Characteristics of Rental Apartment Units, 2017
  All Apartment Units
Built 2000-2017 Built prior to 2000
Total 20,830,586 4,783,941 16,046,645
 Number of Bedrooms
Zero 809,256 125,826 683,430
One 9,436,107 1,902,146 7,533,961
Two  8,778,101 2,197,198 6,580,903
Three or more 1,807,122 558,771 1,248,351
 Number of Baths
Zero 102,674 5795 96,880
One 14,582,439 2,522,650 12,059,789
One and a half 1,399,706 238,744 1,160,962
Two or more 4,745,767 2,016,753 2,729,014
 Amenities
Central air conditioning 12,640,598 3,975,952 8,664,646
Dishwasher 12,871,913 4,094,151 8,777,763
Washing machine 8,668,984 3,492,034 5,176,951
Dryer 8,280,016 3,459,732 4,820,285
 Apartment Units in Structure
5 to 9 5,837,648 927,128 4,910,520
10 to 19 5,513,749 1,264,690 4,249,059
20 to 49 4,214,445 1,137,592 3,076,852
50 or more 5,264,746 1,454,531 3,810,214
 Structure Height
One story 1,414,359 271,800 1,142,558
Two stories 7,511,101 1,188,078 6,323,023
Three stories 6,431,174 1,882,909 4,548,265
Four or more stories 5,473,953 1,441,154 4,032,799
Source: NMHC tabulations of 2017 American Housing Survey microdata. Updated 10/2018

 

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, 2017
Metro Area Total Population Occupied Apartments
New York-Newark-Jersey City, NY-NJ-PA 19,911,669 5,102,464
Los Angeles-Long Beach-Anaheim, CA 13,136,040 3,108,765
Chicago-Naperville-Elgin, IL-IN-WI 9,374,165 1,216,535
Dallas-Fort Worth-Arlington, TX 7,315,023 1,291,330
Houston-The Woodlands-Sugar Land, TX 6,812,110 1,217,461
Washington-Arlington-Alexandria, DC-VA-MD-WV 6,107,869 1,168,483
Miami-Fort Lauderdale-West Palm Beach, FL 6,073,312 1,141,986
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 5,937,183 574,106
Atlanta-Sandy Springs-Roswell, GA 5,794,240 796,390
Boston-Cambridge-Newton, MA-NH 4,669,467 646,101
Phoenix-Mesa-Scottsdale, AZ 4,658,143 564,043
San Francisco-Oakland-Hayward, CA 4,645,652 869,527
Riverside-San Bernardino-Ontario, CA 4,483,656 433,370
Detroit-Warren-Dearborn, MI 4,263,813 390,150
Seattle-Tacoma-Bellevue, WA 3,801,423 679,662
Minneapolis-St. Paul-Bloomington, MN-WI 3,538,648 466,064
San Diego-Carlsbad, CA 3,248,305 668,956
Tampa-St. Petersburg-Clearwater, FL 3,041,990 378,708
Denver-Aurora-Lakewood, CO 2,852,636 469,595
St. Louis, MO-IL 2,750,037 212,395
Baltimore-Columbia-Towson, MD 2,740,095 330,284
Charlotte-Concord-Gastonia, NC-SC 2,492,015 287,774
San Antonio-New Braunfels, TX 2,434,680 304,505
Portland-Vancouver-Hillsboro, OR-WA 2,411,940 345,179
Pittsburgh, PA 2,269,104 177,004
Source: 2017 American Community Survey, 1-Year Estimates, US Census Bureau. Updated 10/2018.

 

Distribution of Apartments by Size of Property 
Number of Rental Units on Property Number of Properties (thousands)
% of Total Properties Number of Apartments (thousands)
% 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.


Staff Resource