Department of Numbers

Boise City, Idaho Home Affordability

The data below measures home affordability for the Boise City-Nampa, Idaho metropolitan area using price-to-income and price-to-rent metrics. The maximum affordable loan amount for the median household income is also calculated.

Boise City, Idaho Home Price-to-Income Index

The current price-to-income ratio for Boise City is 2.7 as determined by June 2010 Realtor median sales prices. The chart below shows a history of the ratio as an index calculated from the Federal Housing Finance Agency's Boise City HPI series.1 Median household income data for Boise City is from the Census American Community Survey.2

Price-to-Income: FHFA

Note: Index set to 100 in Q1 of 2000

Boise City, Idaho Home Price-to-Income Index History

Date FHFA
June 2010 110.2
March 2010 114.0
December 2009 117.9
September 2009 122.2
June 2009 127.7

Boise City, Idaho Home Price-to-Rent Index

The current price-to-rent ratio for Boise City is 16.18 as determined by June 2010 Realtor median sales prices. This ratio is calculated using household size adjusted median contract rent for Boise City. The chart below shows an index of the rent ratio calculated from the metro FHFA HPI series and the Boise City median contract rent data from the Census ACS.

Price-to-Rent: FHFA

Note: Index set to 100 in Q1 of 2000

Boise City, Idaho Home Price-to-Rent Index History

Date FHFA
June 2010 105.0
March 2010 108.7
December 2009 112.4
September 2009 116.6
June 2009 121.7

Boise City, Idaho Inferred Affordable Mortgage

The inferred affordable mortgage is determined by taking the median household income for Boise City, Idaho and calculating the mortgage 30% of that income could afford. Traditionally, 30% of income is the maximum amount a homeowner could use towards a home loan. Inferred affordable loan values are calculated from ACS median household income and average monthly mortgage rates.

Inferred Affordable Mortgage

Date Inferred Mortgage
July 2010 $254,636
June 2010 $249,364
May 2010 $245,095
April 2010 $239,303
March 2010 $242,864
February 2010 $242,311
January 2010 $241,211
December 2009 $243,976
November 2009 $245,376
October 2009 $243,419
September 2009 $240,390
August 2009 $236,885
July 2009 $236,087

1. Specifically, FHFA data is from the non seasonally adjusted, all-transactions quarterly series.

2. Income data for the previous year is carried into the following year prior to the release of new income data.