29,797 people live in San Carlos, where the median age is 41.6 and the average individual income is $126,389. Data provided by the U.S. Census Bureau.
Total Population
Median Age
Population Density Population Density This is the number of people per square mile in a neighborhood.
Average individual Income
San Carlos, California — At a Glance
The Key Facts About San Carlos Real Estate and Living
County
San Mateo
Zip Codes
94070
Population
~31,000
Median Home Price
$1.8M – $2.8M+
School District
San Carlos K–8 + Sequoia Union HSD
Caltrain Access
San Carlos Station (Baby Bullet stop)
Drive to SF
~30 min (Caltrain or 101)
Nickname
"City of Good Living"
San Carlos is in San Mateo County, zip code 94070, with a population of approximately 31,000. It sits between Belmont to the north and Redwood City to the south, with direct Caltrain access on the Baby Bullet line. The San Carlos School District is consistently ranked among the top K–8 public school districts in California — one of the primary reasons families choose San Carlos over neighboring Peninsula communities at comparable price points.
Looking at San Carlos real estate?
San Carlos offers Palo Alto school quality at Redwood City price points
The San Carlos School District consistently outperforms neighboring districts at significantly lower entry prices than Palo Alto or Menlo Park. Inventory moves quickly — Drew Doran tracks San Carlos listings before they hit the MLS and has relationships across the local market.
San Carlos earned its "City of Good Living" nickname through a combination of factors that most Peninsula cities can't replicate simultaneously: a walkable downtown on Laurel Street, a top-ranked K–8 public school district, Caltrain Baby Bullet access to San Francisco in under 30 minutes, and a residential character that is genuinely family-focused rather than transient. The rolling hills above downtown offer Bay views, and the flat grid below provides the kind of neighborhood walkability — coffee shops, restaurants, farmers market — that residents in more affluent but less practical Peninsula markets often lack.
San Carlos sits in a value pocket between Redwood City to the south and Belmont to the north. Homes range from $1.8M for a well-maintained ranch on a standard lot to $3M+ for a remodeled hillside property with Bay views. The price differential versus Menlo Park or Palo Alto is meaningful — and the school district quality gap is much smaller than the price gap suggests. For families with school-age children who work in the South Bay or San Francisco, San Carlos is often the most rational choice on the Peninsula.
San Carlos is often the best value play for families who need school quality, Caltrain access, and walkable downtown amenities — but don't need the prestige premium of Palo Alto or Menlo Park.
| Community | County | Median Price | School Quality | Caltrain | Best For |
|---|---|---|---|---|---|
| San Carlos | San Mateo | $1.8M – $2.8M | Top K–8 in CA | Baby Bullet stop | Families, value-focused buyers, commuters |
| Belmont | San Mateo | $1.6M – $2.4M | Strong — Belmont-Redwood Shores USD | Yes | Entry-level Peninsula, hillside views |
| Redwood City | San Mateo | $1.4M – $2.2M | Good — Redwood City ESD | Yes (multiple stops) | Active downtown, lower entry price |
| Menlo Park | San Mateo | $2.5M – $5M+ | Excellent — Las Lomitas / Ravenswood | Yes | Sand Hill Rd proximity, prestige |
| Palo Alto | Santa Clara | $3.5M – $8M+ | Top-ranked — PAUSD | Yes | Stanford proximity, walkable luxury |
The San Carlos School District serves K–8 and is consistently ranked among the top five public elementary/middle districts in California — often cited as the primary reason families choose San Carlos over adjacent communities at lower price points. High school students attend Carlmont High School in the Sequoia Union High School District, which offers strong AP and IB programs.
San Carlos' downtown is anchored by Laurel Street — a walkable commercial corridor with a density of independent restaurants, coffee shops, and wine bars that punches above its size for a Peninsula suburb.
The primary community park in San Carlos, Burton Park features scenic walking trails through redwood groves, a children's playground, sports facilities, a performance stage, and a dedicated fenced dog park. Flanagan Field within the park hosts Summer Movie Nights from June through August — outdoor screenings at sunset, free to attend.
The San Carlos Art & Wine Faire in October brings 250+ artists, food and drink vendors, and live entertainment across three stages. The Night of Holiday Lights in December is a family-focused winter festival with carolers, holiday shows, and a snow machine in the downtown plaza.
San Carlos's western edge borders the hills of the Peninsula, providing quick access to the San Francisco Bay Trail along the Bay shoreline, Belmont Creek Trail, and the open space preserves of the San Mateo County parks system. The combination of Bay access to the east and hillside trails to the west gives San Carlos an outdoor range unusual for a city of its density.
San Carlos is in San Mateo County, California. Zip code 94070. It is situated between Belmont to the north and Redwood City to the south, and is entirely within San Mateo County.
San Carlos consistently ranks among the top Peninsula communities for families. It offers a top-ranked K–8 public school district, walkable downtown on Laurel Street, Caltrain Baby Bullet access, Bay views from the hillside neighborhoods, and home prices that are meaningfully below Palo Alto and Menlo Park while delivering comparable school quality. The "City of Good Living" nickname reflects a community that has maintained a genuine neighborhood character despite Silicon Valley proximity.
The San Carlos School District serves K–8 and is consistently ranked among the top five public elementary/middle school districts in California. High school students attend Carlmont High School in the Sequoia Union High School District. The school district is one of the most commonly cited reasons families choose San Carlos over adjacent communities at lower price points.
San Carlos is approximately 25 miles south of San Francisco — roughly 30 minutes on the Caltrain Baby Bullet, which makes a direct stop at San Carlos Station. By car on 101, the commute runs 30–45 minutes depending on traffic.
Median home prices in San Carlos range from approximately $1.8M for a standard lot single-family home to $2.8M+ for a remodeled property or hillside home with Bay views. The market is competitive — well-priced homes routinely receive multiple offers within the first week of listing.
San Carlos sits at the center of the mid-Peninsula residential corridor. The communities immediately adjacent each offer a variation on the core Peninsula proposition — school quality, Caltrain access, and proximity to South Bay and San Francisco employment.
There's plenty to do around San Carlos, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.
Explore popular things to do in the area, including Brogue, Behind The Glass, and CA Sculpt Pilates.
| Name | Category | Distance | Reviews |
Ratings by
Yelp
|
|---|---|---|---|---|
| Shopping | 0.72 miles | 6 reviews | 5/5 stars | |
| Shopping | 1.07 miles | 7 reviews | 5/5 stars | |
| Active | 1.57 miles | 9 reviews | 5/5 stars | |
| Active | 2.56 miles | 7 reviews | 5/5 stars | |
| Active | 1.09 miles | 29 reviews | 5/5 stars | |
| Active | 3.4 miles | 13 reviews | 5/5 stars | |
| Active | 0.99 miles | 6 reviews | 5/5 stars | |
| Active | 1.8 miles | 18 reviews | 5/5 stars | |
| Active | 1.67 miles | 22 reviews | 5/5 stars | |
| Active | 0.74 miles | 5 reviews | 5/5 stars | |
| Active | 1.67 miles | 19 reviews | 5/5 stars | |
| Beauty | 0.67 miles | 13 reviews | 5/5 stars | |
| Beauty | 1.43 miles | 39 reviews | 5/5 stars | |
| Beauty | 2.56 miles | 25 reviews | 5/5 stars | |
| Beauty | 3.72 miles | 16 reviews | 5/5 stars | |
| Beauty | 0.46 miles | 7 reviews | 5/5 stars | |
| Beauty | 0.94 miles | 56 reviews | 5/5 stars | |
| Beauty | 1.58 miles | 19 reviews | 5/5 stars | |
| Beauty | 0.95 miles | 25 reviews | 5/5 stars | |
| Beauty | 0.94 miles | 78 reviews | 5/5 stars | |
| Beauty | 0.88 miles | 30 reviews | 5/5 stars | |
| Beauty | 2.18 miles | 5 reviews | 5/5 stars | |
| Beauty | 0.93 miles | 7 reviews | 5/5 stars | |
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San Carlos has 11,052 households, with an average household size of 2.68. Data provided by the U.S. Census Bureau. Here’s what the people living in San Carlos do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 29,797 people call San Carlos home. The population density is 5,505.87 and the largest age group is Data provided by the U.S. Census Bureau.
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Population Density Population Density This is the number of people per square mile in a neighborhood.
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