The Geography of Stack Overflow's Top Users

Exploring Patterns Behind the almost 15,000 Stack Overflow with the highest reputation



Stack Overflow is a platform where users ask and answer questions in computer programming. As of January 2015, there are more than 3.5 million users, and almost 9 million questions. The website works in a way that lets users earn reputation points as the quality of their answers get voted by other users. Questions are marked with tags, which give indication on the subjects it mentions.

In this Silk we analyzed the top 14,898 users - that is all the ones who have a reputation of 5,000 or more. (Data retrieved on January 16, 2015).

Top 50 Cities for Number of Top Users

Page Title
Number of Top Users
Number of Top Users
Page Title
London, United Kingdom394394London, United Kingdom
New York City - New York, United States270270New York City - New York, United States
San Francisco - California, United States269269San Francisco - California, United States
Seattle - Washington, United States173173Seattle - Washington, United States
Sydney, Australia137137Sydney, Australia
Berlin, Germany119119Berlin, Germany
Melbourne, Australia108108Melbourne, Australia
Toronto, Canada105105Toronto, Canada
Bangalore, India104104Bangalore, India
Paris, France9999Paris, France
Boston - Massachusetts, United States8585Boston - Massachusetts, United States
Chicago - Illinois, United States8585Chicago - Illinois, United States
England, United Kingdom7474England, United Kingdom
Moscow, Russia7272Moscow, Russia
Portland - Oregon, United States6565Portland - Oregon, United States
Los Angeles - California, United States6464Los Angeles - California, United States
Austin - Texas, United States6363Austin - Texas, United States
Montreal, Canada6060Montreal, Canada
Stockholm, Sweden5959Stockholm, Sweden
Mountain View - California, United States5858Mountain View - California, United States
Vancouver, Canada5757Vancouver, Canada
Munich, Germany5555Munich, Germany
Atlanta - Georgia, United States4949Atlanta - Georgia, United States
San Diego - California, United States4848San Diego - California, United States
Amsterdam, The Netherlands4545Amsterdam, The Netherlands
Philadelphia - Pennsylvania, United States4545Philadelphia - Pennsylvania, United States
Dublin, Ireland4242Dublin, Ireland
Houston - Texas, United States4141Houston - Texas, United States
Redmond - Washington, United States4141Redmond - Washington, United States
Chennai, India3939Chennai, India
Washington DC - District of Columbia, United States3939Washington DC - District of Columbia, United States
Denver - Colorado, United States3939Denver - Colorado, United States
Prague, Czech Republic3939Prague, Czech Republic
Warsaw, Poland3939Warsaw, Poland
Vienna, Austria3838Vienna, Austria
Mumbai, India3838Mumbai, India
Brooklyn - New York, United States3636Brooklyn - New York, United States
San Jose - California, United States3535San Jose - California, United States
Cambridge, United Kingdom3535Cambridge, United Kingdom
Brisbane, Australia3535Brisbane, Australia
Boulder - Colorado, United States3434Boulder - Colorado, United States
Ahmadabad, India3434Ahmadabad, India
Phoenix - Arizona, United States3232Phoenix - Arizona, United States
Bucharest, Romania3232Bucharest, Romania
Minneapolis - Minnesota, United States3232Minneapolis - Minnesota, United States
Ottawa, Canada3232Ottawa, Canada
Dallas - Texas, United States3131Dallas - Texas, United States
Tokyo, Japan3131Tokyo, Japan
Pune, India3131Pune, India
Hamburg, Germany3030Hamburg, Germany

Select values from the filters to customize the visualization. Reset them to see the overall statistics. Click "Explore" to transform this into another type of chart, change the variables plotted, add dynamic filters. Click on each area for more information. Note: City information is available for 7911 of the 14898 users. 

Bulgaria Has the Highest Average Reputation in the World

If we sum up the reputation of Stack Overflow's top users by country, and divide it by the number of top users, we get each county's "average reputation". Bulgaria has "only" 40 users with a 5,000+ reputation, but their total score makes it the country with the highest average reputation in the world!

Top 20 countries for average reputation of top Stack Overflow users

Click "Explore" to transform this into another type of chart, change the variables plotted, add dynamic filters. Click on each area for more information. Note: this plot filters out for countries with less than 10 engineers. Country information is available only 11700 of the 14898 users.

In the US, Washington State and Massachusetts have Most Top Users per Capita

California is the first state in terms of total number of Stack Overflow top users but on a per capita basis, the Golden State comes in fourth behind Washington State, Massachusetts and Oregon. That's excluding Washington D.C., which isn't technical a state but has a very high per capita number of Stack Overflow top users at 591.  Here's the full interactive map below. 

Per Capita Top Stack Overflow Users by State (and Washington D.C.): Top 10


Most Stack Overflow Users are From London

London is the city that the highest number of top Stack Overflow users: 394 of them have a reputation over 5,000. By just one user, New York comes before San Francisco, with respectively 270 and 269 users.

Top 100 cities/areas for number of top users

Select values from the filters to customize the visualization. Reset them to see the overall statistics. Click "Explore" to transform this into another type of chart, change the variables plotted, add dynamic filters. Click on each area for more information. Note: City information is available for 7911 of the 14898 users. 

Disclaimer on data quality: Stack Overflow users are free to enter whatever location data they prefer, regardless of their actual location. This Silk can only rely on what users decide to declare.

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