Population by age
Total population	282,771
Under 5 years	12,717
5 to 9 years	13,750
10 to 14 years	14,955
15 to 19 years	22,215
20 to 24 years	28,811
25 to 34 years	32,393
35 to 44 years	32,110
45 to 54 years	30,345
55 to 59 years	18,106
60 to 64 years	20,135
65 to 74 years	34,783
75 to 84 years	15,853
85 years and over	6,598
Median age (years)	39.7
Under 18 years	50,215
16 years and over	238,701
18 years and over	232,556
21 years and over	211,687
62 years and over	69,520
65 years and over	57,234

Population by race
Total population	282,771
One race	255,707
White	225,822
Black or African American	4,237
American Indian and Alaska Native	2,371
Asian	10,137
Native Hawaiian and Other Pacific Islander	309
Some other race	12,831
Two or more races	27,064

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	220,033
Male Citizen, VOTING AGE 18 and over population	111,731
Female Citizen, VOTING AGE 18 and over population	108,302

Social characteristics in San Luis Obispo County, California

Households by type
Total households	106,790
Family households (families)	53,561
Married-couple family	6,987
Male householder, no wife present, family	18,933
Female householder, no husband present, family	11,782
Nonfamily households	27,309
Average household size	40,454
Average family size	2.50

Economic characteristics in San Luis Obispo County, California

Income and benefits (in inflation-adjusted dollars)
Total households	106,790
Less than $10,000	4,970
$10,000 to $14,999	3,304
$15,000 to $24,999	6,404
$25,000 to $34,999	7,739
$35,000 to $49,999	10,553
$50,000 to $74,999	16,343
$75,000 to $99,999	13,007
$100,000 to $149,999	21,150
$150,000 to $199,999	10,866
$200,000 or more	12,454
Median household income (dollars)	82,514

Housing characteristics in San Luis Obispo County, California

Housing occupancy
Total housing units	123,033
Occupied housing units	106,790
Vacant housing units	16,243

Units in structure
Total housing units	123,033
1-unit, detached	83,721
1-unit, attached	7,111
2 units	4,132
3 or 4 units	6,384
5 to 9 units	4,795
10 to 19 units	3,165
20 or more units	4,144
Mobile home	9,350
Boat, RV, van, etc.	231

Year structure built
Total housing units	123,033
Built 2014 or later	173
Built 2010 to 2013	7,541
Built 2000 to 2009	18,558
Built 1990 to 1999	14,810
Built 1980 to 1989	25,687
Built 1970 to 1979	24,004
Built 1960 to 1969	12,378
Built 1950 to 1959	8,909
Built 1940 to 1949	4,743
Built 1939 or earlier	6,230

Rooms
Total housing units	123,033
1 room	3,093
2 rooms	3,999
3 rooms	10,869
4 rooms	23,716
5 rooms	26,146
6 rooms	24,059
7 rooms	13,988
8 rooms	8,547
9 rooms or more	8,616
Median rooms	5.3

Bedrooms
Total housing units	123,033
No bedroom	3,617
1 bedroom	11,265
2 bedrooms	36,685
3 bedrooms	51,580
4 bedrooms	17,308
5 or more bedrooms	2,578

Housing tenure
Occupied housing units	106,790
Owner-occupied	66,651
Renter-occupied	40,139
Average household size of owner-occupied unit	2.50
Average household size of renter-occupied unit	2.49

Year householder moved into unit
Occupied housing units	106,790
Moved in 2017 or later	10,930
Moved in 2015 to 2016	31,813
Moved in 2010 to 2014	19,197
Moved in 2000 to 2009	22,637
Moved in 1990 to 1999	12,183
Moved in 1989 and earlier	10,030

Value
Owner-occupied units	66,651
Less than $50,000	1,501
$50,000 to $99,999	940
$100,000 to $149,999	868
$150,000 to $199,999	811
$200,000 to $299,999	2,589
$300,000 to $499,999	14,141
$500,000 to $999,999	37,143
$1,000,000 or more	8,658
Median (dollars)	630,600

Mortgage status
Owner-occupied units	66,651
Housing units with a mortgage	43,000
Housing units without a mortgage	23,651

Gross rent
Occupied units paying rent	38,349
Less than $500	1,330
$500 to $999	4,295
$1,000 to $1,499	10,003
$1,500 to $1,999	11,497
$2,000 to $2,499	5,683
$2,500 to $2,999	2,832
$3,000 or more	2,709
Median (dollars)	1,654
No rent paid	1,790

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

Links

US demographics

California demographics