US Counties Over 250,000:
1970 Ranked
|
Rank |
County |
State |
1999 |
|
|
1970 |
|
1 |
Los Angeles County |
California |
9,329,989 |
|
|
7,032,075 |
|
2 |
Cook County |
Illinois |
5,192,326 |
|
|
5,492,369 |
|
3 |
Wayne County |
Michigan |
2,106,495 |
|
|
2,666,751 |
|
4 |
Kings County |
New York |
2,268,297 |
|
|
2,602,012 |
|
5 |
Queens County |
New York |
2,000,642 |
|
|
1,986,473 |
|
6 |
Philadelphia County |
Pennsylvania |
1,417,601 |
|
|
1,948,609 |
|
7 |
Harris County |
Texas |
3,250,404 |
|
|
1,741,912 |
|
8 |
Cuyahoga County |
Ohio |
1,371,717 |
|
|
1,721,300 |
|
9 |
Allegheny County |
Pennsylvania |
1,256,806 |
|
|
1,605,016 |
|
10 |
New York County |
New York |
1,551,844 |
|
|
1,539,233 |
|
11 |
Bronx County |
New York |
1,194,099 |
|
|
1,471,701 |
|
12 |
Nassau County |
New York |
1,305,057 |
|
|
1,428,080 |
|
13 |
Orange County |
California |
2,760,948 |
|
|
1,420,386 |
|
14 |
Middlesex County |
Massachusetts |
1,426,606 |
|
|
1,397,268 |
|
15 |
San Diego County |
California |
2,820,844 |
|
|
1,357,854 |
|
16 |
Dallas County |
Texas |
2,062,100 |
|
|
1,327,321 |
|
17 |
Miami-Dade County |
Florida |
2,175,634 |
|
|
1,267,792 |
|
18 |
King County |
Washington |
1,664,846 |
|
|
1,156,633 |
|
19 |
Suffolk County |
New York |
1,383,847 |
|
|
1,124,950 |
|
20 |
Erie County |
New York |
925,957 |
|
|
1,113,491 |
|
21 |
Alameda County |
California |
1,415,582 |
|
|
1,073,184 |
|
22 |
Santa Clara County |
California |
1,647,419 |
|
|
1,064,714 |
|
23 |
Milwaukee County |
Wisconsin |
906,248 |
|
|
1,054,063 |
|
24 |
Maricopa County |
Arizona |
2,861,395 |
|
|
967,522 |
|
25 |
Hennepin County |
Minnesota |
1,064,419 |
|
|
960,080 |
|
26 |
St. Louis County |
Missouri |
996,181 |
|
|
951,353 |
|
27 |
Essex County |
New Jersey |
747,355 |
|
|
929,986 |
|
28 |
Hamilton County |
Ohio |
840,443 |
|
|
924,018 |
|
29 |
Oakland County |
Michigan |
1,179,978 |
|
|
907,871 |
|
30 |
Baltimore city |
Maryland |
632,681 |
|
|
905,759 |
|
31 |
Bergen County |
New Jersey |
857,052 |
|
|
898,012 |
|
32 |
Westchester County |
New York |
905,572 |
|
|
894,104 |
|
33 |
Franklin County |
Ohio |
1,027,821 |
|
|
833,249 |
|
34 |
Bexar County |
Texas |
1,372,867 |
|
|
830,460 |
|
35 |
Hartford County |
Connecticut |
829,671 |
|
|
816,737 |
|
36 |
Fairfield County |
Connecticut |
841,334 |
|
|
792,814 |
|
37 |
Marion County |
Indiana |
810,946 |
|
|
792,299 |
|
38 |
Washington |
DC |
519,000 |
|
|
756,510 |
|
39 |
New Haven County |
Connecticut |
793,208 |
|
|
744,948 |
|
40 |
Suffolk County |
Massachusetts |
641,695 |
|
|
735,190 |
|
41 |
Shelby County |
Tennessee |
873,000 |
|
|
722,014 |
|
42 |
Tarrant County |
Texas |
1,382,442 |
|
|
716,317 |
|
43 |
San Francisco County |
California |
746,777 |
|
|
715,674 |
|
44 |
Monroe County |
New York |
712,419 |
|
|
711,917 |
|
45 |
Jefferson County |
Kentucky |
672,900 |
|
|
695,055 |
|
46 |
San Bernardi County |
California |
1,669,934 |
|
|
684,072 |
|
47 |
Prince George's County |
Maryland |
781,781 |
|
|
660,567 |
|
48 |
Jackson County |
Missouri |
654,484 |
|
|
654,558 |
|
49 |
Jefferson County |
Alabama |
657,422 |
|
|
644,991 |
|
50 |
Worcester County |
Massachusetts |
738,629 |
|
|
637,969 |
|
51 |
Essex County |
Massachusetts |
704,407 |
|
|
637,887 |
|
52 |
Sacramento County |
California |
1,184,586 |
|
|
631,498 |
|
53 |
Honolulu County |
Hawaii |
864,571 |
|
|
629,176 |
|
54 |
Macomb County |
Michigan |
792,082 |
|
|
625,309 |
|
55 |
Montgomery County |
Pennsylvania |
724,087 |
|
|
623,799 |
|
56 |
St. Louis city |
Missouri |
333,960 |
|
|
622,236 |
|
57 |
Baltimore County |
Maryland |
723,914 |
|
|
621,077 |
|
58 |
Broward County |
Florida |
1,535,468 |
|
|
620,100 |
|
59 |
Hudson County |
New Jersey |
552,819 |
|
|
609,266 |
|
60 |
Fulton County |
Georgia |
744,827 |
|
|
607,592 |
|
61 |
Montgomery County |
Ohio |
565,866 |
|
|
606,148 |
|
62 |
Norfolk County |
Massachusetts |
643,580 |
|
|
605,051 |
|
63 |
Delaware County |
Pennsylvania |
541,502 |
|
|
600,035 |
|
64 |
Orleans Parish |
Louisiana |
460,913 |
|
|
593,471 |
|
65 |
Middlesex County |
New Jersey |
717,949 |
|
|
583,813 |
|
66 |
Providence |
Rhode Island |
574,108 |
|
|
580,261 |
|
67 |
Contra Costa County |
California |
933,141 |
|
|
558,389 |
|
68 |
Multnomah County |
Oregon |
633,224 |
|
|
556,667 |
|
69 |
San Mateo County |
California |
702,102 |
|
|
556,234 |
|
70 |
Summit County |
Ohio |
537,856 |
|
|
553,371 |
|
71 |
Lake County |
Indiana |
480,619 |
|
|
546,253 |
|
72 |
Union County |
New Jersey |
498,759 |
|
|
543,116 |
|
73 |
Duval County |
Florida |
738,483 |
|
|
528,865 |
|
74 |
Oklahoma County |
Oklahoma |
636,539 |
|
|
526,805 |
|
75 |
Montgomery County |
Maryland |
852,174 |
|
|
522,809 |
|
76 |
Pinellas County |
Florida |
878,499 |
|
|
522,329 |
|
77 |
Denver County |
Colorado |
499,775 |
|
|
514,678 |
|
78 |
DuPage County |
Illinois |
892,547 |
|
|
491,882 |
|
79 |
Hillsborough County |
Florida |
940,484 |
|
|
490,265 |
|
80 |
Lucas County |
Ohio |
446,482 |
|
|
484,370 |
|
81 |
Ramsey County |
Minnesota |
486,254 |
|
|
476,255 |
|
82 |
Onondaga County |
New York |
456,215 |
|
|
472,746 |
|
83 |
Passaic County |
New Jersey |
485,064 |
|
|
460,782 |
|
84 |
Monmouth County |
New Jersey |
611,444 |
|
|
459,379 |
|
85 |
Riverside County |
California |
1,530,653 |
|
|
459,074 |
|
86 |
Hampden County |
Massachusetts |
438,279 |
|
|
459,050 |
|
87 |
Salt Lake County |
Utah |
850,243 |
|
|
458,607 |
|
88 |
Camden County |
New Jersey |
503,093 |
|
|
456,291 |
|
89 |
Fairfax County |
Virginia |
945,717 |
|
|
455,021 |
|
90 |
Davidson County |
Tennessee |
530,050 |
|
|
448,003 |
|
91 |
Genesee County |
Michigan |
437,349 |
|
|
444,341 |
|
92 |
Bristol County |
Massachusetts |
520,258 |
|
|
444,301 |
|
93 |
DeKalb County |
Georgia |
596,853 |
|
|
415,387 |
|
94 |
Bucks County |
Pennsylvania |
594,047 |
|
|
415,056 |
|
95 |
Fresno County |
California |
763,069 |
|
|
413,053 |
|
96 |
Kent County |
Michigan |
550,388 |
|
|
411,044 |
|
97 |
Pierce County |
Washington |
688,807 |
|
|
411,027 |
|
98 |
Tulsa County |
Oklahoma |
548,296 |
|
|
401,663 |
|
99 |
Douglas County |
Nebraska |
446,277 |
|
|
389,455 |
|
100 |
New Castle County |
Connecticut |
487,182 |
|
|
385,856 |
|
101 |
Morris County |
New Jersey |
463,545 |
|
|
383,454 |
|
102 |
Lake County |
Illinois |
617,975 |
|
|
382,638 |
|
103 |
Westmoreland County |
Pennsylvania |
370,658 |
|
|
376,935 |
|
104 |
Ventura County |
California |
745,063 |
|
|
376,430 |
|
105 |
Stark County |
Ohio |
373,174 |
|
|
372,210 |
|
106 |
El Paso County |
Texas |
701,908 |
|
|
359,291 |
|
107 |
Mecklenburg County |
North Carolina |
648,400 |
|
|
354,656 |
|
108 |
Pima County |
Arizona |
803,618 |
|
|
351,667 |
|
109 |
Sedgwick County |
Kansas |
451,684 |
|
|
350,694 |
|
110 |
Palm Beach County |
Florida |
1,049,420 |
|
|
348,753 |
|
111 |
Orange County |
Florida |
817,206 |
|
|
344,311 |
|
112 |
Luzerne County |
Pennsylvania |
312,000 |
|
|
342,301 |
|
113 |
Jefferson Parish |
Louisiana |
447,790 |
|
|
337,568 |
|
114 |
Plymouth County |
Massachusetts |
473,026 |
|
|
333,314 |
|
115 |
Kern County |
California |
642,495 |
|
|
329,162 |
|
116 |
Burlington County |
New Jersey |
424,510 |
|
|
323,132 |
|
117 |
Lancaster County |
Pennsylvania |
460,035 |
|
|
319,693 |
|
118 |
Mobile County |
Alabama |
399,652 |
|
|
317,308 |
|
119 |
Bernalillo County |
New Mexico |
523,472 |
|
|
315,774 |
|
120 |
Norfolk city |
Virginia |
225,875 |
|
|
307,951 |
|
121 |
Mercer County |
New Jersey |
333,861 |
|
|
303,968 |
|
122 |
Mahoning County |
Ohio |
252,597 |
|
|
303,424 |
|
123 |
Anne Arundel County |
Maryland |
480,483 |
|
|
297,539 |
|
124 |
Berks County |
Pennsylvania |
358,211 |
|
|
296,382 |
|
125 |
Travis County |
Texas |
727,022 |
|
|
295,516 |
|
126 |
Richmond County |
New York |
413,280 |
|
|
295,443 |
|
127 |
Dane County |
Wisconsin |
428,563 |
|
|
290,272 |
|
128 |
San Joaquin County |
California |
563,183 |
|
|
290,208 |
|
129 |
Guilford County |
North Carolina |
391,380 |
|
|
288,590 |
|
130 |
Spokane County |
Washington |
409,736 |
|
|
287,487 |
|
131 |
Pulaski County |
Arkansas |
349,236 |
|
|
287,189 |
|
132 |
Albany County |
New York |
292,006 |
|
|
286,742 |
|
133 |
Polk County |
Iowa |
364,672 |
|
|
286,101 |
|
134 |
St. Clair County |
Illinois |
260,050 |
|
|
285,176 |
|
135 |
East Baton Rouge Parish |
Louisiana |
393,294 |
|
|
285,167 |
|
136 |
Allen County |
Indiana |
316,471 |
|
|
280,455 |
|
137 |
Chester County |
Pennsylvania |
430,001 |
|
|
278,311 |
|
138 |
Knox County |
Tennessee |
376,039 |
|
|
276,293 |
|
139 |
Clark County |
Nevada |
1,217,155 |
|
|
273,288 |
|
140 |
Oneida County |
New York |
229,714 |
|
|
273,037 |
|
141 |
York County |
Pennsylvania |
376,586 |
|
|
272,603 |
|
142 |
Snohomish County |
Washington |
596,598 |
|
|
265,236 |
|
143 |
Santa Barbara County |
California |
391,071 |
|
|
264,324 |
|
144 |
Erie County |
Pennsylvania |
276,993 |
|
|
263,654 |
|
145 |
Ingham County |
Michigan |
285,123 |
|
|
261,039 |
|
146 |
Lorain County |
Ohio |
282,100 |
|
|
256,843 |
|
147 |
Lehigh County |
Pennsylvania |
299,855 |
|
|
255,304 |
|
148 |
Hamilton County |
Tennessee |
294,720 |
|
|
254,236 |
|
149 |
Kane County |
Illinois |
402,622 |
|
|
251,005 |
|
150 |
Madison County |
Illinois |
259,434 |
|
|
250,934 |
|
151 |
Monterey County |
California |
371,756 |
|
|
250,071 |
(c) 2000 www.demographia.com --- Wendell Cox Consultancy --- Permission granted to use with attribution.
Demographia is "pro-choice" with respect to urban development.
People should have the freedom to live and work
where they like.
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