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

Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Riverside County, CA has 2,560,720 (10th of 3,094).

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

Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Riverside County, CA $93,074 (251st of 3,093) among US counties. Riverside County, CA ranks better.

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

Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Riverside County, CA 10.6% (916th of 3,094) among US counties. Riverside County, CA ranks better.

Where does Maricopa County, AZ beat Riverside 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 23.9%; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 5.6%; Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 26.9%.

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

Riverside County, CA ranks far ahead on Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 15.1% vs 16.8%; Median Income (Poorest Counties): $93,074 vs $89,300; Poverty Rate (%) (Housing, Income and Commutes by County (Census)): 10.6% vs 11.0%.

Maricopa County, AZ vs Riverside County, CA

Maricopa County, AZ comes out ahead of Riverside County, CA on 18 of 30 statistics where one end is better, to 12. Maricopa County, AZ leads on Health and 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: 18
Avg. percentile: 50
Categories led: 2

Riverside County, CA

Wins: 12
Avg. percentile: 40
Categories led: 0

At a glance

Headline statistics, each ranked among all US counties.

Statistic	Maricopa County, AZ	Riverside County, CA
Population	4,724,969 4th of 3,094	2,560,720 10th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$93,074 251st of 3,093
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	10.6% 916th of 3,094
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	5.6% tied 2,755th of 3,094
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	38.5% tied 1,824th of 3,094
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	33.8 2,914th of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	1,577 137th of 3,050
Median Air Quality IndexAir Quality by County (EPA)	73 957th of 960	80 960th of 960

By category

Average percentile on each category's widely ranked statistics.

HealthMaricopa County, AZ · 11 statistics
EconomicsMaricopa County, AZ · 9 statistics

Biggest differences

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

Statistic	Maricopa County, AZ	Riverside County, CA
Adults in Fair or Poor Health (%)Health of Adults by County (CDC PLACES)	17.5% tied 807th of 2,916	23.9% tied 2,217th of 2,916
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	5.6% tied 2,755th of 3,094
Adults with No Leisure-Time Exercise (%)Health of Adults by County (CDC PLACES)	20.0% tied 244th of 2,916	26.9% tied 1,553rd of 2,916
Adults with Diabetes (%)Health of Adults by County (CDC PLACES)	9.6% tied 759th of 2,916	11.3% tied 1,725th of 2,916
Adults with Obesity (%)Health of Adults by County (CDC PLACES)	30.6% tied 225th of 2,916	37.0% tied 1,138th of 2,916
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	33.8 2,914th of 3,094
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	38.5% tied 1,824th of 3,094
Adults with Frequent Mental Distress (%)Health of Adults by County (CDC PLACES)	15.3% tied 145th of 2,916	17.6% tied 856th of 2,916
Bachelor’s Degree or Higher (% of Adults 25+)Housing, Income and Commutes by County (Census)	36.7% 387th of 3,094	25.6% 1,121st of 3,094
Adults with Depression (%)Health of Adults by County (CDC PLACES)	18.9% tied 178th of 2,916	22.0% tied 839th of 2,916
Adults Who Binge Drink (%)Health of Adults by County (CDC PLACES)	16.8% tied 1,061st of 2,916	15.1% tied 389th of 2,916
Adults with a Yearly Checkup (%)Health of Adults by County (CDC PLACES)	72.0% tied 2,291st of 2,916	70.6% tied 2,549th of 2,916
Median IncomePoorest Counties	$89,300 317th of 2,000	$93,074 251st of 2,000
Median Home Value (Capped at $2M)Housing, Income and Commutes by County (Census)	$452,800 2,904th of 3,092	$557,300 2,995th of 3,092
Adults Who Smoke (%)Health of Adults by County (CDC PLACES)	11.0% tied 160th of 2,916	11.6% tied 230th of 2,916
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	10.6% 916th of 3,094
Cooling Degree Days per YearClimate by County (1991–2020 Averages)	3,724 3,025th of 3,050	2,969 2,957th of 3,050
Median Rent (Monthly, Capped at $3,501)Housing, Income and Commutes by County (Census)	$1,708 2,953rd of 3,090	$1,901 tied 3,019th of 3,090
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$93,074 251st of 3,093
Homes with Broadband Internet (%)Housing, Income and Commutes by County (Census)	93.1% 260th of 3,094	93.6% 196th of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	1,577 137th of 3,050
Adults 18–64 Without Health Insurance (%)Health of Adults by County (CDC PLACES)	13.1% tied 2,133rd of 2,916	13.0% tied 2,109th of 2,916

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 Riverside County, CA?: Maricopa County, AZ comes out ahead of Riverside County, CA on 18 of 30 statistics where one end is better, to 12. Maricopa County, AZ leads on Health and Economics. Statistics where neither end is better, and totals that mostly track population, are not counted.
Which has more people, Maricopa County, AZ or Riverside County, CA?: Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Riverside County, CA has 2,560,720 (10th of 3,094).
How do Maricopa County, AZ and Riverside County, CA compare on Median Household Income?: Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Riverside County, CA $93,074 (251st of 3,093) among US counties. Riverside County, CA ranks better.
How do Maricopa County, AZ and Riverside County, CA compare on Poverty Rate (%)?: Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Riverside County, CA 10.6% (916th of 3,094) among US counties. Riverside County, CA ranks better.
Where does Maricopa County, AZ beat Riverside 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 23.9%; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 5.6%; Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 26.9%.
Where does Riverside County, CA beat Maricopa County, AZ most clearly?: Riverside County, CA ranks far ahead on Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 15.1% vs 16.8%; Median Income (Poorest Counties): $93,074 vs $89,300; Poverty Rate (%) (Housing, Income and Commutes by County (Census)): 10.6% vs 11.0%.

More matchups

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