Derby, CO demographics:
population, income, and more

Total population
8,453
-2.8% year-over-year change
Median household income
$82,138/yr
4.4% year-over-year change
Housing units
2,617
0.2% year-over-year change

Derby population

How many people live in Derby

Derby is home to 8,453 residents, according to the most recent Census data. Gender-wise, 52.8% of Derby locals are male, and 47.2% are female.

Total population
8,453
-2.8% year-over-year change
Gender ratio
Male
52.8%
4,465
Female
47.2%
3,988
Value Percent YoY change
Male 4,465 52.8% -0.8%
Female 3,988 47.2% -4.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Derby is 33, with the population distributed as follows: about 23.2% are children under 15, then 16.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.6% of the population, while another 26.6% fall into the 45 to 64 bracket. Finally, around 7.4% are 65 or older.

Median age
33.1
Age breakdown
Under 15
23.2%
15 to 24
16.2%
25 to 44
26.6%
45 to 64
26.6%
Over 65
7.4%
Value Percent YoY change
Under 15 1,961 23.2% 4.7%
15 to 24 1,369 16.2% -11.3%
25 to 44 2,253 26.6% -8.5%
45 to 64 2,249 26.6% 2.3%
Over 65 621 7.4% 1.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Derby, 78.2% of the population are US-born citizens, while 7.6% have gained naturalized citizenship. At the same time, 14.2% of residents are non-citizens. As for race, 42.2% of locals are Caucasian, 0.5% are African American and 0.1% have Asian roots. There’s also a share of 36.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
78.2%
Non-U.S.-born citizens
7.6%
Non-citizens
14.2%
Value Percent YoY change
U.S.-born citizens 6,607 78.2% -3.7%
Non-U.S.-born citizens 647 7.6% -22.2%
Non-citizens 1,199 14.2% 20.0%
Racial breakdown
White
42.2%
Black or African American
0.5%
American Indian and Alaska Native
3.7%
Asian
0.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
36.2%
Other
17.2%
Value Percent
White 3,571 42.2%
Black or African American 42 0.5%
American Indian and Alaska Native 310 3.7%
Asian 9 0.1%
Native Hawaiian and other Pacific Islander 3 0%
Two or more races 3,062 36.2%
Other 1,456 17.2%

Households in Derby

A peek inside Derby households

Derby has 2,479 households, with an average of 3 members in each. Of these, 79.4% are families, while the remaining 20.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,479
-1.7% year-over-year change
Average people per household
3
Non-family households
511
Family households
1,968
Value Percent YoY change
Non-family households 511 20.6% 12.1%
Family households 1,968 79.4% -4.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Derby

The housing landscape of Derby

Derby's housing consists of 2,617 units, with 80.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 12.1% of the housing landscape.

Housing units
2,617
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 2,116 80.9%
1 unit, attached 22 0.8%
2 units 72 2.8%
3 or 4 units 61 2.3%
5 to 9 units 22 0.8%
50 or more units 8 0.3%
Mobile home 316 12.1%
Homes built since 2020
0
-100.0% year-over-year change

The age of buildings in Derby

In Derby, the median construction year is 1959. About 9.1% of homes were built before the 1940s, with another 5.1% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 237 9.1% -1.7%
Built between 1940 and 1949 134 5.1% -18.3%
Built between 1950 and 1959 1,054 40.3% -0.6%
Built between 1960 and 1969 271 10.4% 27.8%
Built between 1970 and 1979 202 7.7% 1.0%
Built between 1980 and 1989 132 5% 32.0%
Built between 1990 and 1999 358 13.7% 3.2%
Built between 2000 and 2009 163 6.2% -38.3%
Built between 2010 and 2019 66 2.5% 1,220.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Derby occupancy rates

Out of the 2,479 occupied housing units in Derby, 70.9% are owner-occupied, while 29.1% are lived in by tenants. Meanwhile, 5.3% of all homes on the local market sit vacant.

Occupied housing units
2,479
-1.7% year-over-year change
Occupancy breakdown
Renter occupied
722
Owner occupied
1,757
Value Percent YoY
change
Renter occupied 722 29.1% -13.8%
Owner occupied 1,757 70.9% 4.3%
Unoccupied housing units
5.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Derby housing costs

Housing costs in Derby come to a median of $1,463 per month, while tenants specifically pay a median gross rent of $1,689.

Median housing costs per month
$1,463/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Derby
$1,689/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Derby

Derby education at a glance

About 48.2% of the population in Derby went to high school, while 15.5% pursued college studies. Another 5.3% earned an associate degree and 11.2% hold a bachelor’s. Meanwhile, 2.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,026 17.4% -16.1%
High school diploma 2,846 48.2% -8.6%
College diploma 913 15.5% -3.1%
Associate degree 315 5.3% -17.1%
Bachelor's degree 661 11.2% 54.4%
Graduate degree 144 2.4% 6.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Derby

How much people earn in Derby

The average annual household income in Derby was $100,270 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.7% change from the previous year. At the same time, the median income stood at $82,138, reflecting a +4.4% shift over the same period.

Average household income in Derby
$100,270/year
6.7% year-over-year change
Median household income in Derby
$82,138/year
4.4% year-over-year change

Derby income by age

In Derby, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $85,893. Those with someone between 45 and 64 in charge, often well established professionally, earn $102,931 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $81,438, while those led by someone over 65, many of whom may be retired, have about $58,090 in earnings. Overall, 92.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $81,438 N/A
25 - 44 $85,893 15.6%
45 - 64 $102,931 6.6%
Over 65 $58,090 -0.9%
Above poverty level
7,639
Below poverty level
651
Value Percent YoY
change
Above poverty level 7,639 92.2% -3.4%
Below poverty level 651 7.8% -0.8%

Average renter income in Derby

To get a better sense of what renters earn on average in Derby, their median household income was $71,452 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$71,452
Rent-to-income ratio
28.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Derby

Workforce and job types in Derby

The job market in Derby is powered by 3,866 working residents, spread across a range of industries and roles. 57.8% of the working population are employed in professional or administrative positions, while 42.2% are in hands-on or service-based jobs. Also, 5.7% run their own businesses, 70% are employed by private companies, and 16.8% work in the public sector.

Workforce demographics

Working population
3,866
-7.6% year-over-year change
White collar
2,235
Blue collar
1,631
Value Percent YoY change
White collar 2,235 57.8% -9.3%
Blue collar 1,631 42.2% -5.1%
Employer type
Self employees
5.7%
Private companies
70%
Governmental workers
16.8%
Not for profit companies
7.5%
Value Percent YoY change
Self employees 222 5.7% -25.8%
Private companies 2,705 70% -11.3%
Governmental workers 648 16.8% 31.2%
Not for profit companies 291 7.5% -14.4%
Unemployment rate
5.1%
1.5% year-over-year change

Available workforce

The unemployment rate in Derby stands at 5.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Derby

How people get around in Derby

Commuting methods vary: 84.7% of residents travel by personal vehicle and 3.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 3,188 84.7% -11.4%
Bus or trolleybus 16 0.4% -40.7%
Walk 135 3.6% 55.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Derby demographics 

What is the total population of Derby?

Derby has a total population of 8,453 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -2.8% compared to a year ago.

What is the gender ratio in Derby?

The gender ratio in Derby is as follows:
  • 52.8% males (4,465 residents)
  • 47.2% females (3,988 residents)

What is the median age in Derby?

The median age in Derby is 33.1.

What is the age distribution of the population in Derby?

The age distribution in Derby is as follows:
  • Under 15: 23.2% (1,961 residents)
  • Ages 15-24: 16.2% (1,369 residents)
  • Ages 25-44: 26.6% (2,253 residents)
  • Ages 45-64: 26.6% (2,249 residents)
  • Over 65: 7.4% (621 residents)

What is the racial and ethnic makeup of Derby?

The racial and ethnic makeup of Derby is as follows:
  • White: 42.2% (3,571 residents)
  • Black or African American: 0.5% (42 residents)
  • American Indian and Alaska Native: 3.7% (310 residents)
  • Asian: 0.1% (9 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (3 residents)
  • Two or More Races: 36.2% (3,062 residents)
  • Other: 17.2% (1,456 residents)

What percentage of the population in Derby are U.S.-born citizens?

U.S.-born citizens represent 78.2% of the population in Derby.

How many housing units are there in Derby?

There are 2,617 housing units in Derby, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Derby and what is the average household size?

Derby has a total of 2,479 households, with an average of 3 people in each.

What is the median household income in Derby?

Derby has a median household income of $82,138, representing a +4.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Derby?

The employment rate is 94.9% in Derby, with a workforce of 3,866 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 57.8% (2,235 residents)
  • Blue-collar workers: 42.2% (1,631 residents)

Places of employment:
  • Self-employed: 5.7% (222 residents)
  • Private companies: 70% (2,705 residents)
  • Governmental workers: 16.8% (648 residents)
  • Not-for-profit companies: 7.5% (291 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025