Sriharsha Devulapalli

San Francisco Police Department data offers the most comprehensive look to date on where, why and when officers deploy drones in the city.

New data shows just how much Californians in every ZIP code are paying to be insured by the FAIR Plan, the state’s insurer of last resort.

A collaboration between researchers at Meta and NYU show that America scores relatively highly on mixed-gender friendships. See how California counties rank.

San Francisco has assigned a seismic hazard score to hundreds of city-owned buildings. Some key ones, including a jury duty site, might fare badly in a big quake.

Here’s which Bay Area jobs are growing the fastest — and which are rapidly disappearing in the local economy.

Most of the federal workforce, which President Donald Trump and Elon Musk have vowed to slash, is outside of the nation’s capital. Maps show where they are.

As cars have become a flashpoint in city politics, the Chronicle looked into which San Francisco neighborhoods have the highest rates of vehicle ownership.

This searchable map shows all mandatory evacuation orders and warnings across Los Angeles county as the Palisades and Eaton fires burn.

Newly released census data shows the demographic makeup of San Francisco neighborhoods, including income, race and home ownership statistics.

A Chronicle analysis of Amtrak data found that unlike other parts of the U.S., California is struggling to recover from a post-pandemic malaise that’s impeded a recovery in ridership.

In California, the insurance premium for a home as a percentage of its value can vary — especially if it’s a wildfire-prone area. Here's the data by ZIP code.

This interactive map shows what California coastal areas you should evacuate under a tsunami warning.

These S.F. landmarks saw the biggest visitor increases in the last two years — and one saw a drop

These maps show where Hindi, Punjabi, Telugu and other South Asian languages are spoken in California

From desert playgrounds to alpine escapes, here is a ranking of the most popular spots to go camping in California, according to thousands of reviews.

New data on the most popular baby names in California was just released. We track their popularity.

Here’s where S.F. riders are using Waymo robotaxis, and where they’re going

Spring is a great time to see cherry blossoms in San Francisco. This map shows where to find the blooming trees across the city.

The Clean Air Act of 1970 has helped Americans breathe easier, driving measurable improvements in air quality over the past two decades. But human-caused climate change is turning back those gains across the United States, with wildfires in California and the West driving the reversal. Even worse, future models show it could get worse in the next 30 years. “We’re essentially wiping out that 20 years of progress,” said Jeremy Porter, head of climate implications research at the First Street Found…

San Francisco’s population declined dramatically during the first part of the pandemic, spurring worries that the city is headed for a “doom loop” scenario, in which the negative impacts of a decreasing population cascade. But since then, the city’s population has been rising slowly, and according to new research, San Francisco is among the large U.S. cities poised to see population growth by the year 2100, even as other cities lose population. That positive projection is in part a result of the…