The Newest Housing Stock in Greater Boston: Hopkinton Leads on Homes Built Since 2000
Episode 12 of Greater Boston, Ranked. Hopkinton leads 85 municipalities at 32.9% built in 2000 or later. Franklin is 22.1%, median year 1985.
Hopkinton has the highest share of homes built in 2000 or later at 32.9%, median year built 1990. Franklin is 22.1% (median 1985) and ranks 13 of 85.
Welcome to Greater Boston, Ranked — Episode 12
The leader is Hopkinton, at 32.9% (median year built 1990). Franklin is 22.1%, median year 1985, rank 13 of 85.
Hopkinton has 6,936 housing units. 9.8% of them were built before 1940, and 32.9% were built in 2000 or later. Hingham is second at 30.3%, median year 1976. The lead is 2.6 percentage points. An earlier draft of this episode named Franklin. The same URL now follows the ACS 2024 county-subdivision file.
How we measured it
📊The Leaderboard: 10 Highest Shares Built in 2000 or Later
| Rank | Municipality | % built 2000 or later | Median year built | Housing units |
|---|---|---|---|---|
1 | Hopkinton | 32.9% | 1990 | 6,936 |
2 | Hingham | 30.3% | 1976 | 10,144 |
3 | Plymouth | 28.7% | 1982 | 29,213 |
4 | Bedford | 26.3% | 1976 | 5,970 |
5 | Wrentham | 26.3% | 1984 | 4,636 |
6 | Tyngsborough | 26.0% | 1987 | 4,335 |
7 | Ashland | 25.2% | 1984 | 8,094 |
8 | Canton | 25.1% | 1980 | 9,866 |
9 | Sudbury | 24.1% | 1977 | 6,497 |
10 | Burlington | 23.9% | 1972 | 10,371 |
Hopkinton's median year, 1990, is also the newest median year in this top 10. Franklin's 22.1% is outside the top 10, at rank 13. A high post-2000 share is not the same thing as a new median: Hingham's median year is 1976 even though 30.3% of its units were built in 2000 or later.
🥇The Winner: Hopkinton, 32.9% Built in 2000 or Later
Hopkinton leads by 2.6 percentage points
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Newest share vs. oldest share: Hopkinton vs. Somerville
Hopkinton
Somerville
A post-2000 share describes when the unit was built. It does not say whether the house has been renovated, and it is not a quality score. Hopkinton still has 9.8% of units in the pre-1940 bucket.
The fine print
Data Sources & Methodology
- U.S. Census Bureau, American Community Survey 2024 5-year estimates (survey years 2020–2024), tables B25034 (Year Structure Built) and B25035 (Median Year Structure Built), Massachusetts county subdivisions. Retrieved 14 October 2026 from the Census Reporter API, release acs2024_5yr. — Post-2000 percentage sums B25034 categories for 2000–2009, 2010–2019, and 2020 or later. (accessed 2026-10-14)
- Boston Property Navigator — scripts/superlatives/extract.py — housing-age-massachusetts-towns.csv:post2000_percent. Pool size 85.
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