Which has more people, Maricopa County, AZ or Orange County, CA?

Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Orange County, CA has 3,140,987 (6th of 3,094).

How do Maricopa County, AZ and Orange County, CA compare on Median Household Income?

Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Orange County, CA $116,289 (65th of 3,093) among US counties. Orange County, CA ranks better.

How do Maricopa County, AZ and Orange County, CA compare on Poverty Rate (%)?

Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Orange County, CA 9.5% (675th of 3,094) among US counties. Orange County, CA ranks better.

Where does Maricopa County, AZ beat Orange County, CA most clearly?

Maricopa County, AZ ranks far ahead on Adults in Fair or Poor Health (%) (Health of Adults by County (CDC PLACES)): 17.5% vs 19.9%; Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 23.4%; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 4.1%.

Where does Orange County, CA beat Maricopa County, AZ most clearly?

Orange County, CA ranks far ahead on Cooling Degree Days per Year (Climate by County (1991–2020 Averages)): 1,230 vs 3,724; Adults 18–64 Without Health Insurance (%) (Health of Adults by County (CDC PLACES)): 9.2% vs 13.1%; Median Income (Poorest Counties): $116,289 vs $89,300.

Maricopa County, AZ vs Orange County, CA

Orange County, CA comes out ahead of Maricopa County, AZ on 19 of 30 statistics where one end is better, to 11. Maricopa County, AZ leads on Health. Orange County, CA leads on Economics.

30 statistics with a better end, compared

Each counts once for the place that ranks better. Totals that mostly track population are left out.

Maricopa County, AZ

Wins: 11
Avg. percentile: 50
Categories led: 1

Orange County, CA

Wins: 19
Avg. percentile: 55
Categories led: 1

At a glance

Headline statistics, each ranked among all US counties.

Statistic	Maricopa County, AZ	Orange County, CA
Population	4,724,969 4th of 3,094	3,140,987 6th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$116,289 65th of 3,093
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	9.5% 675th of 3,094
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	4.1% tied 1,616th of 3,094
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	36.0% tied 1,159th of 3,094
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	26.7 2,116th of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	1,396 96th of 3,050
Median Air Quality IndexAir Quality by County (EPA)	73 957th of 960	53 tied 926th of 960

By category

Average percentile on each category's widely ranked statistics.

EconomicsOrange County, CA · 9 statistics
HealthMaricopa County, AZ · 11 statistics

Biggest differences

The 22 statistics where their rankings differ most, among rankings of at least 1,547 US counties.

Statistic	Maricopa County, AZ	Orange County, CA
Cooling Degree Days per YearClimate by County (1991–2020 Averages)	3,724 3,025th of 3,050	1,230 tied 1,690th of 3,050
Adults 18–64 Without Health Insurance (%)Health of Adults by County (CDC PLACES)	13.1% tied 2,133rd of 2,916	9.2% tied 977th of 2,916
Adults in Fair or Poor Health (%)Health of Adults by County (CDC PLACES)	17.5% tied 807th of 2,916	19.9% tied 1,448th of 2,916
Adults with No Leisure-Time Exercise (%)Health of Adults by County (CDC PLACES)	20.0% tied 244th of 2,916	23.4% tied 734th of 2,916
Median IncomePoorest Counties	$89,300 317th of 2,000	$116,289 65th of 2,000
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	4.1% tied 1,616th of 3,094
Adults with Diabetes (%)Health of Adults by County (CDC PLACES)	9.6% tied 759th of 2,916	10.1% tied 1,070th of 2,916
Adults with Frequent Mental Distress (%)Health of Adults by County (CDC PLACES)	15.3% tied 145th of 2,916	16.6% tied 433rd of 2,916
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	9.5% 675th of 3,094
Adults Who Binge Drink (%)Health of Adults by County (CDC PLACES)	16.8% tied 1,061st of 2,916	16.1% tied 776th of 2,916
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	36.0% tied 1,159th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$116,289 65th of 3,093
Adults with Obesity (%)Health of Adults by County (CDC PLACES)	30.6% tied 225th of 2,916	23.9% tied 33rd of 2,916
Bachelor’s Degree or Higher (% of Adults 25+)Housing, Income and Commutes by County (Census)	36.7% 387th of 3,094	44.1% 183rd of 3,094
Homes with Broadband Internet (%)Housing, Income and Commutes by County (Census)	93.1% 260th of 3,094	95.0% 70th of 3,094
Median Home Value (Capped at $2M)Housing, Income and Commutes by County (Census)	$452,800 2,904th of 3,092	$962,600 3,079th of 3,092
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	26.7 2,116th of 3,094
Median Rent (Monthly, Capped at $3,501)Housing, Income and Commutes by County (Census)	$1,708 2,953rd of 3,090	$2,434 3,086th of 3,090
Adults Who Smoke (%)Health of Adults by County (CDC PLACES)	11.0% tied 160th of 2,916	9.3% tied 41st of 2,916
Adults with a Yearly Checkup (%)Health of Adults by County (CDC PLACES)	72.0% tied 2,291st of 2,916	71.7% tied 2,361st of 2,916
Adults with Depression (%)Health of Adults by County (CDC PLACES)	18.9% tied 178th of 2,916	19.4% tied 231st of 2,916
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	1,396 96th of 3,050

See every statistic they shareSearch and sort all of them, adjust for cost of living or population, or add up to two more places.

Quick answers

Which is better, Maricopa County, AZ or Orange County, CA?: Orange County, CA comes out ahead of Maricopa County, AZ on 19 of 30 statistics where one end is better, to 11. Maricopa County, AZ leads on Health. Orange County, CA leads on Economics. Statistics where neither end is better, and totals that mostly track population, are not counted.
Which has more people, Maricopa County, AZ or Orange County, CA?: Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Orange County, CA has 3,140,987 (6th of 3,094).
How do Maricopa County, AZ and Orange County, CA compare on Median Household Income?: Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Orange County, CA $116,289 (65th of 3,093) among US counties. Orange County, CA ranks better.
How do Maricopa County, AZ and Orange County, CA compare on Poverty Rate (%)?: Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Orange County, CA 9.5% (675th of 3,094) among US counties. Orange County, CA ranks better.
Where does Maricopa County, AZ beat Orange County, CA most clearly?: Maricopa County, AZ ranks far ahead on Adults in Fair or Poor Health (%) (Health of Adults by County (CDC PLACES)): 17.5% vs 19.9%; Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 23.4%; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 4.1%.
Where does Orange County, CA beat Maricopa County, AZ most clearly?: Orange County, CA ranks far ahead on Cooling Degree Days per Year (Climate by County (1991–2020 Averages)): 1,230 vs 3,724; Adults 18–64 Without Health Insurance (%) (Health of Adults by County (CDC PLACES)): 9.2% vs 13.1%; Median Income (Poorest Counties): $116,289 vs $89,300.

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