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Massachusetts: county data, all 14 of them.

Every Massachusetts county has a data page built from federal sources, each figure carrying its publisher and period. What this page does not carry is the Massachusetts statutory framework, and the reason is below rather than hidden.

Counties
14
Population
7,044,056
Land area
7,800 sq mi
Establishments
182,867
Combined county GDP
$778.52 bn
SBA approvals recorded
14,215

Read this first

This is a county directory, not a state guide.

The county pages below are complete. They carry demographics, growth and migration, economic output, employment and wages, business establishments by industry, the construction pipeline, the SBA lending record including charge off rates, geography and hazard. Every figure names its publisher and the period it describes.

What is missing is the Massachusetts legal and regulatory frame: how zoning and land development codes work in this state, what the entitlement path looks like, which agencies permit what, and which statutes override local codes. That material requires a research pack for Massachusetts, and no such pack exists yet.

Why there is no state guide here

You cannot write Massachusetts zoning law from a population table. Everything on the county pages is derived from federal datasets that cover all counties equally; statutory analysis is not, and generating it anyway would produce confident text about the law that nothing behind it supports.

Florida and California have research packs and therefore have full state guides. The remaining eight, including this one, do not. That is stated rather than papered over.

Counties

All 14 Massachusetts county-equivalents.

Massachusetts counties: population, income, establishments and SBA activity
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvalsLand area, sq mi
Barnstable County231,668$95,2418,957$19.30 bn969394
Berkshire County129,430$76,0133,749$9.17 bn266927
Bristol County582,270$85,62513,221$36.04 bn996553
Dukes County20,933$125,7861,251$2.11 bn66103
Essex County813,054$101,88319,988$60.73 bn2,211493
Franklin County70,944$74,9071,549$3.70 bn108699
Hampden County462,815$71,3069,339$30.60 bn571617
Hampshire County162,028$87,0013,491$10.39 bn220527
Middlesex County1,638,365$130,84744,624$240.67 bn3,136818
Nantucket County14,483$139,6881,317$2.11 bn7345
Norfolk County730,082$130,73920,745$75.07 bn1,556396
Plymouth County535,075$114,20113,421$36.92 bn1,309659
Suffolk County785,121$95,63122,034$190.78 bn1,18258
Worcester County867,788$95,93919,181$60.95 bn1,5521,511

The register

Every source behind these 14 pages.

SourcePeriod coveredLicence
US Census Bureau, American Community Survey 5-Year Estimates2020-2024 5-yearUS Census Bureau, public domain
US Census Bureau, Population Estimates Program, Vintage 2024Vintage 2024, estimates 2020 to 2024US Census Bureau, public domain
US Bureau of Economic Analysis, Regional, table CAGDP2CAGDP2, through 2024US Bureau of Economic Analysis, public domain
US EPA, Map of Radon Zones, county spreadsheet2024-05 publication, EPA 402/A-16/001US EPA, public domain
FEMA OpenFEMA, NFIP Community Status BookCommunity Status Book, as retrievedFEMA OpenFEMA, public domain
US Small Business Administration, 7(a) FOIA releaseFY2020 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Small Business Administration, 504 FOIA releaseFY2010 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary verticesTIGER county boundariesUS Census Bureau, public domain
US Census Bureau, County Business Patterns2023US Census Bureau, public domain
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages2024 annual averagesUS BLS, public domain
US Census Bureau, Building Permits Survey2024 annualUS Census Bureau, public domain
US Internal Revenue Service, Statistics of Income county migration flows2021 to 2022 filing yearsIRS SOI, public domain

How a county page is built →