Cities in Weld County, Colorado by Population (2024)

There are 45 cities in Weld County, Colorado.

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.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Fort Collins1Colorado170,507169,9820.08%2,97957.23
Thornton2Colorado145,834142,1850.63%3,99536.50
Greeley3Colorado113,721109,2720.99%2,30049.43
Longmont4Colorado98,44499,188-0.19%3,39029.04
Loveland5Colorado80,34776,3661.25%2,26835.42
Broomfield6Colorado77,65074,4901.03%2,35532.97
Commerce City7Colorado70,06662,7822.67%1,91836.53
Brighton8Colorado43,20540,2931.71%2,01621.43
Windsor9Colorado42,72233,2305.88%1,63926.06
Northglenn10Colorado38,20638,0360.11%5,1917.36
Erie11Colorado36,88630,4174.58%1,77920.74
Evans12Colorado22,33922,2850.06%2,12710.50
Johnstown13Colorado20,22517,3693.66%1,31015.44
Firestone14Colorado19,23116,6633.45%1,38413.90
Frederick15Colorado18,66014,7245.57%1,22715.21
Berthoud16Colorado14,11310,6136.61%1,08613
Wellington17Colorado12,38711,1512.56%3,2273.84
Severance18Colorado11,7627,9938.71%1,2919.11
Timnath19Colorado11,0746,74010.84%1,5157.31
Fort Lupton20Colorado9,9278,0055.08%76612.95
Milliken21Colorado9,2918,4622.28%71113.06
Lochbuie22Colorado8,3808,2020.53%2,2743.69
Mead23Colorado6,9984,8058.5%46515.04
Dacono24Colorado6,6776,3491.24%7209.28
Eaton25Colorado5,8285,844-0.07%1,8443.16
Todd Creek26Colorado5,1414,6350.82%5209.89
Ault27Colorado2,9121,9289.23%1,6501.76
Platteville28Colorado2,8782,957-0.69%9223.12
Keenesburg29Colorado2,3141,25712.88%2509.26
Laporte30Colorado2,2972,2991.41%3766.12
La Salle31Colorado2,2822,358-0.83%2,3310.98
Wiggins32Colorado1,9171,4336.74%1,4491.32
Aristocrat Ranchettes33Colorado1,8942,080-2.37%1,5291.24
Hudson34Colorado1,6061,649-0.68%2725.90
Kersey35Colorado1,4841,510-0.47%6632.24
Pine Bluffs36Wyoming1,1041,172-1.52%2783.97
Pierce37Colorado1,0741,097-0.56%5781.86
Gilcrest38Colorado1,0151,034-0.49%1,2520.81
Nunn39Colorado5405021.7%1363.98
Garden City40Colorado249252-0.4%2,2040.11
Albin41Wyoming157169-1.88%1,0680.15
Grover42Colorado152155-0.65%2550.59
Raymer (New Raymer)43Colorado1111110%1420.78
Briggsdale44Colorado82323-20.39%1870.44
Orchard45Colorado61111-16.44%3810.16
showing: 45 rows

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 Weld County, Colorado?

Fort Collins is the largest city in Weld County.

What is the smallest city in Weld County, Colorado?

Orchard is the smallest city in Weld County.

How many cities are in Weld County?

There are 45 cities in Weld County, Colorado.

Frequently Asked Questions