Biggest Cities in Colorado by Decade on a Map

Can you name the 10 biggest cities in Colorado during every census since 1880 - with the help of a map for each year?
Source: Wikipedia
Quiz by CringeDragon
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Last updated: June 27, 2020
First submittedJune 26, 2020
Times taken50
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188018901900191019201930194019501960197019801990200020102019
 
1880
35,629
Denver
14,820
Leadville
4,226
Colorado Springs
3,217
Pueblo
3,069
Boulder
2,730
Golden
2,141
Buena Vista
1,657
Breckenridge
1,501
Cañon City
1,356
Fort Collins
 
 
1930
287,861
Denver
50,096
Pueblo
33,237
Colorado Springs
12,203
Greeley
11,732
Trinidad
11,489
Fort Collins
11,223
Boulder
10,247
Grand Junction
7,980
Englewood
7,195
Sterling
 
 
1980
492,686
Denver
215,105
Colorado Springs
158,588
Aurora
113,808
Lakewood
101,686
Pueblo
84,576
Arvada
76,685
Boulder
65,092
Fort Collins
53,006
Greeley
50,211
Westminster
1890
106,713
Denver
24,558
Pueblo
11,140
Colorado Springs
10,384
Leadville
5,108
Aspen
3,330
Boulder
2,825
Cañon City
2,716
Durango
2,586
Salida
2,395
Greeley
 
 
1940
322,412
Denver
52,162
Pueblo
36,789
Colorado Springs
15,995
Greeley
13,223
Trinidad
12,958
Boulder
12,479
Grand Junction
12,251
Fort Collins
9,680
Englewood
7,411
Sterling
 
 
1990
467,610
Denver
281,140
Colorado Springs
222,103
Aurora
126,481
Lakewood
98,640
Pueblo
89,235
Arvada
87,758
Fort Collins
83,312
Boulder
74,625
Westminster
60,536
Greeley
1900
133,859
Denver
28,157
Pueblo
21,085
Colorado Springs
12,455
Leadville
10,147
Cripple Creek
6,150
Boulder
5,523
Trinidad
3,775
Cañon City
3,728
Florence
3,722
Salida
 
 
1950
415,765
Denver
63,685
Pueblo
45,472
Colorado Springs
20,354
Greeley
19,999
Boulder
16,869
Englewood
14,937
Fort Collins
14,504
Grand Junction
12,204
Trinidad
11,421
Aurora
 
 
2000
554,636
Denver
360,890
Colorado Springs
276,393
Aurora
144,126
Lakewood
118,652
Fort Collins
102,153
Arvada
102,121
Pueblo
100,940
Westminster
94,673
Boulder
82,384
Thornton
1910
213,381
Denver
41,747
Pueblo
29,078
Colorado Springs
10,204
Trinidad
9,359
Boulder
8,210
Fort Collins
8,179
Greeley
7,757
Grand Junction
7,508
Leadville
6,206
Cripple Creek
 
 
1960
493,887
Denver
91,181
Pueblo
70,194
Colorado Springs
48,458
Aurora
37,718
Boulder
33,398
Englewood
26,314
Greeley
25,027
Fort Collins
21,619
Wheat Ridge
19,338
Lakewood
 
 
2010
600,158
Denver
416,427
Colorado Springs
325,078
Aurora
143,986
Fort Collins
142,980
Lakewood
118,772
Thornton
106,595
Pueblo
106,433
Arvada
106,114
Westminster
100,377
Centennial
1920
256,491
Denver
43,050
Pueblo
30,105
Colorado Springs
11,006
Boulder
10,958
Greeley
10,906
Trinidad
8,755
Fort Collins
8,665
Grand Junction
6,415
Sterling
5,848
Longmont
 
 
1970
514,678
Denver
135,517
Colorado Springs
97,774
Pueblo
92,743
Lakewood
74,974
Aurora
66,870
Boulder
49,844
Arvada
43,337
Fort Collins
33,695
Englewood
30,902
Greeley
 
 
2019
727,211
Denver
478,221
Colorado Springs
379,289
Aurora
170,243
Fort Collins
157,935
Lakewood
141,464
Thornton
121,272
Arvada
113,166
Westminster
112,361
Pueblo
110,937
Centennial
+3
Level 65
Jun 26, 2020
Great quiz! I didn't do well, gotta learn more of these.
+1
Level 70
Jun 26, 2020
Thanks! I'm currently working on ones for California and Canada too, which you'll probably find easier. :)
+1
Level 69
Jun 26, 2020
Greely seems to have migrated to the middle of Denver in 2010...
+1
Level 70
Jun 26, 2020
Dammit, Centennial has an extra class. I'll fix it when I can.
+1
Level 56
Jun 26, 2020
Can the colour of circles be changed a bit, as they looks like camouflaged to me.
+1
Level 50
Jun 26, 2020
ABSOLUTELY INCREDIBLE!!!!
+1
Level 33
Jun 26, 2020
Once your done with California and Canada ones can you please do ones for Michigan :) Incredible quiz by the way!
+1
Level 48
Jul 2, 2020
Great!!