Suffolk County GIS Maps

Suffolk 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.

Suffolk County Parcels

Suffolk County has 208,642 mapped parcels. The median assessed value is $635,100. Of the parcels with a recorded build year, half were built in 1920 or earlier. The records carry 165,598 distinct owner names. About 4% of parcels list an owner mailing address outside Massachusetts. Owner names, mailing addresses, site addresses and assessed values are on nearly every parcel. Browse the interactive Suffolk County Parcel viewer here.

Suffolk County Parcel Data Coverage

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

Suffolk County Population

Suffolk County had 797,936 residents in 2020. That was 10.5% higher than in 2010. Suffolk County added 108,129 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 13,700 people per square mile. Some of the county's most populated postal areas include Revere, Dorchester Center and Brighton.

Population Trend in Suffolk County MA

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

Suffolk County Zip Codes

Suffolk County has 35 zip codes. Some of the county's most populated zip codes include Revere (02151), Dorchester Center (02124) and Brighton (02135). Revere is the largest zip by population, with about 62,252 residents or 8% of the county total. Together, the three largest zips account for about 20% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Suffolk County MA

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

Suffolk County Demographics

Suffolk County has a median age of 33.8, which makes the county a little younger than Massachusetts overall. About 16.2% of residents are under 18, while 13% 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 41.4% of the population, which points to a solid working-age base. About 49.9% of adults have a bachelor's degree or higher, above the statewide figure of 46.6%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Suffolk County MA

Suffolk County School Districts

Suffolk County is served by 4 public school districts with 61,410 students enrolled in 2024. The largest districts on the county map are Boston, Revere and Chelsea. Those three districts account for about 97% 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 Suffolk County MA

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

Suffolk County Housing & Real Estate

Suffolk County has a median home value of $680,700 and a median gross rent of $2,069. About 37% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Massachusetts median, while rents come in above the state average. In March 2026, the median listing price was $894,250 and homes spent about 36 days on the market.

Businesses in Suffolk County, MA

Suffolk County has 33,686 business listings across 1,156 categories. The largest categories in Suffolk County business listings are Community & Nonprofits (743, 2.2%), Real Estate Agents (648, 1.9%), and Landmark And Historical Building (545, 1.6%). The full Suffolk County business listings dataset includes names, categories, addresses and contact details where available. Suffolk County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Suffolk County, MA

Suffolk County Business Listings

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

Suffolk County Basemaps

Suffolk 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.