Aaron Mendelson

Data Reporter

Contact Aaron Mendelson

Aaron Mendelson works on KPCC's data journalism and interactive projects.

At KPCC, he has used data to shine a light on the avalanche of outside money in local politics, spiking firearms sales, Los Angeles' bicycle infrastructure, and police militarization. He helped build a unique database on officer-involved shootings in Los Angeles County for KPCC's Officer Involved project.

Aaron joined KPCC in 2014 and became a member of the station's investigative team in 2017

He holds a master's degree from the UC Berkeley Graduate School of Journalism. Prior to joining KPCC, his work had been published and aired by Reuters, Marketplace, KQED and Mother Jones. He got his start in journalism at KFAI in Minneapolis.

Stories by Aaron Mendelson

You can't cross LA using just bike lanes

Despite years of effort to make streets safe for bicycles, Los Angeles still doesn't have an interconnected bike grid—at least not yet.

UCLA blasts military-style siren to break up crowds

Each UC campus has a version of a siren used in the Iraq war that can harm hearing in just a few seconds. UCLA has used it repeatedly for crowd control.

LA County is nation's most populous — still

The latest U.S. Census data show Los Angeles remains the nation's most populous county by far, with more than a quarter of Californians living there.

WeHo uses Taylor Swift song, humor to stem fatal pedestrian crashes

West Hollywood launched a million dollar safety campaign last October to make streets more safe for walkers. Early numbers show the quirky direction may be working.

Downtown areas power job growth — but not in LA

Downtown Los Angeles has seen a lot of growth, but not when it comes to job growth. In 2011, only 7 percent of the region's jobs were in the city center.

Just how late are Metro's buses? Depends on the line

Data on millions of trips shows some lines are chronically late. Other stick to their schedules most of the time. But no bus keeps up with Metro's punctual trains.

Water main break submerges vehicles in Hollywood

Crews could be in the area for hours fixing the mess — past pipe repairs in the Hollywood Hills took LADWP workers an average of 21.5 hours to repair.

SoCal law enforcement biggest spenders of Californians' seized assets, data show

California law enforcement agencies spent more than $400 million in proceeds from property and cash seized through the program.

28,000 seek driver's licenses in first days of new immigrant law

Preliminary statistics show that the California Department of Motor Vehicles received 17,200 applications on Friday and another 11,100 on Saturday.

Motorcycle crashes, deaths spike 23 pct. in SoCal: Gas prices, economy blamed

The stats reverse an earlier trend as more inexperienced or rusty riders hit the road, enticed by years of rising gas prices and a better economy.

Militarized police? An FAQ on the Pentagon's surplus program

The Defense Logistics Agency's surplus military supplies program can get complicated. Here's our guide to the data, and what it does — and doesn't — tell us.

Pentagon releases new details of weapons program in SoCal

The Department of Defense has released new data indicating just how much military equipment has made its way to Southern California law enforcement.

LA millennials: Bilingual, for the most part

Nearly 58 percent of millennials in metropolitan L.A. speak a language other than English, latest Census numbers show.