The report, Structural and Occupancy Characteristics of Housing: 2000 [pdf 879kb], said South Carolina and New Mexico had the highest proportion of mobile homes, about 1-in-5. Florida was the numerical leader with more than 800,000, followed by Texas at more than 700,000.

The report, part of a series that presents population and housing data collected from Census 2000, examines the number of housing units in a structure, the year the structure was built, the year the householder moved into the unit and the number of people per room.

Housing units in California and Hawaii were more crowded than those in other states. About 15 percent of their occupied homes had more than one person per room, compared with
10 percent or less in the rest of the country. “Crowded” means more than one person per room.

Nine of the 10 places with 100,000 or more people and the highest percentage of crowded units were in California. Three of them — East Los Angeles, El Monte and Santa Ana — had the highest proportion of any city that size, with about 50 percent of the homes being crowded.

Other highlights from the report:

• More than 1-in-4 of Nevada’s homes were built between 1995 and March 2000, the
only state that topped the 20 percent mark. Neighboring Arizona (19 percent) and Utah
(17 percent) were second and third.

• About 60 percent of all housing units were single-family, detached homes. The
average household size of these units was 2.8 occupants, compared with an average of 2.6 occupants for all occupied housing units.

• Iowa, Kansas, Nebraska and Michigan had the highest proportion of single-family homes, about 75 percent each.

• Hawaii and New York topped all states in the proportion of housing in buildings with five or more apartments; about 1-in-3 of the housing units in these states were multiunit buildings.

The data are based on responses from the sample of households that received the census long form, about 1-in-6 nationally. They are subject to sampling and nonsampling error.

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