Characteristics of Rental Apartment Units, 2015
  All Apartment Units Built 2000-2015 Built prior to 2000
Total 19,506,190 3,911,741 15,594,449
  Number of Bedrooms
Zero 747,327 96,900 650,427
One 8,756,063 1,550,009 7,206,054
Two  8,343,854 1,788,778 6,555,076
Three or more 1,658,947 476,054 1,182,893
 Number of Baths
Zero 25,638 991 24,647
One 13,806,511 2,090,175 11,716,336
One and a half 1,390,749 186,748 1,204,001
Two or more 4,283,293 1,633,828 2,649,465
 Amenities
Central air conditioning 11,706,791 3,281,581 8,425,210
Dishwasher 11,496,290 3,289,903 8,206,387
Washing machine 7,415,948 2,729,123 4,686,825
Dryer 7,077,633 2,700,959 4,376,674
 Apartment Units in Structure
5 to 9 5,412,844 793,921 4,618,922
10 to 19 4,981,466 970,499 4,010,967
20 to 49 4,028,314 879,346 3,148,968
50 or more 5,083,567 1,267,975 3,815,592
 Structure Height
One story 1,291,151 223,510 1,067,641
Two stories 7,043,771 987,877 6,055,894
Three stories 6,122,135 1,573,392 4,548,744
Four or more stories 5,049,134 1,126,963 3,922,171
Source: NMHC tabulations of 2015 American Housing Survey microdata. Updated 6/2017

 
When Were Apartments Built?
Year All Apartments 5 to 9 Units 10 to 19 Units 20 to 49 Units 50 or More Units
1939 or Earlier 2,137,184 622,416 387,187 552,036 575,545
1940 to 1959 1,973,336 530,092 436,145 438,883 568,216
1960 to 1979 6,157,263 1,740,153 1,625,205 1,150,852 1,641,053
1980 to 1999 6,231,893 1,778,971 1,807,927 1,127,950 1,517,045
2000 or Later 4,085,038 788,652 937,246 803,601 1,555,539
Source: NMHC tabulations of 2016 American Community Survey microdata.Updated 10/2017

 

State Distribution of the Apartment Stock, 2016

State

 Total

Rank

Alabama

225,972

26

Alaska

27,590

50

Arizona

406,915

16

Arkansas

130,704

34

California

2,904,392

1

Colorado

390,438

17

Connecticut

226,033

25

Delaware

50,835

47

District of Columbia

133,051

33

Florida

1,341,715

4

Georgia

577,531

9

Hawaii

101,692

38

Idaho

57,610

45

Illinois

827,949

5

Indiana

331,924

21

Iowa

160,723

31

Kansas

146,463

32

Kentucky

190,916

28

Louisiana

188,247

29

Maine

58,561

44

Maryland

435,337

15

Massachusetts

485,241

14

Michigan

513,921

12

Minnesota

379,268

18

Mississippi

102,117

37

Missouri

285,659

22

Montana

40,590

48

Nebraska

110,724

36

Nevada

233,088

24

New Hampshire

73,539

42

New Jersey

578,460

8

New Mexico

81,457

39

New York

2,159,968

2

North Carolina

522,324

11

North Dakota

76,579

41

Ohio

658,331

6

Oklahoma

182,559

30

Oregon

256,237

23

Pennsylvania

595,616

7

Rhode Island

77,357

40

South Carolina

217,896

27

South Dakota

52,212

46

Tennessee

338,670

20

Texas

1,999,795

3

Utah

125,560

35

Vermont

27,706

49

Virginia

512,138

13

Washington

538,807

10

West Virginia

59,921

43

Wisconsin

365,224

19

Wyoming

19,152

51

Source: NMHC tabulations of 2016 American Community Survey microdata. An apartment is defined as a unit occupied by renters, a vacant unit, or a rented unit not yet occupied, all located in a structure with 5 or more units. Updated 10/2017.

 

Occupied Apartment Stock in 25 Largest Metropolitan Areas, 2016 
Metro Area Total Population Occupied Apartments
New York-Newark-Jersey City, NY-NJ-PA 20,153,634 2,189,844
Los Angeles-Long Beach-Anaheim, CA 13,310,447 1,278,981
Chicago-Naperville-Elgin, IL-IN-WI 9,512,968 647,269
Dallas-Fort Worth-Arlington, TX 7,232,599 590,936
Houston-The Woodlands-Sugar Land, TX 6,772,470 547,518
Washington-Arlington-Alexandria, DC-VA-MD-WV 6,133,552 533,993
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 6,070,500 314,732
Miami-Fort Lauderdale-West Palm Beach, FL 6,066,387 487,574
Atlanta-Sandy Springs-Roswell, GA 5,790,210 380,544
Boston-Cambridge-Newton, MA-NH 4,794,447 349,833
San Francisco-Oakland-Hayward, CA 4,679,166 416,148
Phoenix-Mesa-Scottsdale, AZ 4,661,537 277,326
Riverside-San Bernardino-Ontario, CA 4,527,837 166,880
Detroit-Warren-Dearborn, MI 4,297,617 232,997
Seattle-Tacoma-Bellevue, WA 3,798,902 344,496
Minneapolis-St. Paul-Bloomington, MN-WI 3,551,036 265,844
San Diego-Carlsbad, CA 3,317,749 276,048
Tampa-St. Petersburg-Clearwater, FL 3,032,171 190,502
Denver-Aurora-Lakewood, CO 2,853,077 237,634
St. Louis, MO-IL 2,807,954 131,386
Baltimore-Columbia-Towson, MD 2,798,886 177,314
Charlotte-Concord-Gastonia, NC-SC 2,474,314 136,744
Portland-Vancouver-Hillsboro, OR-WA 2,425,325 174,709
San Antonio-New Braunfels, TX 2,429,609 142,002
Pittsburgh, PA 2,342,299 113,381
Source: 2016 American Community Survey, 1-Year Estimates, US Census Bureau. Updated 10/ 2017.

 


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 2,551 79% 6,523 23%
5 to 24 478 15% 4,938 17%
25 to 49 116 4% 4,081 14%
50 to 99 47 1% 3,249 11%
100 or more
43 1% 9,469 34%
2 or more  3,235 100% 28,260 100%
5 or more 684 21% 21,737 77%

Source: U.S. Department of Housing and Urban Development and U.S. Census Bureau, Rental Housing Finance Survey. Updated 8/2018.