Quick Facts: Apartment Stock

Characteristics of Rental Apartment Units, 2011
(Units in thousands)

All Apartment Units Built 2000-2011 Built prior to 2000
Total 18,077,412 2,180,933 15,896,479
Number of Bedrooms
Zero 805,000 55,175 749,825
One 8,154,353 800,560 7,353,793
Two  7,603,440 982,395 6,621,045
Three or more 1,514,619 342,803 1,171,816
Number of Baths
Zero 149,972 9,700 140,272
One 14,355,521 1,138,884 13,216,637
Two or more 3,571,919 1,032,349 2,539,570
Amenities
At least one working elevator 3,617,979 556,733 3,061,246
Central air conditioning 10,067,194 1,852,748 8,214,446
Dishwasher 10,050,040 1,923,452 8,126,588
Washing machine 5,514,620 1,546,359 3,968,261
Dryer 5,169,427 1,528,835 3,640,592
Smoke detector 15,274,288 1,855,878 13,418,410
Apartment Units in Structure
5 to 9 5,340,952 434,945 4,906,007
10 or more 12,736,460 1,745,988 10,990,472
Structure Height
One story 1,150,043 114,189 1,035,854
Two stories 7,149,730 633,937 6,515,793
Three stories 5,351,518 920,509 4,431,009
Four or more stories 4,426,121 512,298 3,913,823
Source: NMHC tabulations of the U.S. Cenus Bureau's 2011 American Housing Survey.
Notes: The data for apartment units includes only those units in structures with five or more units. Estimates are for units either renter-occupied, rented but not yet occupied, or vacant and available for rent. Estimates are based on sample data and are subject to sampling and non-sampling error. Due to rounding and missing data for some variables, figures do not always total. Updated December 2012.
 
Where Are Apartments Located? 2011
(Units in thousands)

All Apartment Units 5-9 Units in Structure 10-24 Units in Structure 25-49 Units in Structure 50-99 Units in Structure 100+ Units in Structure
Total 18,077,412     5,340,952        6,780,152    2,117,272    1,584,295    2,254,741
Metro Areas- Central Cities 9,439,004 2,481,944 3,081,610 1,234,212 1,061,241 1,579,997
Other Urban Areas 7,650,770 2,493,167 3,188,775 828,485 503,558 636,785
Rural Areas 987,638 365,841 509,767 54,575 19,496 37,959
Source: NMHC tabulations of the U.S. Census Bureau's 2011 American Housing Survey. Estimates are forunits either renter-occupied, rented but not yet occupied, or vacant and available for rent.Updated 2/2013.
 
When Were Apartments Built? 2011
Year All Apartments (000s) 5 to 19 Units (000s) 20 to 49 Units (000s) 50 or More Units (000s)
1939 or Earlier 1,969 950 510 509
1940 to 1959 1,853 924 402 527
1960 to 1979 5,579 3,025 1,302 1,522
1980 to 1999 2,509 2,912 964 1,253
2000 or Later 2,879 1,331 582 965
Source: NMHC tabulations of 2011 American Community Survey, 1-Year Estimates. Updated October 2012.
 
State Distribution of Occupied Apartments, 2011
State  Total Occupied Apartments  Rank
Alabama 170,889 26
Alaska 29,004 49
Arizona 336,176 17
Arkansas 99,208 36
California 2,576,795 1
Colorado 340,098 16
Connecticut 182,457 25
Delaware 37,485 47
District of Columbia 111,192 33
Florida 1,045,949 4
Georgia 466,708 9
Hawaii 79,648 38
Idaho 42,597 46
Illinois 704,951 5
Indiana 277,474 20
Iowa 139,109 31
Kansas 124,159 32
Kentucky 159,533 28
Louisiana 156,385 29
Maine 51,851 43
Maryland 379,983 15
Massachusetts 434,558 12
Michigan 457,357 10
Minnesota 323,025 18
Mississippi 82,574 37
Missouri 235,566 22
Montana 32,167 48
Nebraska 106,989 34
Nevada 187,848 24
New Hampshire 64,098 40
New Jersey 511,607 8
New Mexico 71,926 39
New York 1,973,153 2
North Carolina 400,674 14
North Dakota 51,990 42
Ohio 571,667 6
Oklahoma 142,609 30
Oregon 234,071 23
Pennsylvania 531,997 7
Rhode Island 61,311 41
South Carolina 167,378 27
South Dakota 43,969 45
Tennessee 272,259 21
Texas 1,558,321 3
Utah 101,206 35
Vermont 22,232 50
Virginia 431,162 13
Washington 443,981 11
West Virginia 49,167 44
Wisconsin 316,267 19
Wyoming 16,172 51
Source: NMHC tabulations of U.S. Census, 2011 American Community Survey, 1-Year Estimates. An apartment is defined as a renter-occupied structure with 5 or more units. Updated October 2012.


Occupied Apartment Stock in 25 Largest Metropolitan Areas, 2011
Metro Area  Total Population   Occupied Apartments 
New York-Northern New Jersey-Long Island, NY-NJ-PA 19,015,900 2,072,129
Los Angeles-Long Beach-Santa Ana, CA 12,944,801 1,181,336
Chicago-Joliet-Naperville, IL-IN-WI 9,504,024 587,070
Dallas-Fort Worth-Arlington, TX 6,526,566 510,724
Houston-Sugar Land-Baytown, TX 6,086,895 461,586
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 5,992,414 295,423
Washington-Arlington-Alexandria, DC-VA-MD-WV 5,703,948 477,683
Miami-Fort Lauderdale-Pompano Beach, FL 5,670,125 416,531
Atlanta-Sandy Springs-Marietta, GA 5,365,726 336,228
Boston-Cambridge-Quincy, MA-NH 4,591,112 328,217
San Francisco-Oakland-Fremont, CA 4,391,037 380,967
Riverside-San Bernardino-Ontario, CA 4,304,997 166,273
Detroit-Warren-Livonia, MI 4,285,832 214,046
Phoenix-Mesa-Glendale, AZ 4,263,236 247,384
Seattle-Tacoma-Bellevue, WA 3,500,026 295,024
Minneapolis-St. Paul-Bloomington, MN-WI 3,318,486 237,561
San Diego-Carlsbad-San Marcos, CA 3,140,069 262,747
Tampa-St. Petersburg-Clearwater, FL 2,824,724 166,550
St. Louis, MO-IL 2,813,680 117,478
Baltimore-Towson, MD 2,729,110 171,830
Denver-Aurora-Broomfield, CO 2,600,594 224,853
Pittsburgh, PA 2,359,746 115,852
Portland-Vancouver-Hillsboro, OR-WA 2,262,702 166,273
San Antonio-New Braunfels, TX 2,196,132 133,795
Sacramento-Arden-Arcade-Roseville, CA 2,176,235 124,977
Source: NMHC tabulations of U.S. Census, 2011  American Community Survey, 1-Year Estimates. An apartment is defined as a renter-occupied structure with 5 or more units. Updated October 2012.

 

     Distribution of Apartments by Size of Property  

Number of Rental Units on Property

Number of Properties

% of Total Properties

Number of Apartments

% of Total Apartments

2 to 4

2,034,797 

79% 

4,954,299 

23%

5 to 9

243,995

9%

1,719,119

8%

10 to 24

170,004 

7%

2,304,498

11%

25 to 49

59,432 

2%

2,116,255 

10%

50 to 99

31,993 

1%

2,212,861

10%

100 or more 

38,780

2%

8,213,180

38%

2 or more

2,579,001 

100%

21,520,212

100%

5 or more

544,204 

 21%

16,565,913 

77%

Source: NMHC tabulations of 2001 Residential Finance Survey. Posted 4/2010

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