The Richest County in Every State

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Median household income has climbed steadily in the United States since 2014, hitting an all time high of over $63,000 in 2018. In a country of over 330 million people, however, the national median income does not often reflect incomes at a local level — and how much you earn can depend greatly on where you live. 

Median household income varies considerably from state to state — from as little as $43,600 in Mississippi to as much as nearly $82,000 in Maryland — and the difference can be even greater across communities and municipalities within states. For example, in every state, there is at least one county where the median income is higher than it is nationwide. 

Using data from , 24/7 Wall St. reviewed median household income in over 2,000 counties and county equivalents nationwide to identify the richest county in each state. 

Many of the counties on this list — particularly those around major urban areas like New York City and Washington D.C. — have a high cost of living that necessitates higher overall incomes to some degree. However, the high incomes in these areas are also often attributable in part to the availability of jobs. In 49 of the 50 counties on this list, the unemployment rate is lower than it is across the state as a whole. Here is a look at the cities adding the most jobs

Another factor contributing to higher incomes in the countries on this list is the skill level of the labor force. According to the Bureau of Labor Statistics, the typical worker with only a high school diploma earns $749 a week — about 71% less than the median weekly wage of $1,281 for those with a bachelor’s degree. All but three counties on this list are home to a larger share of college-educated adults than the state as a whole. Here is a list of the best-educated city in each state

Click here to see the richest county in every state.
Click here to see our methodology.