Arapahoe County, CO Population Statistics: Density Map Data

Analyze local population trends, population density map, housing costs, and the local economy.

Area Snapshot Statistics

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

A Healthier than 74% of counties in Colorado
B Wealthier than 83% of counties in Colorado
A Better educated than 73% of counties in Colorado

Population: density and quick facts

Metric Arapahoe County Colorado Avg U.S. Average
Population 650,199 5,847,426 334,821,731
Population density (per sq mi) 807.7 56.2 85.8
Population growth (%/yr) 0.67% 1.14% 0.57%
Median age 38.8 35.3 37.1
Households 249,894 2,319,504 128,459,983

Population in Arapahoe County grew by 19.7% from 2009 to 2023, reaching 647,020 in 2023.

Population Growth 2009–2023

Year Arapahoe County

Race & Ethnicity

Group Share

Economy

Arapahoe County has a the economy index of B, which means it is quite prosperous.

Metric Arapahoe County Colorado Avg U.S. Average
Median household income $98,441 $93,055 $78,145
Income growth (%/yr) 5.64% 5.76% 5.07%
Unemployment rate 4.6% 4.4% 5.2%

The median household income in Arapahoe County is about 6% higher than in Colorado.

Detailed wealth and income breakdown →

Housing

Metric Arapahoe County Colorado Avg U.S. Average
Median home price $469,214 $480,058 $242,182
Median rent $1,812 $1,692 $1,342
Homeownership rate 65.3% 66.3% 65.1%

The median home price in Arapahoe County is about 21.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,812 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Arapahoe County spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 213 hours, about 8.9 full days, spent commuting.

Metric Arapahoe County Colorado Avg U.S. Average
One-way commute (min) 25.5 22.2 22.5
Round-trip commute (min) 51.1 44.3 44.9
Yearly time spent (hours) 213 185 187
Estimated yearly cost $6,595 $5,727 $5,803
Work from home 18.7% 18.8% 13.4%
Highway traffic (vehicles/day) 18,011 8,183 8,813
Local road traffic (vehicles/day) 3,291 1,277 1,355

Fastest commutes among counties in Colorado: Hinsdale County (6.4 min), Rio Blanco County (7.7 min), Prowers County (8.0 min).
Slowest: Park County (42.2 min), Elbert County (42.2 min), Custer County (30.9 min).

The average commute time in Arapahoe County is 26 minutes, longer than the 22 minutes in Colorado.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Arapahoe County has a education index of A, which means it is very educated.

Metric Arapahoe County Colorado Avg U.S. Average
Bachelor's degree or higher 42.0% 40.2% 31.6%
Average household size 2.57 2.45 2.54

Highest education index among counties in Colorado: Boulder County (0.5), Douglas County (0.4), Broomfield County (0.4).
Lowest: Crowley County (0.2), Bent County (0.2), Lincoln County (0.2).

Health

Arapahoe County has a health index of A, which means it is very healthy.

Metric Arapahoe County Colorado Avg U.S. Average
Life expectancy (years) 79.7 80.0 78.3
Self-rated poor health 10.0% 13.2% 16.3%
Smokers 14.0% 16.1% 19.0%

Highest health index among counties in Colorado: Douglas County (0.9), Boulder County (0.8), Broomfield County (0.8).
Lowest: Costilla County (0.8), Otero County (0.8), Bent County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Arapahoe County, Colorado.

What is the population of Arapahoe County, Colorado?

The population of Arapahoe County, Colorado is 650,199, compared to the U.S. total of 334,821,731.

What is the population density of Arapahoe County, Colorado?

The population density of Arapahoe County, Colorado is 807.7 people per square mile, compared to the U.S. average of 85.8 people per square mile.

What is the median household income in Arapahoe County, Colorado?

The median household income in Arapahoe County, Colorado is $98,441, compared to the U.S. median of $78,145.

What is the median home price in Arapahoe County, Colorado?

The median home price in Arapahoe County, Colorado is $469,214, compared to the U.S. median of $242,182.

What is the unemployment rate in Arapahoe County, Colorado?

The unemployment rate in Arapahoe County, Colorado is 4.6%, compared to the U.S. average of 5.2%.