Which has more people, Maricopa County, AZ or Miami-Dade County, FL?

Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Miami-Dade County, FL has 2,791,914 (7th of 3,094).

How do Maricopa County, AZ and Miami-Dade County, FL compare on Median Household Income?

Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Miami-Dade County, FL $71,753 (1,059th of 3,093) among US counties. Maricopa County, AZ ranks better.

How do Maricopa County, AZ and Miami-Dade County, FL compare on Poverty Rate (%)?

Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Miami-Dade County, FL 14.7% (1,871st of 3,094) among US counties. Maricopa County, AZ ranks better.

Where does Maricopa County, AZ beat Miami-Dade County, FL most clearly?

Maricopa County, AZ ranks far ahead on Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 31.2%; Adults with Diabetes (%) (Health of Adults by County (CDC PLACES)): 9.6% vs 13.3%; Adults in Fair or Poor Health (%) (Health of Adults by County (CDC PLACES)): 17.5% vs 21.8%.

Where does Miami-Dade County, FL beat Maricopa County, AZ most clearly?

Miami-Dade County, FL ranks far ahead on Unemployment Rate (%) (Unemployment Rate by County (BLS)): 2.7% vs 3.8%; Adults with a Yearly Checkup (%) (Health of Adults by County (CDC PLACES)): 74.0% vs 72.0%; Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 15.9% vs 16.8%.

Maricopa County, AZ vs Miami-Dade County, FL

Maricopa County, AZ comes out ahead of Miami-Dade County, FL on 16 of 30 statistics where one end is better, to 14. 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: 16
Avg. percentile: 49
Categories led: 2

Miami-Dade County, FL

Wins: 14
Avg. percentile: 46
Categories led: 0

At a glance

Headline statistics, each ranked among all US counties.

Statistic	Maricopa County, AZ	Miami-Dade County, FL
Population	4,724,969 4th of 3,094	2,791,914 7th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$71,753 1,059th of 3,093
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	14.7% 1,871st of 3,094
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	2.7% tied 180th of 3,094
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	38.9% tied 1,961st of 3,094
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	30.9 2,717th of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	185 2nd of 3,050
Median Air Quality IndexAir Quality by County (EPA)	73 957th of 960	47 tied 828th of 960

By category

Average percentile on each category's widely ranked statistics.

HealthMaricopa County, AZ · 11 statistics
EconomicsMaricopa County, AZ · 8 statistics

Biggest differences

The 21 statistics where their rankings differ most, among rankings of at least 1,547 US counties.

Statistic	Maricopa County, AZ	Miami-Dade County, FL
Adults with No Leisure-Time Exercise (%)Health of Adults by County (CDC PLACES)	20.0% tied 244th of 2,916	31.2% tied 2,295th of 2,916
Adults with Diabetes (%)Health of Adults by County (CDC PLACES)	9.6% tied 759th of 2,916	13.3% tied 2,426th of 2,916
Unemployment Rate (%)Unemployment Rate by County (BLS)	3.8% tied 1,250th of 3,094	2.7% tied 180th of 3,094
Adults in Fair or Poor Health (%)Health of Adults by County (CDC PLACES)	17.5% tied 807th of 2,916	21.8% tied 1,853rd of 2,916
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	34.9% tied 898th of 3,094	38.9% tied 1,961st of 3,094
Poverty Rate (%)Housing, Income and Commutes by County (Census)	11.0% 987th of 3,094	14.7% 1,871st of 3,094
Adults 18–64 Without Health Insurance (%)Health of Adults by County (CDC PLACES)	13.1% tied 2,133rd of 2,916	26.2% 2,855th of 2,916
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	26.0 1,971st of 3,094	30.9 2,717th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$89,300 317th of 3,093	$71,753 1,059th of 3,093
Homes with Broadband Internet (%)Housing, Income and Commutes by County (Census)	93.1% 260th of 3,094	89.7% 902nd of 3,094
Adults with a Yearly Checkup (%)Health of Adults by County (CDC PLACES)	72.0% tied 2,291st of 2,916	74.0% tied 1,859th of 2,916
Adults Who Binge Drink (%)Health of Adults by County (CDC PLACES)	16.8% tied 1,061st of 2,916	15.9% tied 677th of 2,916
Adults with Depression (%)Health of Adults by County (CDC PLACES)	18.9% tied 178th of 2,916	14.0% tied 4th of 2,916
Bachelor’s Degree or Higher (% of Adults 25+)Housing, Income and Commutes by County (Census)	36.7% 387th of 3,094	34.4% 485th of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	1,404 tied 98th of 3,050	185 2nd of 3,050
Adults with Obesity (%)Health of Adults by County (CDC PLACES)	30.6% tied 225th of 2,916	29.3% tied 157th of 2,916
Median Rent (Monthly, Capped at $3,501)Housing, Income and Commutes by County (Census)	$1,708 2,953rd of 3,090	$1,829 3,004th of 3,090
Adults Who Smoke (%)Health of Adults by County (CDC PLACES)	11.0% tied 160th of 2,916	11.4% tied 204th of 2,916
Cooling Degree Days per YearClimate by County (1991–2020 Averages)	3,724 3,025th of 3,050	4,312 3,046th of 3,050
Adults with Frequent Mental Distress (%)Health of Adults by County (CDC PLACES)	15.3% tied 145th of 2,916	15.2% tied 125th of 2,916
Median Home Value (Capped at $2M)Housing, Income and Commutes by County (Census)	$452,800 2,904th of 3,092	$463,000 2,922nd of 3,092

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 Miami-Dade County, FL?: Maricopa County, AZ comes out ahead of Miami-Dade County, FL on 16 of 30 statistics where one end is better, to 14. 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 Miami-Dade County, FL?: Maricopa County, AZ has a population of 4,724,969 (4th of 3,094 US counties) and Miami-Dade County, FL has 2,791,914 (7th of 3,094).
How do Maricopa County, AZ and Miami-Dade County, FL compare on Median Household Income?: Median Household Income: Maricopa County, AZ $89,300 (317th of 3,093), Miami-Dade County, FL $71,753 (1,059th of 3,093) among US counties. Maricopa County, AZ ranks better.
How do Maricopa County, AZ and Miami-Dade County, FL compare on Poverty Rate (%)?: Poverty Rate (%): Maricopa County, AZ 11.0% (987th of 3,094), Miami-Dade County, FL 14.7% (1,871st of 3,094) among US counties. Maricopa County, AZ ranks better.
Where does Maricopa County, AZ beat Miami-Dade County, FL most clearly?: Maricopa County, AZ ranks far ahead on Adults with No Leisure-Time Exercise (%) (Health of Adults by County (CDC PLACES)): 20.0% vs 31.2%; Adults with Diabetes (%) (Health of Adults by County (CDC PLACES)): 9.6% vs 13.3%; Adults in Fair or Poor Health (%) (Health of Adults by County (CDC PLACES)): 17.5% vs 21.8%.
Where does Miami-Dade County, FL beat Maricopa County, AZ most clearly?: Miami-Dade County, FL ranks far ahead on Unemployment Rate (%) (Unemployment Rate by County (BLS)): 2.7% vs 3.8%; Adults with a Yearly Checkup (%) (Health of Adults by County (CDC PLACES)): 74.0% vs 72.0%; Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 15.9% vs 16.8%.

More matchups

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