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According to the United States Bureau of Census, the concept of the daytime population refers to the number of people, including workers, who are present in an area during normal business hours, in contrast to the resident population present during the evening and nighttime hours. Places with the largest percent increases in daytime over nighttime populations occur tend to be those with small resident populations.
Knowing the expansion and contraction of city populations between day and night provides integral data for planning purposes such as transportation and disaster relief operations.
Below are the top five population percentage changes for cities from nine population categories:
|
|
Night
|
Day
|
Percentage Change
From Night to Day |
|
Over 1 million population: |
|
|
|
|
Houston, TX |
1,953,631 |
2,356,944 |
20.6 |
|
Dallas, TX |
1,188,580 |
1,416,135 |
19.1 |
|
San Diego, CA |
1,223,400 |
1,365,327 |
11.6 |
|
Phoenix, AZ |
1,321,045 |
1,417,165 |
7.3 |
|
New York, NY |
8,008,278 |
8,571,338 |
7.0 |
|
|
|
|
|
|
500,000 to 999,999 population: |
|
|
|
|
Washington, DC |
572,059 |
982,853 |
71.8 |
|
Boston, MA |
589,141 |
831,233 |
41.1 |
|
Seattle, WA |
563,374 |
723,417 |
28.4 |
|
Denver, CO |
554,636 |
710,122 |
28.0 |
|
Portland, OR |
529,121 |
650,864 |
23.0 |
|
|
|
|
|
|
250,000 to 499,999 population: |
|
|
|
|
Atlanta, GA |
416,474 |
676,431 |
62.4 |
|
Tampa, FL |
303,447 |
447,498 |
47.5 |
|
Pittsburgh, PA |
334,563 |
472,754 |
41.3 |
|
Miami, FL |
362,470 |
497,536 |
37.3 |
|
St. Louis, MO |
348,189 |
470,423 |
35.1 |
|
|
|
|
|
|
100,000 to 249,999 population: |
|
|
|
|
Irvine, CA |
143,072 |
248,709 |
73.8 |
|
Salt Lake, UT |
181,743 |
312,923 |
72.2 |
|
Orlando, FL |
185,951 |
317,452 |
70.7 |
|
Santa Clara, CA |
102,361 |
166,809 |
63.0 |
|
Columbia, SC |
116,278 |
184,497 |
58.7 |
|
|
|
|
|
|
|
|
|
|
|
50,000 to 99,999 population: |
|
|
|
|
Greenville, SC |
56,002 |
110,513 |
97.3 |
|
Palo Alto, CA |
58,598 |
106,305 |
81.4 |
|
Troy, MI |
80,959 |
144,970 |
79.1 |
|
Charleston, WV |
53,421 |
91,508 |
71.3 |
|
Southfield, MI |
78,296 |
133,805 |
70.9 |
|
|
|
|
|
|
25,000 to 49,999 population: |
|
|
|
|
Farmers Branch, TX |
27,508 |
64,955 |
136.1 |
|
Maryland Heights, MO |
25,756 |
55,194 |
114.3 |
|
Paramus borough, NJ |
25,737 |
52,645 |
104.5 |
|
Redmond, WA |
45,256 |
91,937 |
103.1 |
|
Beverly Hills, CA |
33,784 |
68,476 |
102.7 |
|
|
|
|
|
|
15,000 to 24,999 population: |
|
|
|
|
El Segundo, CA |
16,033 |
62,172 |
287.8 |
|
Santa Fe Springs, CA |
17,438 |
61,265 |
251.3 |
|
Doral CDP, FL |
20,438 |
63,802 |
212.2 |
|
Auburn Hills, MI |
19,837 |
57,757 |
191.2 |
|
Creve Coeur, MO |
16,500 |
46,947 |
184.5 |
|
|
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