11. Honolulu, Hawaii
> County median household income: $74,460
> State median household income: $69,515
> Poverty rate: 9.7%
> Nov. unemployment: 2.7%
Hawaii’s residents are, on the whole, relatively affluent, with a median household income of $69,515 a year, fifth highest among states. In Honolulu County, home to the state’s capital and the most populous county, incomes are higher but not by much. The typical household in the county earns $74,460 a year. Similarly, less than one in 10 Honolulu residents live in poverty, one of the lowest poverty rates of any U.S. county but only slightly below the state’s poverty rate.
12. Blaine, Idaho
> County median household income: $60,088
> State median household income: $47,583
> Poverty rate: 10.4%
> Nov. unemployment: 3.4%
Wealthy areas are often more densely populated that poorer ones. Blaine County, which encompasses large segments of federally protected forests, is an exception. With an average of only eight people per square mile in the county, it ranks among the most sparsely populated counties in Idaho and the nation. Additionally, with a median household income of $60,088 a year, Blaine’s population is the highest earning in the state.
Property is not cheap in Blaine. The typical area home is worth $374,800, more than double the $162,900 median home value across Idaho.
13. Kendall, Illinois
> County median household income: $84,385
> State median household income: $57,574
> Poverty rate: 5.5%
> Nov. unemployment: 4.8%
The median household income in Kendall is $84,385 a year, higher than every other county in Illinois. And only 5.5% of people in Kendall live in poverty, a far smaller poverty rate than the 15.5% and 14.3% national and statewide rates.
As is often the case in high-income areas, Kendall is one of the more densely populated counties in Illinois. There are an average of 358 people per square mile in the county compared to only 231 people per square mile across the state.
14. Hamilton, Indiana
> County median household income: $86,222
> State median household income: $49,255
> Poverty rate: 4.7%
> Nov. unemployment: 3.0%
In Hamilton, the wealthiest county in Indiana, the typical household earns $86,222 a year. The county’s 4.7% poverty rate is less than a third of the corresponding poverty rate statewide.
Relatively densely populated, Hamilton is located just outside of Indianapolis, the state’s largest city. Access to a major urban center is likely a source of high-paying jobs for county residents. The unemployment rate is only 3.0% in Hamilton, below the 3.9% statewide unemployment rate.
15. Dallas, Iowa
> County median household income: $76,320
> State median household income: $53,183
> Poverty rate: 6.5%
> Nov. unemployment: 2.2%
The typical household in Dallas County earns $76,320 a year, approximately $23,000 more than the median household income in Iowa as a whole. High-paying occupations often require a college degree, and the Dallas County population is fairly well educated. An estimated 44.2% of county adults have at least a bachelor’s degree, the third largest share of any county in Iowa and among the most of any U.S. county. Nationwide, the college attainment rate is 29.8% of all American adults.