RANKING · 2020 CENSUS · 16 SHOWN OF 16

Newest housing stock, Maine counties · 2020

Maine counties ranked by median year housing was built (2020 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 1976.

Flip the list · Oldest housing stock, US counties →

MaineAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Waldo County, MEME40,6931983+1%

02Hancock County, MEME57,1711980+1%

03York County, MEME222,4341979+1%

04Lincoln County, MEME36,5951978+1%

05Franklin County, MEME30,8241977+1%

06Somerset County, MEME51,6201977+1%

07Oxford County, MEME60,3461976+1%

08Penobscot County, MEME157,9671976+1%

09Sagadahoc County, MEME37,9791976+1%

10Piscataquis County, MEME17,4091975+1%

11Washington County, MEME31,3341975+1%

12Cumberland County, MEME317,2221974+1%

13Kennebec County, MEME129,0671974+1%

14Aroostook County, MEME66,6091971+1%

15Knox County, MEME41,1171971+1%

16Androscoggin County, MEME116,4871967+1%

SHOWING 1–16 OF 16

Download CSV (full list, 16 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS