Cities of Colorado by Population

Get everything you need to know about smallest to largest cities in Colorado by population. In the United states, Colorado is the 21st largest state accommodating 5,773,714 residents, which is 2% of the total US population. Almost 57% of the total population in Colorado lives in the cities.

The largest cities by population in Colorado are Denver city with 715,522 residents, Colorado Springs city with 478,961 residents and Aurora city with 386,261 residents. The smallest city by population is Commerce City city in CO, which is home to 62,418 residents. There are 19 popular cities in Colorado, USA, in which these cities Denver city, Colorado Springs city, and Aurora city have attracted more population, which means these cities may offer the best education, employment, income, entertainment, housing and more to make the living much easier or providing easy access to more amenities. Refer to the complete list of Colorado cities by population to know the popularity rank of any city, based on the records of the 2020 US Census Data.

Cities of Colorado by population

Rank	City	Population	Male	Female
1	Denver city	715,522	358,405	357,117
2	Colorado Springs city	478,961	236,731	242,230
3	Aurora city	386,261	192,685	193,576
4	Fort Collins city	169,810	84,217	85,593
5	Lakewood city	155,984	77,229	78,755
6	Thornton city	141,867	70,444	71,423
7	Arvada city	124,402	61,292	63,110
8	Westminster city	116,317	57,895	58,422
9	Pueblo city	111,876	54,704	57,172
10	Greeley city	108,795	53,848	54,947
11	Centennial city	108,418	53,901	54,517
12	Boulder city	108,250	55,982	52,268
13	Highlands Ranch CDP	103,444	50,681	52,763
14	Longmont city	98,885	49,054	49,831
15	Loveland city	76,378	37,085	39,293
16	Broomfield city	74,112	37,004	37,108
17	Castle Rock town	73,158	36,539	36,619
18	Grand Junction city	65,560	32,361	33,199
19	Commerce City city	62,418	31,574	30,844

How many cities in Colorado have more than 50,000 residents?
There are 19 cities in CO with more than 50,000 residents, the detailed information is provided in the table.

What is the kids population in CO?
In CO, there are 314,580 kids under 5 years old and 347,525 kids are in the age from 5 to 9 years.

What is the youngest population in CO?
Colorado is home to 1,654,116 youngsters (29% of total population) aging between 15 to 35 years of age, as per the 2020 US Census Data.

Age Range	Youngsters	Male	Female
15 to 19 years	375,364	192,873	182,491
20 to 24 years	382,920	198,816	184,104
25 to 29 years	444,668	230,827	213,841
30 to 34 years	451,164	233,250	217,914