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

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

Sioux County had the highest county house price index, 1990 = 100 of 35 counties in 2017, at 292.48 index. Montgomery County had the lowest, at 178.41 index. The median was 226.08 index. Source: the Federal Housing Finance Agency.

Highest292.48Sioux County
Lowest178.41Montgomery County
Median226.0835 counties

All counties, 2017

CSVChart (SVG)

Sioux CountySioux County: 292.48 index292.48Boone CountyBoone County: 266.15 index266.15Hardin CountyHardin County: 259.83 index259.83Hancock CountyHancock County: 249.61 index249.61Black Hawk CountyBlack Hawk County: 247.94 index247.94Bremer CountyBremer County: 245.85 index245.85Poweshiek CountyPoweshiek County: 244.17 index244.17Clay CountyClay County: 241.04 index241.04Dubuque CountyDubuque County: 240.01 index240.01Cerro Gordo CountyCerro Gordo County: 237.98 index237.98Marion CountyMarion County: 236.01 index236.01Mahaska CountyMahaska County: 233.65 index233.65Story CountyStory County: 233.42 index233.42Woodbury CountyWoodbury County: 231.95 index231.95Floyd CountyFloyd County: 228.46 index228.46Scott CountyScott County: 227.67 index227.67Lee CountyLee County: 227.46 index227.46Dallas CountyDallas County: 226.08 index226.08Johnson CountyJohnson County: 224.85 index224.85Clinton CountyClinton County: 223.94 index223.94Warren CountyWarren County: 221.98 index221.98Pottawattamie CountyPottawattamie County: 221.01 index221.01Polk CountyPolk County: 219.98 index219.98Wapello CountyWapello County: 219.73 index219.73Carroll CountyCarroll County: 216.54 index216.54Muscatine CountyMuscatine County: 216.44 index216.44Marshall CountyMarshall County: 211.02 index211.02Winnebago CountyWinnebago County: 207.44 index207.44Webster CountyWebster County: 204.51 index204.51Henry CountyHenry County: 203.79 index203.79Des Moines CountyDes Moines County: 202.63 index202.63Linn CountyLinn County: 197.73 index197.73Jasper CountyJasper County: 196.08 index196.08Jefferson CountyJefferson County: 190.49 index190.49Montgomery CountyMontgomery County: 178.41 index178.41
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2017
index		Change on 2016
1Sioux County292.48+14.24
2Boone County266.15+11.02
3Hardin County259.83+10.93
4Hancock County249.61+11.31
5Black Hawk County247.94+2.31
6Bremer County245.85+0.58
7Poweshiek County244.17+1.03
8Clay County241.04+8.23
9Dubuque County240.01+7.37
10Cerro Gordo County237.98+7.68
11Marion County236.01+14.6
12Mahaska County233.65+7.66
13Story County233.42+9.44
14Woodbury County231.95+10.17
15Floyd County228.46+3.77
16Scott County227.67+5.94
17Lee County227.46-2.79
18Dallas County226.08+8.15
19Johnson County224.85+6.44
20Clinton County223.94+6.1
21Warren County221.98+12.64
22Pottawattamie County221.01+7.61
23Polk County219.98+10.5
24Wapello County219.73+4.04
25Carroll County216.54+8.89
26Muscatine County216.44+5.84
27Marshall County211.02+8.1
28Winnebago County207.44-1.57
29Webster County204.51+9.54
30Henry County203.79+9
31Des Moines County202.63+4.81
32Linn County197.73+5.46
33Jasper County196.08+12.74
34Jefferson County190.49+13.32
35Montgomery County178.41+6.82

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 Iowa 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?

Sioux County, with 292.48 index in 2017, according to the Federal Housing Finance Agency.

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

Montgomery County, with 178.41 index in 2017.

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 Iowa: more rankings