The Town Files

San Carlos, California

City in San Mateo County · population 30,722 (2020 Census)

Map: where San Carlos is in CaliforniaSan Carlos
Median home
$2,000,001
Household income
$237,470
Jan low / Jul high
41° / 81°
Snow a year
0 in
Tornadoes ≤10 mi since 1950
2
Median age
41.7

San Carlos is a city of 30,722 people in San Mateo County, California. The median home is worth $2,000,001, above the typical California town ($596,900). It ranks more upscale than 95% of California towns, better for cycling than 92% of California towns, better transit than 91% of California towns.

How San Carlos ranks

Percentile among California towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of California towns.

San Carlos lifestyle rankings vs other California townsRetirement54th pctFamilies88th pctQuiet31st pctWalkability89th pctFirst-time buyers32nd pctYoung professionals86th pctVibrancy72nd pctHip & trendy83rd pctCollege town70th pctUpscale95th pctVacation homesbottomSeaside character88th pctCycling92nd pctTransit91st pctDriving10th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in San Carlos is worth $2,000,001, above the typical California town ($596,900). Homes cost about 8.4 times the median household income of $237,470, which is more affordable than 21% of California towns. Median rent is $2,854 a month. 67.8% of households own their home.

San Carlos vs San Mateo County vs typical California townSan CarlosSan Mateo CountyTypical California townHome value$2,000,001$1,559,600$596,900Household income$237,470$158,855$91,557Monthly rent$2,854$2,922$1,827
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of California towns with 500+ people.
HousingSan CarlosTypical California town
Median home value$2,000,001$596,900
Median rent$2,854$1,827
Median household income$237,470$91,557
Home value ÷ income8.4×6.4×
Homeownership67.8%67.4%
Median year built19621977
Seasonal / vacation homes0.9%—

Who lives in San Carlos

PeopleSan CarlosTypical California town
Median age41.740.2
Age 65 and over16.5%17.7%
Under 1823.4%—
Bachelor's degree or higher70.2%27.7%
Below the poverty line3.3%10.3%
Veterans2.4%—
Born outside the U.S.25.9%—
Work from home35.0%13.4%
Average commute24.6 min27.5 min
Homes with broadband98.5%93.3%

Weather in San Carlos

July highs average 81.0°F and January lows 40.5°F. About 19.0 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical California town: 0.0 in). Expect about 18 days a year at 90°F or hotter and 6 nights at or below freezing.

San Carlos monthly temperatures and precipitation40°50°60°70°80°90°59°41°Jan62°43°Feb65°45°Mar69°47°Apr73°50°May79°54°Jun81°57°Jul81°57°Aug79°54°Sep75°50°Oct65°44°Nov59°40°DecPrecipitation (in)3.83.63.01.10.50.20.00.00.10.91.93.9
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Redwood City station (2.2 mi away).

Tornadoes, storms and disasters

2 tornadoes have passed within 10 miles of San Carlos since 1950, compared with 2 for the typical California town. The strongest, an F0, struck on February 7, 1998 about 9.1 miles from the town center. The most recent was on February 7, 1998.

Tornadoes within 10 miles of San Carlos by decade11950s01960s01970s01980s11990s02000s02010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Severe weather in San Mateo County since 1996

Storm events in San Mateo County since 1996 by typeHeat16Flood64Dense Fog17High Surf31High Wind125Heavy Rain12Debris Flow27Flash Flood33
NOAA Storm Events Database, San Mateo County, 1996–2026 (all event types recorded since 1996). 37 deaths recorded.

San Mateo County has been included in 24 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.

DeclaredIncidentDeclaration
April 3, 2023Severe StormDR-4699: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides
March 10, 2023FloodEM-3592: Severe Winter Storms, Flooding, Landslides, And Mudslides
January 14, 2023FloodDR-4683: Severe Winter Storms, Flooding, Landslides, And Mudslides
January 9, 2023FloodEM-3591: Severe Winter Storms, Flooding, And Mudslides
August 22, 2020FireDR-4558: Wildfires

Jobs and pay in San Mateo County

San Mateo County had 416,422 jobs in 2024, paying an average of $196,441 a year. Unemployment was 3% in 2023; in San Carlos itself the ACS puts it at 5%.

Largest industries in San Mateo CountyProfessional & technical serv…71,055 jobs · $269,835Health care & social assistan…47,203 jobs · $92,649Information43,524 jobs · $669,097Hotels & restaurants36,653 jobs · $44,003Retail29,358 jobs · $57,015Transportation & warehousing23,390 jobs · $87,011
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in San Mateo County, 2000–20230%2%4%6%8%10%2000200420082012201620202023San Mateo 3%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in San Carlos

10 public schools with 3,132 students, about 21.2 students per teacher.

SchoolGradesStudentsPer teacher
Tierra Linda Middle6-845819.9
Central Middle6-843421.7
Arundel ElementaryK-337622.1
Brittan Acres ElementaryK-337221.9
San Carlos Charter Learning Center (charter)K-836720.4
Heather ElementaryK-330819.3
Arroyo4-528723.9
Mariposa4-528620.4
White Oaks ElementaryK-324422.2
San Carlos Student Services PreschoolOther——

Towns near San Carlos

San Carlos questions

Is San Carlos, California a good place to retire?

On The Town Files lifestyle rankings, San Carlos scores better for retirees than 54% of California towns and quieter than 31%. 16.5% of residents are 65 or older (median age 41.7).

How much does a house cost in San Carlos?

The median owner-occupied home in San Carlos is valued at $2,000,001 (Census ACS 2020–2024), against a median household income of $237,470, so homes cost about 8.4 times income. Median rent is $2,854 a month.

What is the weather like in San Carlos?

July highs average 81.0°F and January lows 40.5°F (NOAA 1991–2020 normals). It gets about 19.0 inches of precipitation a year and 0.0 inches of snow.

Does San Carlos get tornadoes?

2 tornadoes have passed within 10 miles of San Carlos since 1950 (NOAA Storm Events); the strongest was a F0 on February 7, 1998. The typical California town has had 2.

How this page is made. Every number comes from public data, matched to San Carlos's Census boundary (GEOID 0665070). Comparisons use the median of California towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.