Interactive: Visualizing Median Income For All 3,000+ U.S. Counties
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Interactive: Visualizing Median Income For All 3,000+ U.S. Counties

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Interactive: Visualizing Median Income for All 3,000+ U.S. Counties

When thinking about the United States and its economy, we often think in terms of maps.

That’s why we have previously visualized the country’s $18 trillion economy by comparing specific regions to similarly sized countries. It’s also why we have shown the extreme variance in population distribution across counties, or highlighted the average income of the “Top 1%” throughout the country.

But there is perhaps nothing more telling or interesting to explore than the “granddaddy” of all economic maps: an interactive visualization of median household income.

That’s why today’s fantastic interactive map from Overflow Data is such a treat. It covers all 3,007 U.S. counties using color coding to show the richest and poorest counties based on median income, and it also allows users to drill down to the stats on counties at the state level.

Coasts, Mountains, and Oil

While the areas around coastal cities like San Francisco, Los Angeles, New York City, Boston, or Washington, D.C. are often thought of as the wealthier parts of the country, this map helps reveal two other “belts” in the country with median incomes well above the national average of $53,889.

The first is in the mountains through states like Utah, Colorado, Wyoming and even parts of Nevada – where there is a cluster of more than 40 counties with median incomes of $60,000 or above. Aside from upscale ski areas in places like Summit County, UT or Jackson, WY, the counties in this belt also feature cities like Boulder, CO, or Salt Lake City, UT.

Areas that are rich in natural resources, such as parts of Alaska, Texas, and North Dakota, also tend to have more counties with above average median incomes. For example, Williams County, ND, is in the middle of the Bakken oilfield – and the median household income there is $88,013.

In Alaska, the northernmost county of North Slope Borough has less than 8,000 residents, but they boast a median household income of $72,576.

Tougher Times

On this map, the less wealthy areas are also very evident – and they tend to be most concentrated in the Southeast region of the country.

Many states, including ones like Kentucky, Alabama, Mississippi, Montana, Louisiana, Missouri, New Mexico, Arkansas, Texas, West Virginia, North Carolina, South Carolina, and South Dakota, all have some counties that are at the very low end of median income spectrum.

More specifically, there are only two counties in the country that have income levels below $20,000: Sumter County, AL, and McCreary County, KY.

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Economy

The $16 Trillion European Union Economy

This chart shows the contributors to the EU economy through a percentage-wise distribution of country-level GDP.

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The $16 Trillion European Union Economy

The European Union has the third-largest economy in the world, accounting for one-sixth of global trade. All together, 27 member countries make up one internal market allowing free movement of goods, services, capital and people.

But how did this sui generis (a class by itself) political entity come into being?

A Brief History of the EU

After the devastating aftermath of the World War II, Western Europe saw a concerted move towards regional peace and security by promoting democracy and protecting human rights.

Crucially, the Schuman Declaration was presented in 1950. The coal and steel industries of Western Europe were integrated under common management, preventing countries from turning on each other and creating weapons of war. Six countries signed on — the eventual founders of the EU.

Here’s a list of all 27 members of the EU and the year they joined.

CountryYear of entry
🇧🇪 Belgium1958
🇫🇷 France1958
🇩🇪 Germany1958
🇮🇹 Italy1958
🇱🇺 Luxembourg1958
🇳🇱 Netherlands1958
🇩🇰 Denmark1973
🇮🇪 Ireland1973
🇬🇷 Greece1981
🇵🇹 Portugal1986
🇪🇸 Spain1986
🇦🇹 Austria1995
🇫🇮 Finland1995
🇸🇪 Sweden1995
🇨🇾 Cyprus2004
🇨🇿 Czechia2004
🇪🇪 Estonia2004
🇭🇺 Hungary2004
🇱🇻 Latvia2004
🇱🇹 Lithuania2004
🇲🇹 Malta2004
🇵🇱 Poland2004
🇸🇰 Slovakia2004
🇸🇮 Slovenia2004
🇧🇬 Bulgaria2007
🇷🇴 Romania2007
🇭🇷 Croatia2013

Greater economic and security cooperation followed over the next four decades, along with the addition of new members. These tighter relationships disincentivized conflict, and Western Europe—after centuries of constant war—has seen unprecedented peace for the last 80 years.

The modern version of the EU can trace its origin to 1993, with the adoption of the name, ‘the European Union,’ the birth of a single market, and the promise to use a single currency—the euro.

Since then the EU has become an economic and political force to reckon with. Its combined gross domestic product (GDP) stood at $16.6 trillion in 2022, after the U.S. ($26 trillion) and China ($19 trillion.)

ℹ️ GDP is a broad indicator of the economic activity within a country. It measures the total value of economic output—goods and services—produced within a given time frame by both the private and public sectors.

Front Loading the EU Economy

For the impressive numbers it shows however, the European Union’s economic might is held up by three economic giants, per data from the International Monetary Fund. Put together, the GDPs of Germany ($4 trillion), France ($2.7 trillion) and Italy ($1.9 trillion) make up more than half of the EU’s entire economic output.

These three countries are also the most populous in the EU, and together with Spain and Poland, account for 66% of the total population of the EU.

Here’s a table of all 27 member states and the percentage they contribute to the EU’s gross domestic product.

RankCountry GDP (Billion USD)% of the EU Economy
1.🇩🇪 Germany4,031.124.26%
2.🇫🇷 France2,778.116.72%
3.🇮🇹 Italy1,997.012.02%
4.🇪🇸 Spain1,390.08.37%
5.🇳🇱 Netherlands990.65.96%
6.🇵🇱 Poland716.34.31%
7.🇸🇪 Sweden603.93.64%
8.🇧🇪 Belgium589.53.55%
9.🇮🇪 Ireland519.83.13%
10.🇦🇹 Austria468.02.82%
11.🇩🇰 Denmark386.72.33%
12.🇷🇴 Romania299.91.81%
13.🇨🇿 Czechia295.61.78%
14.🇫🇮 Finland281.41.69%
15.🇵🇹 Portugal255.91.54%
16.🇬🇷 Greece222.01.34%
17.🇭🇺 Hungary184.71.11%
18.🇸🇰 Slovakia112.40.68%
19.🇧🇬 Bulgaria85.00.51%
20.🇱🇺 Luxembourg82.20.49%
21.🇭🇷 Croatia69.40.42%
22.🇱🇹 Lithuania68.00.41%
23.🇸🇮 Slovenia62.20.37%
24.🇱🇻 Latvia40.60.24%
25.🇪🇪 Estonia39.10.24%
26.🇨🇾 Cyprus26.70.16%
27.🇲🇹 Malta17.20.10%
Total16,613.1100%

The top-heaviness continues. By adding Spain ($1.3 trillion) and the Netherlands ($990 billion), the top five make up nearly 70% of the EU’s GDP. That goes up to 85% when the top 10 countries are included.

That means less than half of the 27 member states make up $14 trillion of the $16 trillion EU economy.

Older Members, Larger Share

Aside from the most populous members having bigger economies, another pattern emerges, with the time the country has spent in the EU.

Five of the six founders of the EU—Germany, France, Italy, the Netherlands, Belgium—are in the top 10 biggest economies of the EU. Ireland and Denmark, the next entrants into the union (1973) are ranked 9th and 11th respectively. The bottom 10 countries all joined the EU post-2004.

The UK—which joined the bloc in 1973 and formally left in 2020—would have been the third-largest economy in the region at $3.4 trillion.

Sectoral Analysis of the EU

The EU has four primary sectors of economic output: services, industry, construction, and agriculture (including fishing and forestry.) Below is an analysis of some of these sectors and the countries which contribute the most to it. All figures are from Eurostat.

Services and Tourism

The EU economy relies heavily on the services sector, accounting for more than 70% of the value added to the economy in 2020. It also is the sector with the highest share of employment in the EU, at 73%.

In Luxembourg, which has a large financial services sector, 87% of the country’s gross domestic product came from the services sector.

Tourism economies like Malta and Cyprus also had an above 80% share of services in their GDP.

Industry

Meanwhile 20% of the EU’s gross domestic product came from industry, with Ireland’s economy having the most share (40%) in its GDP. Czechia, Slovenia and Poland also had a significant share of industry output.

Mining coal and lignite in the EU saw a brief rebound in output in 2021, though levels continued to be subdued.

RankSector% of the EU Economy
1.Services72.4%
2.Industry20.1%
3.Construction5.6%
4.Agriculture, forestry and fishing1.8%

Agriculture

Less than 2% of the EU’s economy relies on agriculture, forestry and fishing. Romania, Latvia, and Greece feature as contributors to this sector, however the share in total output in each country is less than 5%. Bulgaria has the highest employment (16%) in this sector compared to other EU members.

Energy

The EU imports nearly 60% of its energy requirements. Until the end of 2021, Russia was the biggest exporter of petroleum and natural gas to the region. After the war in Ukraine that share has steadily decreased from nearly 25% to 15% for petroleum liquids and from nearly 40% to 15% for natural gas, per Eurostat.

Headwinds, High Seas

The IMF has a gloomy outlook for Europe heading into 2023. War in Ukraine, spiraling energy costs, high inflation, and stagnant wage growth means that EU leaders are facing “severe trade-offs and tough policy decisions.”

Reforms—to relieve supply constraints in the labor and energy markets—are key to increasing growth and relieving price pressures, according to the international body. The IMF projects that the EU will grow 0.7% in 2023.

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