Arapahoe County, CO demographics:
population, income, and more

Total population
659,844
0.6% year-over-year change
Median household income
$101,087/yr
4.0% year-over-year change
Housing units
269,345
1.3% year-over-year change

Arapahoe County population

How many people live in Arapahoe County

Arapahoe County is home to 659,844 residents, according to the most recent Census data. Gender-wise, 49.9% of Arapahoe County locals are male, and 50.1% are female.

Total population
659,844
0.6% year-over-year change
Gender ratio
Male
49.9%
329,360
Female
50.1%
330,484
Value Percent YoY change
Male 329,360 49.9% 0.7%
Female 330,484 50.1% 0.6%
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 Arapahoe County is 37, with the population distributed as follows: about 18.5% are children under 15, then 12.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 30.7% of the population, while another 24.2% fall into the 45 to 64 bracket. Finally, around 14.4% are 65 or older.

Median age
37.3
Age breakdown
Under 15
18.5%
15 to 24
12.3%
25 to 44
30.7%
45 to 64
24.2%
Over 65
14.4%
Value Percent YoY change
Under 15 121,955 18.5% -0.9%
15 to 24 80,971 12.3% 1.2%
25 to 44 202,409 30.7% 1.2%
45 to 64 159,376 24.2% -0.7%
Over 65 95,133 14.4% 3.3%
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 Arapahoe County, 81.7% of the population are US-born citizens, while 10% have gained naturalized citizenship. At the same time, 8.4% of residents are non-citizens. As for race, 59.2% of locals are Caucasian, 10.9% are African American and 6.1% have Asian roots. Another 1% are Indigenous American, 0.3% are Pacific Islanders, while 7.3% identify as another race. There’s also a share of 15.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
81.7%
Non-U.S.-born citizens
10%
Non-citizens
8.4%
Value Percent YoY change
U.S.-born citizens 538,835 81.7% 0.1%
Non-U.S.-born citizens 65,790 10% 1.7%
Non-citizens 55,219 8.4% 4.4%
Racial breakdown
White
59.2%
Black or African American
10.9%
American Indian and Alaska Native
1%
Asian
6.1%
Native Hawaiian and other Pacific Islander
0.3%
Two or more races
15.2%
Other
7.3%
Value Percent
White 390,363 59.2%
Black or African American 71,991 10.9%
American Indian and Alaska Native 6,769 1%
Asian 40,139 6.1%
Native Hawaiian and other Pacific Islander 1,947 0.3%
Two or more races 100,228 15.2%
Other 48,407 7.3%

Households in Arapahoe County

A peek inside Arapahoe County households

Arapahoe County has 257,232 households, with an average of 3 members in each. Of these, 64.2% are families, while the remaining 35.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
257,232
1.3% year-over-year change
Average people per household
3
Non-family households
92,071
Family households
165,161
Value Percent YoY change
Non-family households 92,071 35.8% 1.5%
Family households 165,161 64.2% 1.2%
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 Arapahoe County

The housing landscape of Arapahoe County

Arapahoe County's housing consists of 269,345 units, with 56.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 10.3% 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 0.8% of the housing landscape.

Housing units
269,345
1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 151,149 56.1%
1 unit, attached 27,666 10.3%
2 units 2,281 0.8%
3 or 4 units 8,066 3%
5 to 9 units 14,344 5.3%
10 to 19 units 23,755 8.8%
20 to 49 units 17,399 6.5%
50 or more units 22,490 8.4%
Mobile home 2,015 0.8%
Boat, RV, van, etc. 180 0.1%
Homes built since 2020
6,210
68.1% year-over-year change

The age of buildings in Arapahoe County

In Arapahoe County, the median construction year is 1986. About 1.7% of homes were built before the 1940s, with another 1.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 15.2% of homes were added from 2000 to 2009, 10% between 2010 and 2019, and 2.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 4,601 1.7% 0.8%
Built between 1940 and 1949 3,645 1.4% 10.5%
Built between 1950 and 1959 16,115 6% -0.8%
Built between 1960 and 1969 19,382 7.2% -0.3%
Built between 1970 and 1979 58,948 21.9% -1.4%
Built between 1980 and 1989 58,131 21.6% 0.9%
Built between 1990 and 1999 34,318 12.7% -1.4%
Built between 2000 and 2009 41,046 15.2% 0.2%
Built between 2010 and 2019 26,949 10% 5.6%
Built in 2020 or later 6,210 2.3% 68.1%
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.

Arapahoe County occupancy rates

Out of the 257,232 occupied housing units in Arapahoe County, 64.7% are owner-occupied, while 35.3% are lived in by tenants. Meanwhile, 4.5% of all homes on the local market sit vacant.

Occupied housing units
257,232
1.3% year-over-year change
Occupancy breakdown
Renter occupied
90,698
Owner occupied
166,534
Value Percent YoY
change
Renter occupied 90,698 35.3% 2.4%
Owner occupied 166,534 64.7% 0.7%
Unoccupied housing units
4.5%
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.

Arapahoe County housing costs

Housing costs in Arapahoe County come to a median of $1,956 per month, while tenants specifically pay a median gross rent of $1,891.

Median housing costs per month
$1,956/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 Arapahoe County
$1,891/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 Arapahoe County

Arapahoe County education at a glance

About 25.5% of the population in Arapahoe County went to high school, while 19.9% pursued college studies. Another 7.6% earned an associate degree and 27.1% hold a bachelor’s. Meanwhile, 16.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 19,340 3.8% 7.5%
High school diploma 130,271 25.5% -0.5%
College diploma 101,491 19.9% -0.4%
Associate degree 38,627 7.6% -2.1%
Bachelor's degree 138,393 27.1% 2.0%
Graduate degree 82,660 16.2% 3.6%
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 Arapahoe County

How much people earn in Arapahoe County

The average annual household income in Arapahoe County was $136,289 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.2% change from the previous year. At the same time, the median income stood at $101,087, reflecting a +4% shift over the same period.

Average household income in Arapahoe County
$136,289/year
3.2% year-over-year change
Median household income in Arapahoe County
$101,087/year
4.0% year-over-year change

Arapahoe County income by age

In Arapahoe County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $103,081. Those with someone between 45 and 64 in charge, often well established professionally, earn $122,284 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $64,212, while those led by someone over 65, many of whom may be retired, have about $75,264 in earnings. Overall, 91.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $64,212 2.5%
25 - 44 $103,081 2.5%
45 - 64 $122,284 5.8%
Over 65 $75,264 3.5%
Above poverty level
591,349
Below poverty level
55,644
Value Percent YoY
change
Above poverty level 591,349 91.4% 0.5%
Below poverty level 55,644 8.6% 2.0%

Employment in Arapahoe County

Workforce and job types in Arapahoe County

The job market in Arapahoe County is powered by 358,318 working residents, spread across a range of industries and roles. 82.1% of the working population are employed in professional or administrative positions, while 17.9% are in hands-on or service-based jobs. Also, 10% run their own businesses, 68.1% are employed by private companies, and 12.8% work in the public sector.

Workforce demographics

Working population
358,318
0.9% year-over-year change
White collar
294,272
Blue collar
64,046
Value Percent YoY change
White collar 294,272 82.1% 1.5%
Blue collar 64,046 17.9% -1.4%
Employer type
Self employees
10%
Private companies
68.1%
Governmental workers
12.8%
Not for profit companies
9%
Value Percent YoY change
Self employees 36,014 10% -0.8%
Private companies 244,110 68.1% 0.3%
Governmental workers 46,037 12.8% 1.2%
Not for profit companies 32,157 9% 7.6%
Unemployment rate
5.0%
7.4% year-over-year change

Available workforce

The unemployment rate in Arapahoe County stands at 5%, 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 Arapahoe County

How people get around in Arapahoe County

In Arapahoe County, the average commute time is 27 minutes. Commuting methods vary: 73.2% of residents travel by personal vehicle and 1.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
27 min
-0.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 258,881 73.2% -1.9%
Taxicab 1,492 0.4% 54.8%
Bus or trolleybus 5,171 1.5% -4.0%
Subway or elevated 341 0.1% N/A
Railroad 202 0.1% -19.8%
Ferryboat 66 0% -29.0%
Motorcycle 588 0.2% -12.2%
Bicycle 1,047 0.3% -4.0%
Walk 5,084 1.4% -1.2%
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.

What is the median and average household income in Arapahoe County by zipcode?

Zipcode Population Number of households Median income Average income
80010 42,439 14,357 $63,579 $86,423
80011 53,695 18,545 $74,022 $88,091
80012 51,052 19,536 $73,000 $91,124
80013 73,248 25,720 $101,191 $114,993
80014 39,496 18,760 $73,210 $93,769
80015 72,316 25,239 $124,702 $148,116
80016 68,268 23,982 $150,492 $195,204
80017 40,584 14,162 $80,524 $97,267
80018 19,072 6,193 $136,895 $152,774
80102 6,690 2,250 $113,125 $147,564

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FAQs about Arapahoe County demographics 

What is the total population of Arapahoe County?

Arapahoe County has a total population of 659,844 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 +0.6% compared to a year ago.

What is the gender ratio in Arapahoe County?

The gender ratio in Arapahoe County is as follows:
  • 49.9% males (329,360 residents)
  • 50.1% females (330,484 residents)

What is the median age in Arapahoe County?

The median age in Arapahoe County is 37.3.

What is the age distribution of the population in Arapahoe County?

The age distribution in Arapahoe County is as follows:
  • Under 15: 18.5% (121,955 residents)
  • Ages 15-24: 12.3% (80,971 residents)
  • Ages 25-44: 30.7% (202,409 residents)
  • Ages 45-64: 24.2% (159,376 residents)
  • Over 65: 14.4% (95,133 residents)

What is the racial and ethnic makeup of Arapahoe County?

The racial and ethnic makeup of Arapahoe County is as follows:
  • White: 59.2% (390,363 residents)
  • Black or African American: 10.9% (71,991 residents)
  • American Indian and Alaska Native: 1% (6,769 residents)
  • Asian: 6.1% (40,139 residents)
  • Native Hawaiian and Other Pacific Islander: 0.3% (1,947 residents)
  • Two or More Races: 15.2% (100,228 residents)
  • Other: 7.3% (48,407 residents)

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

U.S.-born citizens represent 81.7% of the population in Arapahoe County.

How many housing units are there in Arapahoe County?

There are 269,345 housing units in Arapahoe County, reflecting a +1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Arapahoe County has a total of 257,232 households, with an average of 3 people in each.

What is the median household income in Arapahoe County?

Arapahoe County has a median household income of $101,087, representing a +4.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Arapahoe County?

The employment rate is 95% in Arapahoe County, with a workforce of 358,318 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 82.1% (294,272 residents)
  • Blue-collar workers: 17.9% (64,046 residents)

Places of employment:
  • Self-employed: 10% (36,014 residents)
  • Private companies: 68.1% (244,110 residents)
  • Governmental workers: 12.8% (46,037 residents)
  • Not-for-profit companies: 9% (32,157 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