Population density: zip codes ranked in Colorado

Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense. These lists rank zip codes in Colorado with at least 1,000 residents, using the Census Bureau's American Community Survey 5-year estimates.

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Most densely populated zip codes

#	Zip	City	Density	Population
1	80203	Denver	20,532/sq mi	22,441
2	80202	Denver	16,080/sq mi	18,589
3	80310	Boulder	14,114/sq mi	7,692
4	80218	Denver	12,097/sq mi	19,149
5	80247	Denver	10,216/sq mi	29,760
6	80206	Denver	9,840/sq mi	24,383
7	80211	Denver	8,458/sq mi	38,177
8	80010	Aurora	8,258/sq mi	42,439
9	80219	Denver	8,064/sq mi	59,523
10	80209	Denver	7,869/sq mi	27,564
11	80246	Denver	7,838/sq mi	13,097
12	80205	Denver	7,456/sq mi	34,571
13	80231	Denver	7,350/sq mi	35,883
14	80260	Denver	7,281/sq mi	34,677
15	80220	Denver	7,195/sq mi	37,203
16	80012	Aurora	6,717/sq mi	51,052
17	80237	Denver	6,453/sq mi	23,384
18	80204	Denver	6,444/sq mi	35,318
19	80210	Denver	6,424/sq mi	39,113
20	80222	Denver	6,232/sq mi	23,838
21	80232	Denver	5,935/sq mi	23,050
22	80224	Denver	5,902/sq mi	19,352
23	80030	Westminster	5,848/sq mi	15,427
24	80212	Denver	5,823/sq mi	20,746
25	80214	Denver	5,788/sq mi	27,022
26	80014	Aurora	5,513/sq mi	39,496
27	80207	Denver	5,495/sq mi	21,542
28	80003	Arvada	5,468/sq mi	35,976
29	80917	Colorado Springs	5,415/sq mi	30,398
30	80233	Denver	5,299/sq mi	48,441
31	80013	Aurora	5,252/sq mi	73,248
32	80236	Denver	5,250/sq mi	16,863
33	80922	Colorado Springs	5,225/sq mi	30,453
34	80241	Thornton	5,184/sq mi	34,082
35	80910	Colorado Springs	5,134/sq mi	31,368
36	80004	Arvada	4,713/sq mi	33,700
37	80923	Colorado Springs	4,549/sq mi	31,772
38	80122	Littleton	4,526/sq mi	32,195
39	80238	Denver	4,502/sq mi	30,575
40	80909	Colorado Springs	4,475/sq mi	35,486
41	80015	Aurora	4,446/sq mi	72,316
42	80017	Aurora	4,427/sq mi	40,584
43	80229	Denver	4,404/sq mi	55,092
44	80221	Denver	4,368/sq mi	39,718
45	80239	Denver	4,351/sq mi	44,956
46	80129	Littleton	4,293/sq mi	30,223
47	80031	Westminster	4,222/sq mi	35,584
48	80918	Colorado Springs	4,173/sq mi	50,005
49	80234	Denver	4,168/sq mi	29,356
50	80126	Littleton	4,149/sq mi	44,882
51	80226	Denver	3,892/sq mi	31,573
52	80230	Denver	3,793/sq mi	10,449
53	80110	Englewood	3,734/sq mi	23,825
54	80123	Littleton	3,705/sq mi	44,549
55	80215	Denver	3,635/sq mi	19,839
56	80223	Denver	3,628/sq mi	19,246
57	80130	Littleton	3,596/sq mi	24,719
58	80120	Littleton	3,553/sq mi	29,725
59	80620	Evans	3,514/sq mi	20,798
60	80501	Longmont	3,500/sq mi	44,147
61	80924	Colorado Springs	3,353/sq mi	19,619
62	80705	Log Lane Village	3,319/sq mi	1,102
63	80002	Arvada	3,272/sq mi	21,270
64	80905	Colorado Springs	3,259/sq mi	16,672
65	80227	Denver	3,228/sq mi	34,907
66	80033	Wheat Ridge	3,176/sq mi	26,485
67	80903	Colorado Springs	3,067/sq mi	16,491
68	80228	Denver	3,049/sq mi	34,942
69	80915	Colorado Springs	3,040/sq mi	23,884
70	80113	Englewood	2,995/sq mi	22,976
71	80920	Colorado Springs	2,974/sq mi	36,923
72	80911	Colorado Springs	2,973/sq mi	33,027
73	80128	Littleton	2,923/sq mi	36,712
74	80111	Englewood	2,897/sq mi	31,561
75	80907	Colorado Springs	2,826/sq mi	27,815
76	80304	Boulder	2,812/sq mi	25,383
77	80305	Boulder	2,799/sq mi	16,291
78	81501	Grand Junction	2,768/sq mi	24,011
79	80521	Fort Collins	2,766/sq mi	38,776
80	80020	Broomfield	2,742/sq mi	54,201
81	80011	Aurora	2,629/sq mi	53,695
82	80121	Littleton	2,500/sq mi	18,029
83	80235	Denver	2,466/sq mi	8,373
84	80005	Arvada	2,431/sq mi	28,459
85	80124	Lone Tree	2,404/sq mi	22,555
86	80525	Fort Collins	2,321/sq mi	54,211
87	80916	Colorado Springs	2,235/sq mi	41,104
88	80021	Broomfield	2,211/sq mi	36,555
89	80016	Aurora	2,113/sq mi	68,268
90	80112	Englewood	2,063/sq mi	36,816
91	80530	Frederick	2,003/sq mi	6,242
92	80520	Firestone	1,936/sq mi	1,140
93	80904	Colorado Springs	1,895/sq mi	21,158
94	80045	Aurora	1,875/sq mi	1,676
95	80027	Louisville	1,832/sq mi	34,127
96	80927	Colorado Springs	1,788/sq mi	8,036
97	80951	Colorado Springs	1,784/sq mi	5,219
98	80634	Greeley	1,712/sq mi	65,622
99	80216	Denver	1,709/sq mi	17,330
100	80601	Brighton	1,607/sq mi	42,127

Most sparsely populated zip codes

#	Zip	City	Density	Population
1	81630	De Beque	1/sq mi	1,058
2	80480	Walden	1/sq mi	1,130
3	81036	Eads	1/sq mi	1,017
4	81527	Whitewater	2/sq mi	1,462
5	81149	Saguache	2/sq mi	1,183
6	80821	Hugo	2/sq mi	1,336
7	80810	Cheyenne Wells	2/sq mi	1,145
8	81423	Norwood	2/sq mi	1,176
9	81641	Meeker	2/sq mi	3,621
10	81120	Antonito	2/sq mi	1,832
11	80720	Akron	2/sq mi	2,247
12	80833	Rush	3/sq mi	1,240
13	81152	San Luis	3/sq mi	1,244
14	81047	Holly	3/sq mi	1,586
15	81648	Rangely	3/sq mi	2,796
16	81133	Fort Garland	3/sq mi	1,085
17	80836	Stratton	3/sq mi	1,085
18	81091	Weston	3/sq mi	1,120
19	81624	Collbran	3/sq mi	1,492
20	81039	Fowler	3/sq mi	1,597
21	81131	Crestone	3/sq mi	1,051
22	80728	Fleming	3/sq mi	1,029
23	81073	Springfield	3/sq mi	1,865
24	81022	Avondale	3/sq mi	1,143
25	81424	Nucla	3/sq mi	1,079
26	80743	Otis	3/sq mi	1,333
27	80832	Ramah	4/sq mi	1,019
28	81154	South Fork	4/sq mi	1,363
29	80731	Haxtun	4/sq mi	1,486
30	80512	Bellvue	4/sq mi	1,903
31	81324	Dove Creek	4/sq mi	1,815
32	80459	Kremmling	4/sq mi	2,569
33	81132	Del Norte	5/sq mi	3,252
34	80758	Wray	5/sq mi	3,394
35	81054	Las Animas	5/sq mi	4,729
36	81089	Walsenburg	5/sq mi	4,890
37	80105	Deer Trail	6/sq mi	2,182
38	80828	Limon	6/sq mi	2,427
39	81639	Hayden	6/sq mi	2,618
40	80737	Julesburg	6/sq mi	1,420
41	80807	Burlington	6/sq mi	4,211
42	81069	Rye	6/sq mi	1,678
43	81151	Sanford	6/sq mi	1,716
44	81223	Cotopaxi	6/sq mi	2,457
45	80864	Yoder	6/sq mi	1,505
46	80734	Holyoke	6/sq mi	2,999
47	81055	La Veta	6/sq mi	1,559
48	80536	Livermore	6/sq mi	2,383
49	81326	Hesperus	6/sq mi	2,621
50	81334	Towaoc	7/sq mi	1,389
51	81230	Gunnison	7/sq mi	10,971
52	81140	La Jara	7/sq mi	1,893
53	81323	Dolores	7/sq mi	5,191
54	81415	Crawford	7/sq mi	1,955
55	81063	Ordway	7/sq mi	2,783
56	81525	Mack	7/sq mi	1,127
57	81643	Mesa	7/sq mi	1,133
58	81252	Westcliffe	8/sq mi	4,763
59	80759	Yuma	8/sq mi	4,931
60	80467	Oak Creek	8/sq mi	2,260
61	81625	Craig	8/sq mi	12,307
62	81062	Olney Springs	8/sq mi	2,000
63	80103	Byers	9/sq mi	3,215
64	81328	Mancos	9/sq mi	4,487
65	80447	Grand Lake	9/sq mi	1,857
66	81023	Beulah	9/sq mi	1,417
67	81147	Pagosa Springs	10/sq mi	13,091
68	81645	Minturn	10/sq mi	1,028
69	80482	Winter Park	10/sq mi	1,447
70	81432	Ridgway	11/sq mi	3,219
71	80440	Fairplay	11/sq mi	3,502
72	81236	Nathrop	11/sq mi	1,748
73	80446	Granby	11/sq mi	4,017
74	80135	Sedalia	11/sq mi	4,141
75	81224	Crested Butte	12/sq mi	3,101
76	81125	Center	13/sq mi	3,362
77	80644	Kersey	13/sq mi	2,124
78	81052	Lamar	13/sq mi	9,045
79	81637	Gypsum	14/sq mi	10,744
80	81654	Snowmass	14/sq mi	1,431
81	81650	Rifle	14/sq mi	14,083
82	80117	Kiowa	15/sq mi	2,756
83	81082	Trinidad	15/sq mi	11,842
84	80137	Watkins	16/sq mi	1,689
85	80654	Wiggins	16/sq mi	3,657
86	80813	Cripple Creek	16/sq mi	1,817
87	81427	Ouray	16/sq mi	1,218
88	80808	Calhan	17/sq mi	6,521
89	81419	Hotchkiss	17/sq mi	3,646
90	81211	Buena Vista	17/sq mi	8,302
91	81122	Bayfield	18/sq mi	8,838
92	81050	La Junta	20/sq mi	9,894
93	80926	Colorado Springs	20/sq mi	1,561
94	81524	Loma	20/sq mi	2,760
95	81428	Paonia	20/sq mi	3,788
96	81137	Ignacio	22/sq mi	5,571
97	81635	Parachute	23/sq mi	7,486
98	81425	Olathe	23/sq mi	5,005
99	81144	Monte Vista	23/sq mi	6,543
100	80102	Bennett	23/sq mi	6,690

Population density: zip codes ranked in Colorado

Most densely populated zip codes

Most sparsely populated zip codes

Other rankings