Which has more people, Cook County, IL or Maricopa County, AZ?

Cook County, IL has a population of 5,200,459 (2nd of 3,094 US counties) and Maricopa County, AZ has 4,724,969 (4th of 3,094).

How do Cook County, IL and Maricopa County, AZ compare on Median Household Income?

Median Household Income: Cook County, IL $83,498 (467th of 3,093), Maricopa County, AZ $89,300 (317th of 3,093) among US counties. Maricopa County, AZ ranks better.

How do Cook County, IL and Maricopa County, AZ compare on Poverty Rate (%)?

Poverty Rate (%): Cook County, IL 13.5% (1,614th of 3,094), Maricopa County, AZ 11.0% (987th of 3,094) among US counties. Maricopa County, AZ ranks better.

Where does Cook County, IL beat Maricopa County, AZ most clearly?

Cook County, IL ranks far ahead on Cooling Degree Days per Year (Climate by County (1991–2020 Averages)): 833 vs 3,724; Adults with a Yearly Checkup (%) (Health of Adults by County (CDC PLACES)): 76.5% vs 72.0%; Median Home Value (Capped at $2M) (Housing, Income and Commutes by County (Census)): $324,500 vs $452,800.

Where does Maricopa County, AZ beat Cook County, IL most clearly?

Maricopa County, AZ ranks far ahead on Heating Degree Days per Year (Climate by County (1991–2020 Averages)): 1,404 vs 6,207; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 4.8%; Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 16.8% vs 19.0%.

Cook County, IL vs Maricopa County, AZ

Maricopa County, AZ comes out ahead of Cook County, IL on 23 of 34 statistics where one end is better, to 11. Maricopa County, AZ leads on Economics and Health.

34 statistics with a better end, compared

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

Cook County, IL

Wins: 11
Avg. percentile: 43
Categories led: 0

Maricopa County, AZ

Wins: 23
Avg. percentile: 50
Categories led: 2

At a glance

Headline statistics, each ranked among all US counties.

Statistic	Cook County, IL	Maricopa County, AZ
Population	5,200,459 2nd of 3,094	4,724,969 4th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$83,498 467th of 3,093	$89,300 317th of 3,093
Poverty Rate (%)Housing, Income and Commutes by County (Census)	13.5% 1,614th of 3,094	11.0% 987th of 3,094
Unemployment Rate (%)Unemployment Rate by County (BLS)	4.8% tied 2,337th of 3,094	3.8% tied 1,250th of 3,094
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	36.0% tied 1,159th of 3,094	34.9% tied 898th of 3,094
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	31.5 2,768th of 3,094	26.0 1,971st of 3,094
Heating Degree Days per YearClimate by County (1991–2020 Averages)	6,207 tied 2,163rd of 3,050	1,404 tied 98th of 3,050
Median Air Quality IndexAir Quality by County (EPA)	53 tied 926th of 960	73 957th of 960

By category

Average percentile on each category's widely ranked statistics.

EconomicsMaricopa County, AZ · 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	Cook County, IL	Maricopa County, AZ
Heating Degree Days per YearClimate by County (1991–2020 Averages)	6,207 tied 2,163rd of 3,050	1,404 tied 98th of 3,050
Cooling Degree Days per YearClimate by County (1991–2020 Averages)	833 tied 1,089th of 3,050	3,724 3,025th of 3,050
Adults with a Yearly Checkup (%)Health of Adults by County (CDC PLACES)	76.5% tied 1,057th of 2,916	72.0% tied 2,291st of 2,916
Unemployment Rate (%)Unemployment Rate by County (BLS)	4.8% tied 2,337th of 3,094	3.8% tied 1,250th of 3,094
Adults Who Binge Drink (%)Health of Adults by County (CDC PLACES)	19.0% tied 2,059th of 2,916	16.8% tied 1,061st of 2,916
Average Commute (Minutes)Housing, Income and Commutes by County (Census)	31.5 2,768th of 3,094	26.0 1,971st of 3,094
Adults with Diabetes (%)Health of Adults by County (CDC PLACES)	10.7% tied 1,416th of 2,916	9.6% tied 759th of 2,916
Poverty Rate (%)Housing, Income and Commutes by County (Census)	13.5% 1,614th of 3,094	11.0% 987th of 3,094
Homes with Broadband Internet (%)Housing, Income and Commutes by County (Census)	90.6% 684th of 3,094	93.1% 260th of 3,094
Adults with No Leisure-Time Exercise (%)Health of Adults by County (CDC PLACES)	22.8% tied 620th of 2,916	20.0% tied 244th of 2,916
Adults in Fair or Poor Health (%)Health of Adults by County (CDC PLACES)	18.7% tied 1,128th of 2,916	17.5% tied 807th of 2,916
Median Home Value (Capped at $2M)Housing, Income and Commutes by County (Census)	$324,500 2,582nd of 3,092	$452,800 2,904th of 3,092
Adults Sleeping Under 7 Hours (%)Health of Adults by County (CDC PLACES)	36.0% tied 1,159th of 3,094	34.9% tied 898th of 3,094
Adults 18–64 Without Health Insurance (%)Health of Adults by County (CDC PLACES)	12.0% tied 1,891st of 2,916	13.1% tied 2,133rd of 2,916
Median IncomePoorest Counties	$83,498 467th of 2,000	$89,300 317th of 2,000
Bachelor’s Degree or Higher (% of Adults 25+)Housing, Income and Commutes by County (Census)	42.7% 205th of 3,094	36.7% 387th of 3,094
Median Household IncomeHousing, Income and Commutes by County (Census)	$83,498 467th of 3,093	$89,300 317th of 3,093
Median Rent (Monthly, Capped at $3,501)Housing, Income and Commutes by County (Census)	$1,435 2,807th of 3,090	$1,708 2,953rd of 3,090
Adults with Obesity (%)Health of Adults by County (CDC PLACES)	31.0% tied 269th of 2,916	30.6% tied 225th of 2,916
Adults Who Smoke (%)Health of Adults by County (CDC PLACES)	11.2% tied 180th of 2,916	11.0% tied 160th of 2,916
Adults with Frequent Mental Distress (%)Health of Adults by County (CDC PLACES)	15.4% tied 162nd of 2,916	15.3% tied 145th of 2,916
Adults with Depression (%)Health of Adults by County (CDC PLACES)	19.0% tied 187th of 2,916	18.9% tied 178th 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, Cook County, IL or Maricopa County, AZ?: Maricopa County, AZ comes out ahead of Cook County, IL on 23 of 34 statistics where one end is better, to 11. Maricopa County, AZ leads on Economics and Health. Statistics where neither end is better, and totals that mostly track population, are not counted.
Which has more people, Cook County, IL or Maricopa County, AZ?: Cook County, IL has a population of 5,200,459 (2nd of 3,094 US counties) and Maricopa County, AZ has 4,724,969 (4th of 3,094).
How do Cook County, IL and Maricopa County, AZ compare on Median Household Income?: Median Household Income: Cook County, IL $83,498 (467th of 3,093), Maricopa County, AZ $89,300 (317th of 3,093) among US counties. Maricopa County, AZ ranks better.
How do Cook County, IL and Maricopa County, AZ compare on Poverty Rate (%)?: Poverty Rate (%): Cook County, IL 13.5% (1,614th of 3,094), Maricopa County, AZ 11.0% (987th of 3,094) among US counties. Maricopa County, AZ ranks better.
Where does Cook County, IL beat Maricopa County, AZ most clearly?: Cook County, IL ranks far ahead on Cooling Degree Days per Year (Climate by County (1991–2020 Averages)): 833 vs 3,724; Adults with a Yearly Checkup (%) (Health of Adults by County (CDC PLACES)): 76.5% vs 72.0%; Median Home Value (Capped at $2M) (Housing, Income and Commutes by County (Census)): $324,500 vs $452,800.
Where does Maricopa County, AZ beat Cook County, IL most clearly?: Maricopa County, AZ ranks far ahead on Heating Degree Days per Year (Climate by County (1991–2020 Averages)): 1,404 vs 6,207; Unemployment Rate (%) (Unemployment Rate by County (BLS)): 3.8% vs 4.8%; Adults Who Binge Drink (%) (Health of Adults by County (CDC PLACES)): 16.8% vs 19.0%.

More matchups

Other comparisons with Cook County, IL or Maricopa County, AZ.

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