Largest cities in Colorado

Colorado, with its majestic Rocky Mountains and vibrant cities, is a state known for its natural beauty and active lifestyle. With a population of around 5.8 million, it ranks as the 21st most populated state in the U.S. Colorado's population has been steadily increasing, reflecting its attractiveness as a place to live, work, and play. Colorado is bordered by Wyoming to the north, Nebraska to the northeast, Kansas to the east, Oklahoma to the southeast, New Mexico to the south, Utah to the west, and Arizona at the Four Corners region. The state comprises approximately 270 cities and towns, each contributing to its dynamic character. The largest cities in Colorado are key to the state's economy and cultural vibrancy.

Living in Colorado offers a high quality of life, with a strong emphasis on outdoor recreation, a healthy lifestyle, and a robust economy. The state's moderate population density allows for a balance between vibrant urban living and access to vast natural landscapes. Colorado's economy is diverse, with strengths in industries such as technology, aerospace, and tourism. The state's steady population growth reflects its ongoing appeal and sustainable development. The AreaVibes list of the largest cities in Colorado, derived from census data from the United States Census Bureau's American Community Survey, provides a detailed look at Colorado cities by population, highlighting the state's most populous and influential urban centers.

Denver Population: 715,878 Livability Score: 72
Area Size: 397 KM2 Density (sq mi): 4,677 Med. Household Income: $72,661
Living in Denver, CO, known as 'The Mile High City,' offers a vibrant urban experience combined with stunning natural beauty. Located at the base of the Rocky Mountains, Denver is a large city renowned for its outdoor recreational opportunities, thriving arts scene, and innovative tech industry. Major nearby cities like Boulder and Colorado Springs enhance its appeal as a central hub in the region. Denver's blend of natural beauty, cultural diversity, and modern innovation creates a distinctive living experience.
Colorado Springs Population: 471,686 Livability Score: 79
Area Size: 505 KM2 Density (sq mi): 2,409 Med. Household Income: $67,719
Aurora Population: 379,434 Livability Score: 73
Area Size: 398 KM2 Density (sq mi): 2,372 Med. Household Income: $67,723
Aurora, CO, known as 'The Gateway to the Rockies,' offers a unique blend of natural beauty and urban amenities. Located in central Colorado, Aurora is a large city that serves as a major cultural and economic hub. Major nearby cities like Denver and Centennial enhance its status as a central point in the region. Aurora's blend of scenic landscapes, cultural festivals, and urban amenities creates a distinctive living experience.
Fort Collins Population: 166,069 Livability Score: 81
Area Size: 145 KM2 Density (sq mi): 2,902 Med. Household Income: $70,528
Fort Collins, CO, known as "The Choice City," is a vibrant community with a rich history and a high quality of life. Located in northern Colorado, Fort Collins is approximately 65 miles north of Denver and 45 miles south of Cheyenne, WY. This medium-sized city is celebrated for its excellent recreational opportunities, beautiful parks, and strong sense of community.
Lakewood Population: 155,733 Livability Score: 69
Area Size: 111 KM2 Density (sq mi): 3,582 Med. Household Income: $71,233
Lakewood, CO, known as "Gateway to the Rockies," is a vibrant city with a rich history and a high quality of life. Located just west of Denver, Lakewood is approximately 10 miles from downtown Denver and 20 miles east of Golden. This medium-sized city is celebrated for its beautiful parks, recreational opportunities, and thriving arts community.
Thornton Population: 144,186 Livability Score: 81
Area Size: 93 KM2 Density (sq mi): 4,016 Med. Household Income: $80,732
Thornton, CO, known as 'The City of Parks,' offers a unique blend of suburban tranquility and modern urban amenities. Located in Adams and Weld counties, Thornton is a large city that serves as a major cultural and economic hub. Major nearby cities like Denver (10 miles) and Boulder (25 miles) enhance its status as a central point in the region. Thornton's blend of scenic landscapes, cultural festivals, and urban amenities creates a distinctive living experience.
Arvada Population: 120,229 Livability Score: 85
Area Size: 100 KM2 Density (sq mi): 3,090 Med. Household Income: $92,669
Arvada, Colorado, known as "The Garden Spot of Colorado," is a charming suburban city located just northwest of Denver. With its picturesque landscapes, historic charm, and vibrant community, Arvada offers a high quality of life for its residents. The city's commitment to preserving its natural beauty and fostering a strong sense of community makes living in Arvada a delightful experience.
Westminster Population: 114,832 Livability Score: 73
Area Size: 82 KM2 Density (sq mi): 3,636 Med. Household Income: $76,378
Westminster, Colorado, known as "The Big City with a Small-Town Feel," is a vibrant suburban community located between Denver and Boulder. With its scenic beauty, strong economy, and family-friendly atmosphere, Westminster offers a high quality of life for its residents. The city's blend of suburban charm and urban amenities makes living in Westminster an attractive option for families and professionals.
Pueblo Population: 111,776 Livability Score: 74
Area Size: 139 KM2 Density (sq mi): 1,990 Med. Household Income: $42,902
Pueblo, Colorado, known as "The Steel City," is a historic and vibrant community located along the Arkansas River. With its rich industrial heritage, diverse cultural scene, and strong sense of community, Pueblo offers a high quality of life for its residents. The city's blend of historic charm and modern amenities makes living in Pueblo an attractive option for families and professionals.
Centennial Population: 111,331 Livability Score: 80
Area Size: 77 KM2 Density (sq mi): 3,746 Med. Household Income: $109,767
Centennial, Colorado, known as "A City with Spirit," is a vibrant suburban community located in the Denver metropolitan area. With its strong economy, excellent schools, and family-friendly atmosphere, Centennial offers a high quality of life for its residents. The city's blend of suburban tranquility and urban amenities makes living in Centennial an attractive option for families and professionals.

Full list of the largest cities in Colorado

Rank Location Population Area KM2 Median Income Livability Score 
1 Denver 715,878 397 $72,661 72
2 Colorado Springs 471,686 505 $67,719 79
3 Aurora 379,434 398 $67,723 73
4 Fort Collins 166,069 145 $70,528 81
5 Lakewood 155,733 111 $71,233 69
6 Thornton 144,186 93 $80,732 81
7 Arvada 120,229 100 $92,669 85
8 Westminster 114,832 82 $76,378 73
9 Pueblo 111,776 139 $42,902 74
10 Centennial 111,331 77 $109,767 80
11 Boulder 108,777 68 $72,279 77
12 Greeley 107,445 124 $57,537 71
13 Highlands Ranch 107,017 63 $127,093 69
14 Longmont 95,864 71 $79,140 81
15 Loveland 81,774 89 $72,515 76
16 Broomfield 69,444 85 $101,206 85
17 Castle Rock 65,176 89 $113,585 80
18 Grand Junction 62,218 102 $54,570 79
19 Commerce City 55,891 92 $82,939 68
20 Parker 55,460 56 $114,802 83
21 Littleton 46,208 33 $76,375 71
22 Northglenn 39,201 19 $71,104 79
23 Security-Widefield 38,645 34 $72,175 59
24 Brighton 38,355 55 $74,813 64
25 Englewood 34,840 17 $66,399 75
26 Dakota Ridge 34,655 24 $101,248 79
27 Ken Caryl 33,815 25 $97,344 76
28 Pueblo West 32,842 182 $73,608 63
29 Wheat Ridge 31,889 24 $63,333 76
30 Fountain 30,240 58 $68,194 60
31 Lafayette 27,952 24 $85,909 90
32 Erie 27,157 50 $124,480 76
33 Columbine 25,892 17 $105,089 77
34 Windsor 23,679 63 $103,933 82
35 Evans 22,128 26 $64,007 71
36 Clifton 20,783 16 $46,394 66
37 Golden 20,391 26 $80,338 76
38 Durango 19,413 36 $65,424 67
39 Montrose 19,396 47 $52,534 70
40 Louisville 19,342 21 $116,073 80
41 Sherrelwood 19,082 6 $64,404 71
42 Cimarron Hills 18,981 16 $71,342 68
43 Cañon City 16,369 32 $49,963 67
44 Fort Carson 16,243 22 $52,144 60
45 Welby 15,372 10 $67,594 67
46 Greenwood Village 15,100 21 $127,500 63
47 Sterling 14,421 20 $40,956 63
48 Johnstown 14,357 35 $115,069 72
49 Fruita 14,068 20 $50,800 72
50 Federal Heights 13,537 5 $49,291 77

Methodology

To compile the list of the largest cities in Colorado, AreaVibes used census data from the United States Census Bureau's American Community Survey (ACS). The American Community Survey releases updated estimates annually, offering a valuable resource for understanding the evolving dynamics within communities. These estimates are crucial for officials, community leaders, businesses, and local residents as they provide insights into demographic, economic, and social changes. By analyzing ACS data, stakeholders can make informed decisions, plan for future developments, and address the needs of their communities effectively. The detailed population information from the ACS helps track trends, allocate resources, and implement policies that enhance the quality of life for all residents.

Map of the population Density by State

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The map above serves as an excellent tool for discovering the most and least densely populated states across the United States. By highlighting both the states with the highest and lowest population density, it offers a comprehensive view of the nation's demographic landscape. This visual representation allows users to easily compare different regions, making it a valuable resource for anyone considering relocation or investment opportunities. Living in high density states could give you access to the following benefits: additional economic opportunities, enhanced amenities, improved health care, better infrastructure and technological advancement. Less densely poupulated states on the other hand, often have a lower cost of living, reduced traffic, closer-knit communities, abundant natural spaces and lower crime rates.