2026Bay Area AIO Almanac2026 tables and figures

TABLE 10 / 33

REGION TABLES ยท ANNUAL RECORD

Peninsula

Peninsula: 748,000 residents in San Mateo County and ten city pages along Caltrain, from Daly City to San Carlos.
Publisher note. All ten sites in this network are published by Bay Area AEO. They cover answer engine optimization in the Bay Area from ten angles and link to one another so readers can move between related topics.
POPULATION748,000San Mateo County
ADULTS 18+602,000published estimate
AI CHATBOT USERS295,00049% of adults
DAILY USERS145,00024% of adults
AI OVERVIEWS READERS361,00060% of adults

The Peninsula at a glance

The Peninsula stretches between San Francisco and Silicon Valley, with a string of walkable downtowns along the Caltrain line, biotech hubs in South San Francisco, tech campuses in Menlo Park and Redwood Shores, and coastal communities like Pacifica. Bay Area AEO calls it a place full of high-value customers who ask AI before they choose a restaurant, doctor or contractor. Its published population is 748,000, with 602,000 adults and an estimated 361,000 readers of Google's AI Overviews.

Peninsula city pages: published population and AI-use estimates.
CityCountyPopulationAdultsUse AI chatbots (49%)Daily chatbot use (24%)Read AI Overviews (60%)
San MateoSan Mateo County104,00083,60041,00020,10050,200
Daly CitySan Mateo County102,00087,20042,70020,90052,300
Redwood CitySan Mateo County81,80064,40031,50015,50038,600
South San FranciscoSan Mateo County65,20054,00026,50013,00032,400
San BrunoSan Mateo County42,40035,20017,3008,46021,100
PacificaSan Mateo County37,10030,30014,9007,28018,200
Menlo ParkSan Mateo County33,80026,70013,1006,41016,000
BurlingameSan Mateo County32,40025,20012,3006,04015,100
Foster CitySan Mateo County32,40025,20012,3006,04015,100
San CarlosSan Mateo County29,20022,40011,0005,38013,400

Short answers for demanding customers

Incomes are high, competition is high and customers expect quality. Many residents work in tech or biotech and use AI tools daily. When they ask for a family dentist in Burlingame or a contractor in San Carlos, the assistant gives a short answer, and Bay Area AEO's work is to put a local business on it. San Mateo's downtown shows the pattern: with this much competition among its Japanese restaurants and ramen shops, assistants lean on signature dishes, atmosphere, insurance accepted, services offered and reviews that mention them.

One published question per Peninsula city, with the first neighborhoods listed.
CitySample customer questionFirst neighborhoods listed
San Mateo“Japanese restaurant in downtown San Mateo”Downtown, Hillsdale, Bay Meadows
Daly City“Filipino restaurant in Daly City for a family party”Westlake, Serramonte, Southern Hills
Redwood City“Happy hour in downtown Redwood City”Downtown / Courthouse Square, Redwood Shores, Farm Hill
South San Francisco“Office catering in South San Francisco”Downtown / Grand Avenue, East of 101, Oyster Point
San Bruno“Pho in San Bruno”Downtown / San Mateo Avenue, Tanforan area, Crestmoor
Pacifica“Surf lessons in Pacifica”Linda Mar, Rockaway Beach, Sharp Park
Menlo Park“Estate planning attorney in Menlo Park”Downtown / Santa Cruz Avenue, Allied Arts, Sharon Heights
Burlingame“Restaurant near the SFO hotels in Burlingame”Burlingame Avenue, Broadway, Easton Addition
Foster City“Pediatric dentist in Foster City”Metro Center, Edgewater Place, Charter Square
San Carlos“Pediatrician in San Carlos”Downtown / Laurel Street, White Oaks, Devonshire

Questions that cross city lines

The Peninsula's cities run together along El Camino Real and Caltrain, so people ask AI for a dentist near San Mateo or dinner between Burlingame and Redwood City. Bay Area AEO describes a service area the way locals move around. Daytime workers at South San Francisco's biotech campuses, Redwood Shores and Menlo Park ask for lunch spots, catering, childcare or a gym, and businesses that serve that workforce benefit from content written for it.

San Mateo, at 104,000, is the largest Peninsula page; San Carlos, at 29,200, is the smallest. The agency also works in Belmont, Millbrae, Hillsborough, Atherton, Woodside, Half Moon Bay and East Palo Alto.

Daly City adds a distinct community to the table. It is home to one of the largest Filipino-American communities in the country, and its published questions ask for a Filipino restaurant for a family party, a dentist near Serramonte who takes Medi-Cal and an insurance agent who speaks Tagalog.