Data Spotlight

Skip to main content

San Francisco Chronicle Homepage

Data Spotlight

Climate

California drought: Where major reservoir levels stand amid dry spell

Unusual weather in September hasn’t done much to change the state of California’s reservoirs.

By the Numbers

Our favorite maps

More from the Data Team

Bay Area
Why these 7 Bay Area cities saw the most dramatic shift to remote work in California
Where are people working from home in the Bay Area? We examine U.S. census data from 2019 to 2021. By Leila Darwiche
Bay Area
Here are the 50 biggest property owners listed in Bay Area real estate records
Property records show the very biggest property owners in the Bay Area include many government agencies. By Susie Neilson and Emma Stiefel
San Francisco
Even the richest San Franciscans think economic inequality is out of control. Here’s how bad it is
A Chronicle analysis shows income is distributed particularly unequally in San Francisco. By Adriana Rezal
Bay Area
These 3 stretches of Bay Area highway are among California’s 10 deadliest roads
Two sections of Interstate 80 in the East Bay and a portion of Interstate 280 in the South Bay have among the highest rates of fatal crashes per mile in the state, according to a report from personal finance website MoneyGeek. By Kellie Hwang
San Francisco
Here’s how many San Franciscans say they’ve been the victim of a crime, according to new poll
A sweeping poll commissioned by The Chronicle showed nearly half of respondents said they were victims of theft in the last five years. By Rachel Swan
Justin Phillips
One demographic has the harshest views of S.F. institutions — and its influence is growing
Multiracial people are a growing demographic in San Francisco and, according to the SFNext poll conducted for The Chronicle, the most critical of city government, education and policing institutions. By Justin Phillips
San Francisco
Not just YIMBYs vs. NIMBYs: Chronicle poll breaks down S.F. housing attitudes by class, race and age
Black residents, renters and young people are most emphatic about building more workforce housing, The Chronicle’s SFNext poll found. By Lauren Hepler
San Francisco
San Francisco may shift its mayoral elections to line up with presidential races. Is that good...
A San Francisco measure would move mayoral races a year later to coincide with presidential elections. A Chronicle analysis explores what this could mean for Mayor London Breed and future mayoral candidates. By Nami Sumida
Wine, Beer & Spirits
We tasted the top-rated wines in a hugely popular app. Are they actually any good?
In a Chronicle experiment using the popular app Vivino, crowd-sourced ratings of top wines were surprisingly similar to those written by a professional critic. By Esther Mobley
San Francisco
Why San Francisco city workers are making so much money in overtime pay
Why is overtime pay accounting for an increasingly large share of San Francisco’s government spending? By Nami Sumida
Real Estate
‘Shrinkflation’ at its worst: How $1 million homes in the Bay Area compare to other real estate...
Sales of million-dollar homes have more than doubled in the U.S. over the past three years and are at record highs, but buyers are getting a lot less house for that $1 million than they used to — and Bay Area buyers are getting the least of all,... By Kellie Hwang
49ers
49ers data breach may have exposed more than 20,000 people to ID theft, documents say
The San Francisco 49ers have acknowledged that a ransomware attack during Super Bowl week that compromised its systems affected 20,930 individuals who may be victims of identity theft, according to a government notification filed by the team. By Sam Whiting
Real Estate
This Bay Area city saw the biggest pandemic rent decline in the U.S. — and still hasn’t fully...
Most major cities across the U.S. have seen apartment rental prices bounce back above pre-pandemic levels — but San Francisco and Oakland remain among the very few exceptions, new data shows. By Kellie Hwang
San Francisco
These are the counties California’s prison inmates come from. They’re not always the places with...
A study of where California’s prison population originates from shows the Bay Area with a lower incarceration rate than the state, while a handful of rural counties send large shares of their residents to prison. By Joshua Sharpe and Susie Neilson
Climate
Scientists are listening to blue whales off California’s coast. Here’s what their songs reveal
Acoustic ecology is teaching us that blue whales are even more sophisticated than previously thought. By Tara Duggan and Yoohyun Jung
Bay Area
Workers want to be in the office five days a week or not at all. What does that mean for S.F.?
Researchers found that a plurality of employees surveyed wanted to work at home full time, and the second-largest group preferred the workplace full time. By Chase DiFeliciantonio
Real Estate
‘Stale’ home listings have skyrocketed in one part of the Bay Area. Here’s what it means
The Oakland area in July saw the country’s biggest increase in share of homes sitting on the market unsold for more than a month, compared with the same time last year, new data shows. But that doesn’t mean Oakland’s market has suddenly gone ice... By Kellie Hwang
Bay Area
Is Lowell segregated? Here’s how every S.F. school scores on a racial ‘divergence’ index
San Francisco schools are often extremely segregated. We look at which schools are most diverse and least diverse using an academically-supported formula, and why that might be. By Nami Sumida
San Francisco
Poop complaints have swelled in all San Francisco neighborhoods — except this one
Since 2012, San Francisco’s 311 hotline has received over 230,000 complaints about human or animal waste. By Adriana Rezal
Climate
California drought: Why more than 530,000 acres of farmlands are now left barren
In August 2022, there were 531,000 acres of unplanted farmland in California. By Yoohyun Jung
Justin Phillips
A coalition of AAPI groups says the far right is targeting its communities with disinformation
A study says manipulative social media accounts are using viral crime stories to stoke division between Black and Asian communities. A coalition of Asian American and Pacific Islander groups is sounding the warning. By Justin Phillips
Bay Area
Where do San Francisco’s Millennials move to the city from? Here’s what the data says
Where do San Francisco's young adults come from? We explore newly released incredibly detailed data on the topic. By Susie Neilson
Politics
Tesla neighborhoods: These are the Bay Area ZIP codes with the most electric vehicles
Bay Area drivers are far more likely to own electric cars in communities with a higher average income and more single-family homes — a problem state and federal officials want to alleviate by offering incentives and rebates. By Dustin Gardiner and Yoohyun Jung
Real Estate
How Bay Area home prices would hold up in a recession compared to the cities where so many have...
While a potential recession would have a negative impact on the Bay Area’s housing market, its effects would probably be worse in U.S. metropolitan areas that saw a pandemic influx of people from places like San Francisco and San Jose, a new... By Kellie Hwang
Climate
Amid drought, some California communities are forced to rely on hauled-in or bottled water. This...
Small and rural communities are more vulnerable to drought. By Yoohyun Jung
Bay Area
There’s one hour of the week where Bay Bridge traffic is surpassing pre-pandemic levels
Traffic on the popular Bay Bridge has nearly rebounded to 2019 levels with slight changes to its busiest days and peak congestion times. By Ricardo Cano
San Francisco
These charts show exactly where San Francisco’s wealthiest people moved in the pandemic
Data from the IRS show the difference between where richer and poorer San Franciscans fled to at the height of the pandemic. By Susie Neilson
Heather Knight
‘What exactly are they doing?’: 45 S.F. traffic cops issue just 10 citations combined a day
Dangerous driving in San Francisco is prevalent, but police issue just 10 traffic citations a day — a huge drop from 74 a day just three years ago. “What exactly are they doing?” asked a data analyst who shared his findings with columnist Heather... By Heather Knight
Bay Area
The price gap between renting and buying Bay Area homes reaches new high
The cost gap between renting and owning has spiked in the Bay Area. Here’s what this key metric, known as the price-to-rent ratio, means for the housing market. By Kellie Hwang
Bay Area
Nearly every Bay Area city lost kids over the last decade — except this one. Here’s why
Which Bay Area cities have the most kids? We analyzed census data to find out. By Susie Neilson