Jefferson County, Colorado Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Arvada1120,437124,343-0.8%3,09039.0City
Dakota Ridge234,60634,6550.54%3,6859.4CDP
Wheat Ridge331,61232,379-0.6%3,3839.3City
Golden420,19120,394-0.25%2,0969.6City
Superior513,44613,1060.64%3,4193.9Town
Evergreen68,9619,475-0.06%77811.5CDP
Applewood78,1228,3000.84%1,9984.1CDP
West Pleasant View85,4235,4172.13%3,5151.5CDP
Genesee94,1194,0990.91%6226.6CDP
Indian Hills101,4721,3630.89%2715.4CDP
Aspen Park111,0271,0451.08%4172.5CDP
Kittredge12974954-2.31%5171.9CDP
Morrison13384398-1.03%2331.6Town
Idledale143422922.09%1,2350.3CDP
East Pleasant View1597128-16.38%8740.1CDP

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Jefferson County, Colorado?

Arvada is the largest city in Jefferson County.

What is the smallest city in Jefferson County, Colorado?

East Pleasant View is the smallest city in Jefferson County.

How many cities are in Jefferson County?

There are 15 cities in Jefferson County, Colorado.

Frequently Asked Questions