Hampden County GIS Maps

Hampden 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.

Hampden County Parcels

Hampden County has 165,092 mapped parcels. The median assessed value is $291,100. The median lot size is 0.30 acres. 5,377 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1956 or earlier. The records carry 137,776 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. Lot sizes reach 93.8%. Browse the interactive Hampden County Parcel viewer here.

Hampden County Parcel Data Coverage

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

Hampden County Population

Hampden County had 465,825 residents in 2020. That was 0.5% higher than in 2010. Hampden County added 9,597 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 755 people per square mile. Some of the county's most populated postal areas include Westfield, Holyoke and Springfield.

Population Trend in Hampden County MA

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

Hampden County Zip Codes

Hampden County has 39 zip codes. Some of the county's most populated zip codes include Westfield (01085), Holyoke (01040) and Springfield (01109). Westfield is the largest zip by population, with about 41,529 residents or 9% of the county total. Together, the three largest zips account for about 24% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Hampden County MA

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

Hampden County Demographics

Hampden County has a median age of 39.8, which makes the county a little younger than Massachusetts overall. About 21.1% of residents are under 18, while 17.8% 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 31.2% of the population, which points to a solid working-age base. About 28.9% 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 Hampden County MA

Hampden County School Districts

Hampden County is served by 14 public school districts with 61,643 students enrolled in 2024. The largest districts on the county map are Springfield, Chicopee and Holyoke. Those three districts account for about 57% 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 Hampden County MA

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

Hampden County Housing & Real Estate

Hampden County has a median home value of $276,300 and a median gross rent of $1,105. About 62% 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 $352,475 and homes spent about 32 days on the market.

Businesses in Hampden County, MA

Hampden County has 17,287 business listings across 974 categories. The largest categories in Hampden County business listings are Medical Offices (433, 2.5%), Churches & Religious Organizations (350, 2.0%), and ATMs (259, 1.5%). The full Hampden County business listings dataset includes names, categories, addresses and contact details where available. Hampden County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Hampden County, MA

Hampden County Business Listings

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

Hampden County Basemaps

Hampden 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.