October 17, 2012

Distribution of Year of Construction for Homes in US

Where I live most of the homes are relatively new since our area is a suburb and has had a lot of growth in the past 20-30 years. The city we live in has had its population double in the past 20 years. Because of this about half of the houses are less than 20 years old. However in some parts of the US theres been much less growth in recent years and/or the housing has been built up nearly 100% for a long time.

I found the age of homes in the  American Housing Survey tables for 2009 data, specifically table 2-1 shows the year the structures were built.

Here's the data graphically :


The numbers are in thousands.   And a simple table :

Year Built
2005 to 2009 5,884
2000 to 2004 8,102
1995 to 1999 7,825
1990 to 1994 5,995
1985 to 1989 7,648
1980 to 1984 6,380
1975 to 1979 11,835
1970 to 1974 9,413
1960 to 1969 13,326
1950 to 1959                            11,771
1940 to 1949                         6,745
1930 to 1939                           4,828
1920 to 1929                        4,331
1919 or earlier                  7,724
Median                                       1974

Note the data is for all housing including owner occupied and rentals.

The median is 1974.  

Homes built after 1980 = 37%
Homes built from 1950 to 1979 = 41%
Homes built before 1950 = 21%

Now we don't see data for 2010 to 2012 but after the housing bust new home construction ground to a virtual halt and I assume a lot fewer homes were built in the past 3 years.
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1 comment:

  1. I think you're right after 2010 housing bubble there would have been very little construction

    ReplyDelete

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