Derby, CO

Derby is an unincorporated community and census-designated place in Adams County, Colorado, United States. It is a suburban community within the Denver metropolitan area.

About the City

Official Status and Administrative Affiliation

Derby is an unincorporated community and a census-designated place (CDP) located in and governed by Adams County, Colorado, United States . Its full official name is simply Derby, Colorado. The community is named after Derby, England . It is an integral part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area . Adams County is a rapidly growing county in the northeastern part of the Denver metro area, known for its diverse communities, industrial areas, and the Denver International Airport.

Date of Foundation and Age

The Derby post office was established in 1910 . While the area was likely settled earlier, this marks the community's formal recognition. As of 2026, the community is 116 years old.

Geographic Location and Coordinates

Derby is located in north-central Colorado at the coordinates 39.84° N, -104.9172° W . It sits on the Colorado Eastern Plains at the base of the Rocky Mountains. The elevation of the city center is approximately 5,128 feet (1,563 meters) above sea level . It is a suburban community situated just north of Denver and east of the South Platte River valley.

City Type and Economic Specialization

Derby is primarily a residential suburb and an integral part of the Denver metropolitan area. Its economy is closely tied to that of the wider region, with many residents commuting to jobs in Denver and other nearby cities like Aurora and Commerce City. Key economic sectors for the region include healthcare, government, education, and a growing technology and renewable energy industry. The nearby Suncor Energy refinery in Commerce City is also a major industrial employer.

Population and Demographics

As of the 2020 United States Census, the population of the Derby CDP was 8,407 . This classifies it as a small town or small suburban community. The population has seen steady growth in recent decades, increasing by 9.4% since 2010 . The community is notably diverse, with the 2000 Census reporting a significant Hispanic or Latino population of 47.27% .

"Visiting Card" of the City

Derby is a quiet, family-oriented suburb offering a slice of small-town life within the bustling Denver metro area. Its appeal lies in its convenience, providing easy access to the job centers, cultural attractions, and major airports of Colorado's largest city, while maintaining a distinct, more relaxed community atmosphere.

Climate and Weather

Climate Type and General Characteristics

Derby has a cold semi-arid climate (Köppen climate classification BSk) , characteristic of the High Plains east of the Rocky Mountains. It is characterized by four distinct seasons with hot, mostly clear summers and very cold, snowy, and partly cloudy winters . The area is known for its abundant sunshine throughout the year.

Average Temperatures by Month

Temperatures in Derby vary significantly between seasons. The hottest month is July, with an average high of 88°F (31°C) and an average low of 62°F (16°C) . The coldest month is December, with an average high of 45°F (7°C) and an average low of 23°F (-5°C) . The daily temperature range can be quite large, especially in the summer.

Month Average High (°F / °C) Average Low (°F / °C)
January 45 / 7 23 / -5
February 49 / 9 26 / -4
March 57 / 14 32 / 0
April 64 / 18 38 / 4
May 72 / 22 47 / 8
June 83 / 28 56 / 13
July 88 / 31 62 / 16
August 86 / 30 60 / 15
September 79 / 26 51 / 11
October 66 / 19 40 / 5
November 54 / 12 30 / -1
December 45 / 7 23 / -5

Precipitation and Humidity

The region is relatively dry. Total annual precipitation averages around 15-17 inches (380-430 mm) . The wettest period is during the spring and summer, with May being the wettest month, averaging 1.9 inches (48 mm) of rainfall, primarily from afternoon thunderstorms . Winters are very dry. Humidity is generally low year-round, particularly in the summer, which makes the heat more tolerable.

Sunny Days and UV Index

Derby enjoys a high amount of sunshine, typical of Colorado, with an average of around 300 sunny days per year. The sunniest period is from June to September. Due to the high altitude and sunny conditions, the UV index can be high, especially during the summer months, often reaching levels of 8-10 (very high to extreme).

Seasonality and Best Time for a Visit

The best time to visit Derby for warm-weather activities is from mid-June to early September .

Transport

Main Airports

Public Transportation System

Derby is served by the Regional Transportation District (RTD) , which provides bus and rail services throughout the Denver metro area.

Major Highways

Derby is strategically located for auto travel, with easy access to several of Colorado's major highways:

Sport and Sporting Legends

Nearby Professional Sports in the Denver Metro Area

While the town of Derby itself is small and does not host its own major professional sports teams, its location in Colorado places it within easy reach of the Denver metropolitan area's rich sporting landscape. Residents and visitors are just a short drive away from world-class sporting events and venues.

The most prominent nearby teams include:

Sporting Events and Outdoor Recreation

Given its location, the area around Derby is a hub for active lifestyles and major sporting events.

Universities and Educational Institutions

Higher Education in the Denver Area

Derby, CO, is situated in a region with excellent access to a wide variety of higher education institutions. While there are no major universities directly within the town's borders, several prominent colleges and universities are located within a short driving distance in the Denver metropolitan area and the nearby city of Boulder.

Healthcare and Medical Institutions

Major Medical Centers Near Derby

The town of Derby, CO, benefits from its proximity to one of the most advanced medical complexes in the United States. While local clinics serve the immediate community, world-class specialized care is available nearby.

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