U.S. Births by Parental Age, 1969–2024
An animated heatmap of every U.S. birth by mother and father age, 1969–2024 — watch the joint distribution of parental ages slide older across 56 years.
demographicsdata visualizationbirths +1
Tags → #data visualization
diasporas and transplants: migrations between US states
1/3 of US-born Americans live in a different state from where they were born. Let's look at the states people leave, stay, and move to.
pythondata visualizationmaps +1
syncing life stages: trends in parental age by educational attainment
In the US, more educated mothers are not only older, on average, but also closer in age to their male partners. Between 2010 and 2024, age gaps have narrowed at every level of parental education.
pythondata visualizationparenthood +1
thirties are the new twenties: US births by maternal age group
Working in from the extremes, every maternal age cohort has swapped places sometime in the last decade.
pythondata visualizationdemographics
twin ridges: visualizing housing expensiveness trends across US states
Nearly every US state follows a similar "twin-peaked" pattern of housing expensiveness, with peaks occurring around the pre-2008 housing bubble and the post-COVID housing market surge.
pythondata visualizationhousing +1
real median household income growth by state since 1984
By definition, households live together, making median household income a relevant metric for housing affordability.
pythondata visualizationmaps
twin peaks: housing expensiveness by state, 2000-2025
Visualizing trends in median home value vs. median household income at the state level from 2000 to 2025.
pythondata visualizationhousing
getting older: children vs. total population in the US
Fewer Americans are children, yet there are more American children than ever.
pythondata visualizationmaps
good news about young adult parenthood rates in the US
Fewer young adults are having children; the pandemic accelerated this trend, but it's not a new phenomenon. Hooray!
pythondata visualizationmaps
creating attractive color-coded state maps in python
Creating a map in the matplotlib ecosystem isn't easy, but the degree of control you get does allow for some powerful customizations.
pythondata visualizationmaps