massachusetts overall. About 20.9% of residents are under 18, while 19.2% 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 29.2% of the population, which points to a solid working-age base. About 41.2% of adults have a bachelor's degree or higher, above the statewide figure of 46.6%. 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 Plymouth County MA

Plymouth County School Districts

Plymouth County is served by 20 public school districts with 68,425 students enrolled in 2024. The largest districts on the county map are Brockton, Plymouth and Bridgewater-Raynham. 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 Plymouth County MA

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

Plymouth County Housing & Real Estate

Plymouth County has a median home value of $513,000 and a median gross rent of $1,655. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Massachusetts median, while rents come in below the state average. In March 2026, the median listing price was $737,500 and homes spent about 44 days on the market.

Businesses in Plymouth County, MA

Plymouth County has 21,790 business listings across 1,012 categories. The largest categories in Plymouth County business listings are Real Estate Agents (439, 2.0%), Contractors (414, 1.9%), and Auto Repair (340, 1.6%). The full Plymouth County business listings dataset includes names, categories, addresses and contact details where available. Plymouth County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Plymouth County, MA

Plymouth County Business Listings

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

Plymouth County Basemaps

Plymouth 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 Massachusetts — explore the full structure before you buy.