San Mateo County, California demographics

Population: 762,488
Median age: 40.0

Median household income: 136,837

Demographics, population, home values, social and economic characteristics of San Mateo County, California.

Population

2021762,488
2020765,623
2019767,423
2018765,935
2017763,450
2016754,748
2015748,731
2014739,837
2013729,543
2012721,183
2011711,622
2010704,327
2009701,886

San Mateo County, CA cities

Atherton town - 7,181

Belmont city - 28,109

Brisbane city - 4,803

Broadmoor CDP - 4,487

Burlingame city - 31,142

Colma town - 1,353

Daly City city - 104,914

East Palo Alto city - 29,888

El Granada CDP - 5,842

Emerald Lake Hills CDP - 4,545

Foster City city - 33,511

Half Moon Bay city - 11,792

Hillsborough town - 11,390

La Honda CDP - 1,279

Ladera CDP - 1,449

Loma Mar CDP - 252

Menlo Park city - 33,677

Millbrae city - 23,083

Montara CDP - 2,879

Moss Beach CDP - 3,227

North Fair Oaks CDP - 14,360

Pacifica city - 38,595

Pescadero CDP - 362

Portola Valley town - 4,458

Redwood City city - 83,905

San Bruno city - 43,775

San Carlos city - 30,754

San Mateo city - 105,087

South San Francisco city - 66,331

West Menlo Park CDP - 3,492

Woodside town - 5,316

Census data for San Mateo County, California

Demographic and housing estimates in San Mateo County, California

Total population
Total population762,488
Male379,626
Female382,862
Population by age
Total population762,488
Under 5 years41,711
5 to 9 years43,385
10 to 14 years43,955
15 to 19 years41,310
20 to 24 years40,420
25 to 34 years112,110
35 to 44 years110,689
45 to 54 years105,173
55 to 59 years52,626
60 to 64 years47,240
65 to 74 years71,112
75 to 84 years34,879
85 years and over17,878
Median age (years)40.0
Under 18 years155,785
16 years and over625,530
18 years and over606,703
21 years and over584,595
62 years and over151,602
65 years and over123,869
Population by race
Total population762,488
One race693,923
   White349,707
   Black or African American17,999
   American Indian and Alaska Native5,477
   Asian227,862
   Native Hawaiian and Other Pacific Islander9,308
   Some other race83,570
Two or more races68,565
Citizen, voting age population
Citizen, VOTING AGE 18 and over population504,887
Male Citizen, VOTING AGE 18 and over population247,131
Female Citizen, VOTING AGE 18 and over population257,756

Social characteristics in San Mateo County, California

Households by type
Total households264,892
Family households (families)146,786
Married-couple family15,610
Male householder, no wife present, family41,898
Female householder, no husband present, family26,568
Nonfamily households60,598
Average household size83,805
Average family size2.84

Economic characteristics in San Mateo County, California

Income and benefits (in inflation-adjusted dollars)
Total households264,892
Less than $10,0006,911
$10,000 to $14,9995,123
$15,000 to $24,9999,577
$25,000 to $34,9999,852
$35,000 to $49,99915,493
$50,000 to $74,99925,815
$75,000 to $99,99925,325
$100,000 to $149,99944,869
$150,000 to $199,99933,649
$200,000 or more88,278
Median household income (dollars)136,837

Housing characteristics in San Mateo County, California

Housing occupancy
Total housing units282,570
Occupied housing units264,892
Vacant housing units17,678
Units in structure
Total housing units282,570
1-unit, detached158,774
1-unit, attached24,022
2 units6,678
3 or 4 units12,828
5 to 9 units16,778
10 to 19 units16,638
20 or more units43,482
Mobile home3,074
Boat, RV, van, etc.296
Year structure built
Total housing units282,570
Built 2014 or later398
Built 2010 to 201312,543
Built 2000 to 200915,188
Built 1990 to 199917,128
Built 1980 to 198926,467
Built 1970 to 197947,219
Built 1960 to 196948,629
Built 1950 to 195962,637
Built 1940 to 194928,742
Built 1939 or earlier23,619
Rooms
Total housing units282,570
1 room13,170
2 rooms15,618
3 rooms35,999
4 rooms49,077
5 rooms48,952
6 rooms44,489
7 rooms30,675
8 rooms21,224
9 rooms or more23,366
Median rooms5.1
Bedrooms
Total housing units282,570
No bedroom14,789
1 bedroom42,403
2 bedrooms72,647
3 bedrooms91,738
4 bedrooms46,966
5 or more bedrooms14,027
Housing tenure
Occupied housing units264,892
Owner-occupied158,281
Renter-occupied106,611
Average household size of owner-occupied unit2.94
Average household size of renter-occupied unit2.69
Year householder moved into unit
Occupied housing units264,892
Moved in 2017 or later24,335
Moved in 2015 to 201665,253
Moved in 2010 to 201446,334
Moved in 2000 to 200955,280
Moved in 1990 to 199932,329
Moved in 1989 and earlier41,361
Value
Owner-occupied units158,281
Less than $50,0002,111
$50,000 to $99,999887
$100,000 to $149,9991,152
$150,000 to $199,999596
$200,000 to $299,9991,140
$300,000 to $499,9993,422
$500,000 to $999,99942,454
$1,000,000 or more106,519
Median (dollars)1,225,900
Mortgage status
Owner-occupied units158,281
Housing units with a mortgage109,518
Housing units without a mortgage48,763
Gross rent
Occupied units paying rent103,653
Less than $5002,489
$500 to $9993,083
$1,000 to $1,4997,197
$1,500 to $1,99914,836
$2,000 to $2,49920,694
$2,500 to $2,99917,817
$3,000 or more37,537
Median (dollars)2,599
No rent paid2,958

Demographic data for San Mateo County, CA and each city in the county. Lists of cities by population, wealth and poverty in San Mateo County, CA.

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