Colorado · 79 places of 5,000+

Fastest-growing cities in Colorado, 2020 to 2024

Short answer

Timnath is the fastest-growing city of 5,000+ in Colorado, +60.8% from 2020 to 2024. Severance (+44.4%) is second.

Fastest: +60.8%
Growing: 55
Shrinking: 24

The 20 fastest-growing

Timnath grew fastest, from 6,745 in July 2020 to 10,848 in July 2024, +60.8%. It is the 51st largest of the 79 places ranked. 55 places grew and 24 shrank or held flat; the median change was +3.0%.

By raw numbers the biggest gain was in Aurora, +16,326 people. At the other end, Aspen changed by -6.2%. Growth is measured between the July 2020 and July 2024 estimates for places with 5,000 or more residents in 2024, so fast growth from a small base can outrank larger absolute gains.

01Timnath+60.8%
02Severance+44.4%
03Mead+40.3%
04Castle Pines+35.2%
05Berthoud+28.6%
06Monument+28.6%
07Erie+26.9%
08Windsor+25.5%
09Fort Lupton+24.2%
10Frederick+21.8%
11Johnstown+18.8%
12Silverthorne+17.3%
13Firestone+16.4%
14Gypsum+13.8%
15Castle Rock+12.6%
16Commerce City+11.9%
17Parker+11.2%
18Wellington+8.6%
19Brighton+7.9%
20Milliken+7.7%

Change in population, July 2020 to July 2024, places of 5,000+ in 2024.

Dots: the 20 places in the chart. Orange pin: Timnath, ranked first.

All 79 places of 5,000+ ranked

#	Place	2024	Since 2020	County
1	Timnath	10,848	+60.8%	Larimer County +1
2	Severance	11,554	+44.4%	Weld County
3	Mead	6,735	+40.3%	Weld County
4	Castle Pines	15,162	+35.2%	Douglas County
5	Berthoud	13,648	+28.6%	Larimer County +1
6	Monument	13,408	+28.6%	El Paso County
7	Erie	38,594	+26.9%	Weld County +1
8	Windsor	41,734	+25.5%	Weld County +1
9	Fort Lupton	9,948	+24.2%	Weld County
10	Frederick	17,937	+21.8%	Weld County
11	Johnstown	20,639	+18.8%	Weld County +1
12	Silverthorne	5,220	+17.3%	Summit County
13	Firestone	19,396	+16.4%	Weld County
14	Gypsum	9,218	+13.8%	Eagle County
15	Castle Rock	83,213	+12.6%	Douglas County
16	Commerce City	70,245	+11.9%	Adams County
17	Parker	65,473	+11.2%	Douglas County
18	Wellington	12,100	+8.6%	Larimer County
19	Brighton	43,473	+7.9%	Adams County +1
20	Milliken	9,102	+7.7%	Weld County
21	Grand Junction	70,554	+7.3%	Mesa County
22	Delta	9,688	+6.9%	Delta County
23	Dacono	6,748	+6.3%	Weld County
24	Montrose	21,646	+6.2%	Montrose County
25	Loveland	81,102	+6.2%	Larimer County
26	Salida	6,007	+5.2%	Chaffee County
27	Broomfield	78,323	+5.1%	Broomfield County
28	Englewood	35,238	+4.8%	Arapahoe County
29	Lochbuie	8,599	+4.7%	Weld County
30	Greeley	114,363	+4.6%	Weld County
31	Carbondale	6,758	+4.6%	Garfield County
32	Cortez	9,151	+4.2%	Montezuma County
33	Aurora	403,130	+4.2%	Arapahoe County +2
34	Superior	13,654	+4.2%	Boulder County
35	Gunnison	6,821	+3.8%	Gunnison County
36	Durango	19,811	+3.7%	La Plata County
37	Fruita	13,912	+3.6%	Mesa County
38	Thornton	146,689	+3.2%	Adams County
39	Glenwood Springs	10,311	+3.0%	Garfield County
40	Steamboat Springs	13,620	+3.0%	Routt County
41	Colorado Springs	493,554	+2.5%	El Paso County
42	Fort Morgan	11,835	+2.4%	Morgan County
43	Rifle	10,663	+2.1%	Garfield County
44	Woodland Park	8,043	+1.6%	Teller County
45	Denver	729,019	+1.6%	Denver County
46	Cañon City	17,193	+1.5%	Fremont County
47	Alamosa	9,906	+1.0%	Alamosa County
48	Brush	5,370	+0.9%	Morgan County
49	Northglenn	38,287	+0.6%	Adams County +1
50	Longmont	99,818	+0.6%	Boulder County +1
51	Lafayette	30,587	+0.6%	Boulder County
52	Centennial	108,853	+0.6%	Arapahoe County
53	Fort Collins	170,924	+0.5%	Larimer County
54	Evans	22,394	+0.5%	Weld County
55	Lakewood	156,868	+0.4%	Jefferson County
56	Eaton	5,839	-0.2%	Weld County
57	Pueblo	111,166	-0.7%	Pueblo County
58	Lamar	7,641	-0.8%	Prowers County
59	Lone Tree	14,061	-1.1%	Douglas County
60	Westminster	115,302	-1.2%	Adams County +1
61	Wheat Ridge	31,999	-1.2%	Jefferson County
62	Golden	20,151	-1.2%	Jefferson County
63	Cherry Hills Village	6,349	-1.2%	Arapahoe County
64	Fountain	29,457	-1.4%	El Paso County
65	Boulder	106,803	-1.5%	Boulder County
66	Craig	8,903	-1.6%	Moffat County
67	Littleton	44,879	-1.6%	Arapahoe County +2
68	Estes Park	5,795	-1.8%	Larimer County
69	Louisville	20,811	-1.9%	Boulder County
70	Trinidad	8,183	-1.9%	Las Animas County
71	Arvada	121,873	-2.0%	Jefferson County +1
72	Eagle	7,349	-2.2%	Eagle County
73	Sterling	13,114	-2.2%	Logan County
74	Greenwood Village	15,288	-2.3%	Arapahoe County
75	Sheridan	5,932	-2.8%	Arapahoe County
76	Federal Heights	13,971	-2.9%	Adams County
77	Avon	5,898	-3.9%	Eagle County
78	La Junta	6,986	-4.5%	Otero County
79	Aspen	6,556	-6.2%	Pitkin County

Census Vintage 2024 subcounty estimates. Counties from the SUMLEV 157 county parts.

Questions people ask

What is the fastest-growing city in Colorado?

Timnath, up 60.8% from July 2020 to July 2024 among places of 5,000+, to 10,848 residents.

Which Colorado city added the most people?

Aurora, which gained 16,326 residents from July 2020 to July 2024.

How many Colorado cities are shrinking?

24 of 79 places of 5,000+ had the same or fewer residents in July 2024 than in July 2020.

Why use places of 5,000 or more?

Small towns can swing by double-digit percentages from a few new homes, and Census estimates for them carry more uncertainty. The 5,000 floor keeps the ranking to places where a percentage means something.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

How every number is computed: methodology. Spotted a wrong figure? Report an error.