Population.us > Counties > California > San Luis Obispo County

Population of San Luis Obispo County

Last official estimated population of San Luis Obispo County was 269,860 (year 2014)[1]. This was 0.085% of total US population and 0.7% of total California state population. Area of San Luis Obispo County is 3,615.5 mi² (=9364.1 km²), in this year population density was 74.64 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), San Luis Obispo County population in 2021 would be 270,251 [0].


Historical population

Historical population of San Luis Obispo County for period 1850-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1850-1860] +18.16 %/yr
[1860-1870] +10.35 %/yr
[1870-1880] +6.72 %/yr
[1880-1890] +5.8 %/yr
[1890-1900] +0.35 %/yr
[1900-1910] +1.54 %/yr
[1910-1920] +1.23 %/yr
[1920-1930] +3.07 %/yr
[1930-1940] +1.16 %/yr
[1940-1950] +4.46 %/yr
[1950-1960] +4.66 %/yr
[1960-1970] +2.69 %/yr
[1970-1980] +3.93 %/yr
[1980-1990] +3.4 %/yr
[1990-2000] +1.29 %/yr
[2000-2005] +0.94 %/yr
[2005-2010] +0.84 %/yr
[2010-2014] +0.02 %/yr

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Demography

Population of San Luis Obispo County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 6971 6519 13,490
5 to 9 7196 6957 14,153
10 to 14 7167 6895 14,062
15 to 19 11406 10570 21,976
20 to 24 17205 13546 30,751
25 to 29 8617 7210 15,827
30 to 34 8902 7846 16,748
35 to 39 7930 6828 14,758
40 to 44 7905 6904 14,809
45 to 49 8204 7344 15,548
50 to 54 9235 9296 18,531
55 to 59 9479 10518 19,997
60 to 64 9414 10042 19,456
65 to 69 8078 8364 16,442
70 to 74 5454 6075 11,529
75 to 79 3590 4307 7,897
80 to 84 2660 3312 5,972
85+ 2719 4418 7,137

San Luis Obispo County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
WAC 129635 127520 257,155
WA 125126 123251 248,377
NH 109860 107702 217,562
NHWAC 99734 100586 200,320
NHWA 96423 97539 193,962
H 32272 29249 61,521
HWAC 29901 26934 56,835
HWA 28703 25712 54,415
AAC 7624 7464 15,088
NHAAC 6736 6548 13,284
AA 5336 5370 10,706
NHAA 4849 4856 9,705
TOM 4860 4613 9,473
BAC 5524 2443 7,967
IAC 3811 3786 7,597
NHTOM 3554 3273 6,827
NHBAC 4820 1777 6,597
BA 4542 1506 6,048
NHBA 4069 1090 5,159
HIAC 1990 2004 3,994
IA 1951 1931 3,882
NHIAC 1821 1782 3,603
HTOM 1306 1340 2,646
HIA 1212 1202 2,414
HAAC 888 916 1,804
NHIA 739 729 1,468
NAC 721 658 1,379
HBAC 704 666 1,370
NHNAC 538 501 1,039
HAA 487 514 1,001
HBA 473 416 889
NA 317 280 597
NHNA 226 215 441
HNAC 183 157 340
HNA 91 65 156

Counties near San Luis Obispo County

Fresno County population 104.8 mi, 24°
Kern County 96.8 mi, 91°
Ventura County 102.9 mi, 133°
Tulare County 110.1 mi, 58°
Santa Barbara County 63 mi, 158°
Monterey County 76.5 mi, 320°
Merced County 126 mi, 353°
Kings County 59.3 mi, 36°
Madera County 131.9 mi, 17°
San Benito County 91.9 mi, 337°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, archived from the original, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016

[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

California Notes

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