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.¹ The maximum affordable loan amount for the median household income is also calculated. You can also compare Boise City home affordability to other cities.

Boise City, Idaho Home Price-to-Income Ratios

The current price-to-income ratio for Boise City is 2.54 as determined by September 2011 Realtor median sales prices. The second chart shows a history of the ratio as an index calculated from the Federal Housing Finance Agency's Boise City HPI series. Median household income data for Boise City is from the Census American Community Survey.

Price-to-Income Dollar Ratio: Realtor

Price-to-Income Index Ratio: FHFA

Note: Index set to 100 in Q1 of 2000

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

Date	Realtor (Dollar Ratio)	FHFA (Index Ratio)
September 2011	2.54	102.7
June 2011	2.40	101.0
March 2011	2.69	105.0
December 2010	2.88	115.6
September 2010	2.88	118.6
June 2010	2.88	119.1
March 2010	2.88	123.6
December 2009	3.19	125.6
September 2009	3.19	128.8

Boise City, Idaho Home Price-to-Rent Ratios

The current adjusted price-to-rent ratio for Boise City is 15.31 as determined by September 2011 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 Dollar Ratio: Realtor, Realtor Adjusted Rent

Price-to-Rent Index Ratio: FHFA

Note: Index set to 100 in Q1 of 2000

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

Date	Realtor (Dollar Ratio)	Realtor Adjusted (Dollar Ratio)	FHFA (Index Ratio)
September 2011	15.60	15.31	94.0
June 2011	14.79	14.52	92.5
March 2011	16.58	16.27	96.1
December 2010	17.73	17.41	105.8
September 2010	17.73	17.41	108.6
June 2010	17.73	17.41	109.0
March 2010	17.73	17.41	113.1
December 2009	19.33	18.97	113.5
September 2009	19.33	18.97	116.4

Boise City, Idaho Home Rent-to-Mortgage Payment Ratio

The rent-to-mortgage payment ratio uses the adjusted rent for Boise City against a 100% loan-to-value mortgage (30-year fixed) for the median price home using Realtor home sales statistics. It's a lot like a cap rate, but I find it more appealing in ratio form. A ratio of 1.0 means that annual rent is equivalent annual mortgage payments. Values less than 1.0 indicate rents are cheaper and values greater than 1.0 mean mortgage payments are cheaper. Beware, taxes are not considered here. The rent-to-mortgage payment ratio for Boise City was 1.13 in September 2011.

Rent-to-Mortgage Payment Dollar Ratio: Realtor

Boise City, Idaho Home Rent-to-Mortgage Payment Ratio History

Date	Realtor Adjusted Rent (Dollar Ratio)
September 2011	1.13
June 2011	1.13
March 2011	0.97
December 2010	0.92
September 2010	0.96
June 2010	0.92
March 2010	0.89
December 2009	0.82
September 2009	0.81

Boise City, Idaho Inferred Affordable Mortgage

The inferred affordable mortgage value 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

Boise City, Idaho Inferred Affordable Mortgage History

Date	Inferred Mortgage
November 2011	$247,656
October 2011	$245,280
September 2011	$244,104
August 2011	$239,484
July 2011	$231,708
June 2011	$232,795
May 2011	$229,289
April 2011	$224,047
March 2011	$224,047
February 2011	$221,242
January 2011	$226,122
December 2010	$227,433
November 2010	$238,632