County
|
Projection
July, 2000 |
Projection
July, 2005 |
Projection
July, 2010 |
Projection
July, 2015 |
Projection
July, 2020 |
Projection
July, 2025 |
Projection
July, 2030 |
Average
Annual Percent Change
|
|||||
00-05
|
05-10
|
10-15
|
15-20
|
20-25
|
25-30
|
||||||||
Adams
|
350,642
|
396,328
|
449,200
|
507,322
|
567,870
|
629,866
|
693,540
|
2.5
|
2.5
|
2.5
|
2.3
|
2.1
|
1.9
|
Alamosa
|
15,139
|
16,040
|
17,255
|
18,601
|
20,015
|
21,441
|
22,901
|
1.2
|
1.5
|
1.5
|
1.5
|
1.4
|
1.3
|
Arapahoe
|
491,143
|
526,537
|
560,698
|
592,442
|
621,884
|
645,827
|
666,262
|
1.4
|
1.3
|
1.1
|
1.0
|
0.8
|
0.6
|
Archuleta
|
10,028
|
12,100
|
14,449
|
16,934
|
19,813
|
23,140
|
27,048
|
3.8
|
3.6
|
3.2
|
3.2
|
3.2
|
3.2
|
Baca
|
4,516
|
4,234
|
4,085
|
3,954
|
3,849
|
3,775
|
3,709
|
-1.3
|
-0.7
|
-0.6
|
-0.5
|
-0.4
|
-0.4
|
Bent
|
5,971
|
6,158
|
6,308
|
6,492
|
6,617
|
6,727
|
6,750
|
0.6
|
0.5
|
0.6
|
0.4
|
0.3
|
0.1
|
Boulder
|
271,051
|
288,648
|
308,276
|
325,990
|
344,645
|
362,643
|
377,396
|
1.3
|
1.3
|
1.1
|
1.1
|
1.0
|
0.8
|
Broomfield
|
39,466
|
43,935
|
49,996
|
56,251
|
61,643
|
66,973
|
71,984
|
2.2
|
2.6
|
2.4
|
1.8
|
1.7
|
1.5
|
Chaffee
|
16,298
|
17,418
|
19,348
|
21,386
|
23,523
|
25,632
|
27,579
|
1.3
|
2.1
|
2.0
|
1.9
|
1.7
|
1.5
|
Cheyenne
|
2,230
|
2,144
|
2,064
|
2,010
|
1,969
|
1,925
|
1,881
|
-0.8
|
-0.8
|
-0.5
|
-0.4
|
-0.5
|
-0.5
|
Clear
Creek
|
9,391
|
9,701
|
10,542
|
11,607
|
12,689
|
13,746
|
14,735
|
0.7
|
1.7
|
1.9
|
1.8
|
1.6
|
1.4
|
Conejos
|
8,400
|
8,498
|
8,804
|
9,185
|
9,485
|
9,766
|
9,990
|
0.2
|
0.7
|
0.9
|
0.6
|
0.6
|
0.5
|
Costilla
|
3,675
|
3,841
|
4,011
|
4,187
|
4,339
|
4,476
|
4,606
|
0.9
|
0.9
|
0.9
|
0.7
|
0.6
|
0.6
|
Crowley
|
5,513
|
5,755
|
5,711
|
5,699
|
5,693
|
5,716
|
5,687
|
0.9
|
-0.2
|
0.0
|
0.0
|
0.1
|
-0.1
|
Custer
|
3,540
|
4,062
|
4,797
|
5,638
|
6,530
|
7,409
|
8,239
|
2.8
|
3.4
|
3.3
|
3.0
|
2.6
|
2.1
|
Delta
|
28,009
|
30,830
|
34,405
|
38,273
|
42,325
|
46,400
|
50,215
|
1.9
|
2.2
|
2.2
|
2.0
|
1.9
|
1.6
|
Denver
|
555,782
|
574,317
|
606,161
|
639,473
|
674,105
|
716,760
|
753,720
|
0.7
|
1.1
|
1.1
|
1.1
|
1.2
|
1.0
|
Dolores
|
1,844
|
1,966
|
2,127
|
2,272
|
2,431
|
2,597
|
2,760
|
1.3
|
1.6
|
1.3
|
1.4
|
1.3
|
1.2
|
Douglas
|
180,690
|
224,960
|
274,921
|
327,491
|
364,876
|
402,658
|
439,585
|
4.5
|
4.1
|
3.6
|
2.2
|
2.0
|
1.8
|
Eagle
|
43,354
|
49,601
|
56,816
|
64,436
|
72,157
|
79,673
|
86,842
|
2.7
|
2.8
|
2.5
|
2.3
|
2.0
|
1.7
|
Elbert
|
20,188
|
23,810
|
28,333
|
34,735
|
42,589
|
51,275
|
58,759
|
3.4
|
3.5
|
4.2
|
4.2
|
3.8
|
2.8
|
El
Paso
|
520,572
|
561,849
|
606,147
|
652,992
|
701,193
|
750,806
|
801,721
|
1.5
|
1.5
|
1.5
|
1.4
|
1.4
|
1.3
|
Fremont
|
46,439
|
48,806
|
52,847
|
57,759
|
63,301
|
68,904
|
73,797
|
1.0
|
1.6
|
1.8
|
1.8
|
1.7
|
1.4
|
Garfield
|
44,267
|
50,900
|
58,558
|
67,043
|
76,705
|
86,922
|
96,969
|
2.8
|
2.8
|
2.7
|
2.7
|
2.5
|
2.2
|
Gilpin
|
4,775
|
4,940
|
5,369
|
5,874
|
6,406
|
6,941
|
7,458
|
0.7
|
1.7
|
1.8
|
1.7
|
1.6
|
1.4
|
Grand
|
12,884
|
14,264
|
16,740
|
19,566
|
22,532
|
25,678
|
28,834
|
2.1
|
3.3
|
3.2
|
2.9
|
2.6
|
2.3
|
Gunnison
|
13,967
|
14,100
|
14,968
|
16,166
|
17,457
|
18,655
|
19,682
|
0.2
|
1.2
|
1.6
|
1.5
|
1.3
|
1.1
|
Hinsdale
|
791
|
820
|
883
|
974
|
1,067
|
1,148
|
1,250
|
0.7
|
1.5
|
2.0
|
1.8
|
1.5
|
1.7
|
Huerfano
|
7,861
|
8,461
|
9,369
|
10,188
|
11,008
|
11,794
|
12,228
|
1.5
|
2.1
|
1.7
|
1.6
|
1.4
|
0.7
|
Jackson
|
1,586
|
1,632
|
1,720
|
1,778
|
1,866
|
1,933
|
1,986
|
0.6
|
1.1
|
0.7
|
1.0
|
0.7
|
0.5
|
Jefferson
|
526,269
|
543,597
|
576,784
|
612,129
|
647,332
|
680,573
|
709,958
|
0.7
|
1.2
|
1.2
|
1.1
|
1.0
|
0.8
|
Kiowa
|
1,617
|
1,529
|
1,476
|
1,438
|
1,407
|
1,385
|
1,355
|
-1.1
|
-0.7
|
-0.5
|
-0.4
|
-0.3
|
-0.4
|
Kit
Carson
|
8,012
|
8,127
|
8,387
|
8,701
|
8,980
|
9,208
|
9,417
|
0.3
|
0.6
|
0.7
|
0.6
|
0.5
|
0.4
|
Lake
|
7,908
|
8,034
|
9,554
|
11,650
|
13,820
|
16,207
|
18,458
|
0.3
|
3.5
|
4.0
|
3.5
|
3.2
|
2.6
|
La
Plata
|
44,566
|
48,259
|
54,881
|
61,696
|
68,385
|
74,726
|
80,598
|
1.6
|
2.6
|
2.4
|
2.1
|
1.8
|
1.5
|
Larimer
|
253,137
|
270,437
|
295,084
|
329,869
|
366,115
|
404,241
|
441,904
|
1.3
|
1.8
|
2.3
|
2.1
|
2.0
|
1.8
|
Las
Animas
|
15,276
|
16,633
|
18,216
|
19,897
|
21,593
|
23,107
|
24,396
|
1.7
|
1.8
|
1.8
|
1.6
|
1.4
|
1.1
|
Lincoln
|
6,170
|
6,116
|
6,352
|
6,596
|
6,829
|
7,098
|
7,324
|
-0.2
|
0.8
|
0.8
|
0.7
|
0.8
|
0.6
|
Logan
|
20,862
|
22,393
|
24,246
|
26,634
|
28,979
|
31,227
|
32,895
|
1.4
|
1.6
|
1.9
|
1.7
|
1.5
|
1.0
|
Mesa
|
117,656
|
129,390
|
143,591
|
161,310
|
181,367
|
202,654
|
224,820
|
1.9
|
2.1
|
2.4
|
2.4
|
2.2
|
2.1
|
Mineral
|
833
|
911
|
989
|
1,039
|
1,111
|
1,151
|
1,144
|
1.8
|
1.7
|
1.0
|
1.3
|
0.7
|
-0.1
|
Moffat
|
13,185
|
13,750
|
14,526
|
15,378
|
16,324
|
17,268
|
18,186
|
0.8
|
1.1
|
1.1
|
1.2
|
1.1
|
1.0
|
Montezuma
|
23,864
|
25,546
|
28,182
|
31,178
|
34,273
|
37,319
|
40,157
|
1.4
|
2.0
|
2.0
|
1.9
|
1.7
|
1.5
|
Montrose
|
33,666
|
38,117
|
43,371
|
49,482
|
56,255
|
62,896
|
68,304
|
2.5
|
2.6
|
2.7
|
2.6
|
2.3
|
1.7
|
Morgan
|
27,261
|
29,027
|
32,384
|
36,037
|
39,892
|
43,901
|
47,988
|
1.3
|
2.2
|
2.2
|
2.1
|
1.9
|
1.8
|
Otero
|
20,244
|
19,622
|
20,151
|
21,030
|
21,891
|
22,422
|
22,724
|
-0.6
|
0.5
|
0.9
|
0.8
|
0.5
|
0.3
|
Ouray
|
3,771
|
4,180
|
4,648
|
5,101
|
5,601
|
6,026
|
6,392
|
2.1
|
2.1
|
1.9
|
1.9
|
1.5
|
1.2
|
Park
|
14,703
|
17,404
|
25,289
|
37,129
|
50,932
|
67,588
|
85,557
|
3.4
|
7.8
|
8.0
|
6.5
|
5.8
|
4.8
|
Phillips
|
4,486
|
4,602
|
4,720
|
4,858
|
4,994
|
5,125
|
5,167
|
0.5
|
0.5
|
0.6
|
0.6
|
0.5
|
0.2
|
Pitkin
|
15,913
|
16,822
|
18,906
|
20,923
|
23,083
|
25,204
|
27,152
|
1.1
|
2.4
|
2.0
|
2.0
|
1.8
|
1.5
|
Prowers
|
14,434
|
14,292
|
14,830
|
15,389
|
15,900
|
16,419
|
16,890
|
-0.2
|
0.7
|
0.7
|
0.7
|
0.6
|
0.6
|
Pueblo
|
142,054
|
153,986
|
166,522
|
180,978
|
196,110
|
211,369
|
226,311
|
1.6
|
1.6
|
1.7
|
1.6
|
1.5
|
1.4
|
Rio
Blanco
|
5,986
|
6,078
|
6,548
|
7,117
|
7,607
|
8,025
|
8,382
|
0.3
|
1.5
|
1.7
|
1.3
|
1.1
|
0.9
|
Rio
Grande
|
12,434
|
12,767
|
13,359
|
14,071
|
14,691
|
15,189
|
15,532
|
0.5
|
0.9
|
1.0
|
0.9
|
0.7
|
0.4
|
Routt
|
20,102
|
21,521
|
24,390
|
27,151
|
30,039
|
32,560
|
34,842
|
1.4
|
2.5
|
2.2
|
2.0
|
1.6
|
1.4
|
Saguache
|
5,954
|
6,562
|
7,070
|
7,542
|
7,955
|
8,292
|
8,575
|
2.0
|
1.5
|
1.3
|
1.1
|
0.8
|
0.7
|
San
Juan
|
558
|
576
|
600
|
623
|
645
|
646
|
662
|
0.6
|
0.8
|
0.8
|
0.7
|
0.0
|
0.5
|
San
Miguel
|
6,666
|
7,775
|
8,919
|
10,106
|
11,291
|
12,479
|
13,586
|
3.1
|
2.8
|
2.5
|
2.2
|
2.0
|
1.7
|
Sedgwick
|
2,742
|
2,777
|
2,873
|
2,977
|
3,084
|
3,182
|
3,247
|
0.3
|
0.7
|
0.7
|
0.7
|
0.6
|
0.4
|
Summit
|
25,725
|
28,247
|
32,427
|
36,722
|
41,372
|
46,040
|
50,421
|
1.9
|
2.8
|
2.5
|
2.4
|
2.2
|
1.8
|
Teller
|
21,145
|
22,884
|
25,387
|
28,252
|
31,038
|
33,557
|
35,840
|
1.6
|
2.1
|
2.2
|
1.9
|
1.6
|
1.3
|
Washington
|
4,920
|
4,898
|
4,929
|
4,989
|
5,056
|
5,127
|
5,176
|
-0.1
|
0.1
|
0.2
|
0.3
|
0.3
|
0.2
|
Weld
|
183,557
|
217,728
|
253,049
|
297,178
|
347,839
|
407,242
|
473,275
|
3.5
|
3.1
|
3.3
|
3.2
|
3.2
|
3.1
|
Yuma
|
9,853
|
10,016
|
10,380
|
10,757
|
11,120
|
11,423
|
11,674
|
0.3
|
0.7
|
0.7
|
0.7
|
0.5
|
0.4
|
Colorado
|
4,335,540
|
4,691,258
|
5,137,928
|
5,632,645
|
6,133,491
|
6,652,082
|
7,156,422
|
1.6
|
1.8
|
1.9
|
1.7
|
1.6
|
1.5
|
Source: Colorado
Department of Local Affairs, Demography Section
Note: Colorado Department of Local Affairs projections will not match U.S. Census
Bureau projections.