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 2023, at 411.68 index. Kennebec County had the lowest, at 275.83 index. The median was 308.56 index. Source: the Federal Housing Finance Agency.

Highest411.68Knox County
Lowest275.83Kennebec County
Median308.5611 counties

All counties, 2023

CSVChart (SVG)

Knox CountyKnox County: 411.68 index411.68Cumberland CountyCumberland County: 379.38 index379.38York CountyYork County: 368.82 index368.82Hancock CountyHancock County: 334.39 index334.39Sagadahoc CountySagadahoc County: 325 index325Somerset CountySomerset County: 308.56 index308.56Androscoggin CountyAndroscoggin County: 294.21 index294.21Aroostook CountyAroostook County: 288.5 index288.5Penobscot CountyPenobscot County: 284.82 index284.82Oxford CountyOxford County: 282.5 index282.5Kennebec CountyKennebec County: 275.83 index275.83
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2023
index		Change on 2022
1Knox County411.68+55.97
2Cumberland County379.38+39.31
3York County368.82+42.93
4Hancock County334.39+36.47
5Sagadahoc County325+28.18
6Somerset County308.56+36.75
7Androscoggin County294.21+27.77
8Aroostook County288.5+33.13
9Penobscot County284.82+28.07
10Oxford County282.5+31.37
11Kennebec County275.83+24.76

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 411.68 index in 2023, according to the Federal Housing Finance Agency.

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

Kennebec County, with 275.83 index in 2023.

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