Data / Rankings / County house price index, 1990 = 100 / Counties in Maine

Counties in Maine by county house price index, 1990 = 100

Knox County had the highest county house price index, 1990 = 100 of 11 counties in 2022, at 355.71 index. Kennebec County had the lowest, at 251.07 index. The median was 271.81 index. Source: the Federal Housing Finance Agency.

Highest355.71Knox County
Lowest251.07Kennebec County
Median271.8111 counties

All counties, 2022

CSVChart (SVG)

Knox CountyKnox County: 355.71 index355.71Cumberland CountyCumberland County: 340.07 index340.07York CountyYork County: 325.89 index325.89Hancock CountyHancock County: 297.92 index297.92Sagadahoc CountySagadahoc County: 296.82 index296.82Somerset CountySomerset County: 271.81 index271.81Androscoggin CountyAndroscoggin County: 266.44 index266.44Penobscot CountyPenobscot County: 256.75 index256.75Aroostook CountyAroostook County: 255.37 index255.37Oxford CountyOxford County: 251.13 index251.13Kennebec CountyKennebec County: 251.07 index251.07
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2022
index		Change on 2021
1Knox County355.71+73.18
2Cumberland County340.07+53.8
3York County325.89+44.27
4Hancock County297.92+50.12
5Sagadahoc County296.82+53.58
6Somerset County271.81+42.47
7Androscoggin County266.44+42.63
8Penobscot County256.75+39.6
9Aroostook County255.37+36.07
10Oxford County251.13+41.37
11Kennebec County251.07+37.19

Other periods

About this ranking

Annual FHFA all-transactions index of single-family house prices in US counties, with 1990 equal to 100.

Developmental nominal index, not seasonally adjusted. Uses sale prices and refinance appraisals for mortgages purchased or guaranteed by Fannie Mae or Freddie Mac. Differs from purchase-only indexes. Missing estimates and unavailable base-year values remain absent. Historical estimates can be revised.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.

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Rank Counties in Maine by county house price index, 1990 = 100 using official data, and cite the source.
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Questions

Which county has the highest county house price index, 1990 = 100?

Knox County, with 355.71 index in 2022, according to the Federal Housing Finance Agency.

Which county has the lowest county house price index, 1990 = 100?

Kennebec County, with 251.07 index in 2022.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Housing Finance Agency, FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. Retrieved 2026-10-10.

County house price index, 1990 = 100: other rankings

Counties in Maine: more rankings