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

Counties in New Hampshire by county house price index, 1990 = 100

Grafton County had the highest county house price index, 1990 = 100 of 10 counties in 2020, at 242.51 index. Coos County had the lowest, at 173.06 index. The median was 222.74 index. Source: the Federal Housing Finance Agency.

Highest242.51Grafton County
Lowest173.06Coos County
Median222.7410 counties

All counties, 2020

CSVChart (SVG)

Grafton CountyGrafton County: 242.51 index242.51Rockingham CountyRockingham County: 241.39 index241.39Strafford CountyStrafford County: 228.16 index228.16Belknap CountyBelknap County: 226.1 index226.1Hillsborough CountyHillsborough County: 224.71 index224.71Merrimack CountyMerrimack County: 220.77 index220.77Carroll CountyCarroll County: 209.49 index209.49Sullivan CountySullivan County: 185.48 index185.48Cheshire CountyCheshire County: 178.07 index178.07Coos CountyCoos County: 173.06 index173.06
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2020
index		Change on 2019
1Grafton County242.51+12.8
2Rockingham County241.39+9.66
3Strafford County228.16+11.38
4Belknap County226.1+11.08
5Hillsborough County224.71+11.57
6Merrimack County220.77+12.91
7Carroll County209.49+11.43
8Sullivan County185.48+9.3
9Cheshire County178.07+10.23
10Coos County173.06+12.34

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 New Hampshire 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?

Grafton County, with 242.51 index in 2020, according to the Federal Housing Finance Agency.

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

Coos County, with 173.06 index in 2020.

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 New Hampshire: more rankings