Nantucket County GIS Maps

Nantucket 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.

Nantucket County Parcels

Nantucket County has 14,357 mapped parcels. The median assessed value is $2,244,000. The median lot size is 0.35 acres. 394 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1986 or earlier. The records carry 10,074 distinct owner names. About 32% 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 93.3%. Browse the interactive Nantucket County Parcel viewer here.

Nantucket County Parcel Data Coverage

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

Nantucket County Population

Nantucket County had 14,255 residents in 2020. That was 40.1% higher than in 2010. Nantucket County added 4,735 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 309 people per square mile. Some of the county's most populated postal areas include Nantucket, Siasconset and Nantucket.

Population Trend in Nantucket County MA

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

Nantucket County Zip Codes

Nantucket County has 3 zip codes. Some of the county's most populated zip codes include Nantucket (02554), Siasconset (02564) and Nantucket (02584). Nantucket is the largest zip by population, with about 13,517 residents or 95% of the county total. Together, the three largest zips account for about 100% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Nantucket County MA

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

Nantucket County Demographics

Nantucket County has a median age of 40.8, which is close to the Massachusetts average. About 20.6% of residents are under 18, while 15.5% 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 35.7% of the population, which points to a solid working-age base. About 58.4% 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 Nantucket County MA

Nantucket County School Districts

Nantucket County is served by 1 public school district with 1,719 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Nantucket County MA

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

Nantucket County Housing & Real Estate

Nantucket County has a median home value of $1,387,000 and a median gross rent of $2,070. About 76% 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 $4,087,500 and homes spent about 118 days on the market.

Businesses in Nantucket County, MA

Nantucket County has 1,305 business listings across 362 categories. The largest categories in Nantucket County business listings are Beach (41, 3.1%), Clothing Stores (39, 3.0%), and Restaurants (37, 2.8%). The full Nantucket County business listings dataset includes names, categories, addresses and contact details where available. Nantucket County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Nantucket County, MA

Nantucket County Business Listings

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

Nantucket County Basemaps

Nantucket 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.