new york

Charting New York City’s Changing Borough Population, Over Time

By Matt Stiles | Matt Stiles | Topics: Demographics

I woke one recent morning at 5 a.m. obsessing about, of all things, the people of New York City — specifically how the population is distributed among the five boroughs: Brooklyn, Bronx, Manhattan, Queens and Staten Island. And how that’s changed over time.

I had a general idea. But my nerd brain needed to know for sure. So I went to Wikipedia for data. These charts show the total population, by borough, since 1790.

This chart shows how the proportion of New York City residents in each borough has shifted over time. Decades ago, Manhattan was the center of population. Not anymore, of course:

Mapping the New York Senate Same-Sex Marriage Vote

By Matt Stiles | Matt Stiles | Topics: Policy & Politics

As we all know, the New York Senate on Friday voted to approve same-sex marriages. These maps, made with ArcGIS, visualize the districts by vote, seniority and political party. First, the vote: 

And seniority by years: 

And, finally, political party: 

Here’s an interactive version of the vote:

Download data | Source: NY State Senate | Map shapefiles