I recently had a nice conversation with Nathan Heffel for Colorado Matters at Colorado Public Radio. I revisited my data to confirm that Colorado is now the most polarized state legislature in the country, passing California in the past two years.

avg_polarization_2016

The plot below shows the trend over the past two to three decades, and it underlines the speed with which Colorado has polarized — the fastest in the country.

polarization_years_speed

Breaking down the trend in polarization by party and chamber, it looks like the Republicans in both chambers and Democrats in the House have been largely responsible for this trend. Senate Democrats are fairly liberal but haven’t change much in the past few years.

co_party_chamber_years

 

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