Map of Median Household Income by U.S. County

This is an interactive map of Median Income by U.S. county. Yellow shades represent lower income. Dark blue represents higher income. Hover over the map to see the county, state, GDP, income, population, and population density. Zoom in for more details. Scroll down for more information.

Median Income ($US)

U.S. Median Household Income

The median household income is the income amount that divides a population into two equally-sized groups, half has an income above that amount, and half has an income below that amount.

The United States median household income was $69,717 in 2021.

The states with the highest median household income were Washington D.C., Maryland, Massachusetts, New Jersey, New Jersey, and New Hampshire.

The lowest median income states are Mississippi, West Virginia, Louisiana, Arkansas, and Alabama.

The data displayed on the map is from 2021.

U.S. Highest Median Income Counties

Loudoun, Virginia: $153,716

Loudon County has the highest median household income of the whole nation.

Loudon is part of the Washington–Arlington–Alexandria, Metropolitan Statistical Area.

As mentioned in Most Educated Counties in the U.S., this area is also one of the places with highest percentage of PhD's in the nation.

Loudon is the headquarter for high tech companies like Verizon, Telos, Dulles, and Orbital Sciences Corporation, plus several data centers.

Santa Clara, California: $141,161

Santa Clara is part of the larger San Jose Sunnyvale Santa Clara metropolitan area. Close to the San Francisco Bay area.

This county is home to Silicon Valley. Santa Clara is also home to an extraordinary array of high-tech companies, including Applied Materials, Apple, Google, Adobe, Intel, Nvidia, Oracle, and Ericsson. Source: Santa Clara.

Los Alamos, New Mexico: $134,05

Los Alamos County economic landscape is intertwined by the presence of the Los Alamos National Laboratory (LANL).

Established in 1943 as a top-secret facility for developing the atomic bomb.

Since then, it has turned into a multidisciplinary research powerhouse, spearheading advancements in nuclear security, renewable energy, astrophysics, and more. Source: LANM.

Fairfax, Virginia: $133,845

Fairfax has the benefit of being close to Washington D.C. It also has the advantage of having major companies like Inova Health System, Amazon, Booz Allen Hamilton, Capital One, Freddie Mac, General Dynamics, Navy Federal Credit Union and more.

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Howard, Maryland:$131,412

Howard is pard of the Baltimore, Columbia Towson Metropolitan area, not far from Washington D.C.

According to Commerce Maryland "It is at the center of the growing cyber security industry due to proximity to Fort George Meade, U.S. Cyber Command and National Security Agency. The county is also home to major research institutions such as Johns Hopkins Applied Physics Lab and companies like W.R. Grace, Merkle, Tenable Network Security, Medstar, and Maxim Healthcare Services."

These high median income counties are followed by San Mateo, CA, Douglas County, CO, Nassau, NY, and Arlington, VA.

U.S. Lowest Median Income Counties

Buffalo SD: $25,253

Holmes MS: $28236

McDowell, WV: $ $28,720

Issaquena, MS: $29,050

Lee, Kentucky: $29,143

Most of these low income counties are located in the south. Buffalo is located at the north but it is characterized for containing part of an American Indian Reservation.

These are mainly rural communities, and high unemployement rates. Source: 247.

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Besides the highest and lowest income there are several counties with high income in unexpected areas. Can you see them? Explore the map. Tell me what you think!!

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Resources for United States Map

The Shapefiles for the states were downloaded from Natural Earth.

The county shapefiles and the population data were downloaded from the US Census Bureau.

The U.S. population and median income data was obtained from USDA.

Made by Luz K. Molina with D3.js.

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USA County Median Income map