Demographic population totals Total population in Los Angeles County Total Population: 9,818,605 Male Population: 4,839,654 Female Population: 4,978,951 Demographic median age by sex Median age in Los Angeles County Both sexes 34 Male 33 Female 35 Demographic sex by age for the population in households Population in households in Los Angeles County Total Population: 9,646,924 Male Population: 4,741,026 Under 5 years: 329,734 5 to 9 years: 323,197 10 to 14 years: 346,168 15 to 17 years: 224,232 18 and 19 years: 145,109 20 years: 72,347 21 years: 71,592 22 to 24 years: 224,052 25 to 29 years: 379,159 30 to 34 years: 353,905 35 to 39 years: 350,507 40 to 44 years: 350,646 45 to 49 years: 342,094 50 to 54 years: 315,972 55 to 59 years: 263,309 60 and 61 years: 89,481 62 to 64 years: 118,525 65 and 66 years: 63,992 67 to 69 years: 81,569 70 to 74 years: 107,219 75 to 79 years: 80,298 80 to 84 years: 58,661 85 years and over: 49,258 Female Population: 4,905,898 Under 5 years: 315,039 5 to 9 years: 309,623 10 to 14 years: 331,190 15 to 17 years: 215,655 18 and 19 years: 136,525 20 years: 68,205 21 years: 68,462 22 to 24 years: 216,337 25 to 29 years: 370,696 30 to 34 years: 353,892 35 to 39 years: 357,214 40 to 44 years: 355,187 45 to 49 years: 354,342 50 to 54 years: 336,063 55 to 59 years: 288,999 60 and 61 years: 103,113 62 to 64 years: 134,658 65 and 66 years: 75,220 67 to 69 years: 97,986 70 to 74 years: 133,720 75 to 79 years: 107,830 80 to 84 years: 87,663 85 years and over: 88,279 Demographic average population of home by age Average household size in Los Angeles County Total: 2 Under 18 years: 0 18 years and over: 2 Demographic household type Number of occupied homes in Los Angeles County Total: 3,241,204 Family led homes: 2,194,080 Husband-wife family: 1,480,665 Other family: 713,415 Population of male led with no wife present: 216,368 Population female led with no husband present: 497,047 Population of Nonfamily homes: 1,047,124 Population living alone: 784,928 Population not living alone: 262,196 Demographic population of homes with people under 18 years old by type Total occupied homes in Los Angeles County with people under 18 years old: Total: 3,241,204 Population of homes with one or more people under 18 years: 1,220,021 Population of family homes: 1,210,425 Husband-wife family: 794,099 Under 6 years only: 171,933 Under 6 years and 6 to 17 years: 208,925 6 to 17 years only: 413,241 Other family: 416,326 Male householder, no wife present: 117,584 Under 6 years only: 28,466 Under 6 years and 6 to 17 years: 27,908 6 to 17 years only: 61,210 Female led with no husband present: 298,742 Under 6 years only: 53,562 Under 6 years and 6 to 17 years: 68,893 6 to 17 years only: 176,287 Nonfamily households: 9,596 Male led households: 6,303 Under 6 years only: 1,443 Under 6 years and 6 to 17 years: 785 6 to 17 years only: 4,075 Female led householder: 3,293 Under 6 years only: 816 Under 6 years and 6 to 17 years: 395 6 to 17 years only: 2,082 Households with no people under 18 years: 2,021,183 Family households: 983,655 Husband-wife family: 686,566 Other family: 297,089 Male led with no wife present: 98,784 Female led with no husband present: 198,305 Nonfamily households: 1,037,528 Male led householder: 504,229 Female led householder: 533,299 Demographic type of home by age of owner-renter Total number led homes in Los Angeles County, by type Total Home Population: 3,241,204 Population of Family homes: 2,194,080 Population of 15 to 24 year olds: 52,890 Population of 25 to 34 year olds: 324,003 Population of 35 to 44 year olds: 530,813 Population of 45 to 54 year olds: 549,086 Population of 55 to 59 year olds: 217,375 Population of 60 to 64 year olds: 168,292 Population of 65 to 74 year olds: 201,795 Population of 75 to 84 year olds: 112,270 Population of 85 year olds and over: 37,556 Population of Nonfamily Homes: 1,047,124 Population of 15 to 24 year olds: 64,855 Population of 25 to 34 year olds: 201,671 Population of 35 to 44 year olds: 159,919 Population of 45 to 54 year olds: 175,080 Population of 55 to 59 year olds: 89,112 Population of 60 to 64 year olds: 83,721 Population of 65 to 74 year olds: 122,834 Population of 75 to 84 year olds: 95,002 Population of 85 year olds and over: 54,930 Demographic population of homes with people 60 year olds and over households in Los Angeles County containing people over 60 Total Population: 3,241,204 Population of homes with one or more people 60 years and over: 1,077,231 1-person household: 315,665 2-or-more-person household: 761,566 Family households: 711,236 Nonfamily households: 50,330 Population of homes with no people 60 years and over: 2,163,973 1-person household: 469,263 2-or-more-person household: 1,694,710 Family homes: 1,482,844 Nonfamily homes: 211,866 Demographic population of multigenerational homes homes in Los Angeles County with multiple generations. Total Population: 3,241,204 Home has three or more generations: 260,014 Home does not have three or more generations: 2,981,190 Demographic presence of unmarried partner of home owner-renter Unmarried population in Los Angeles County under 18 years old in homes Total Population: 2,393,761 Total Population: 2,393,761 Unmarried partner of home lead present: 213,085 Unmarried partner of home lead present: 213,085 In family homes: 208,972 In family homes: 208,972 Population of male led and male partner homes: 6,371 Population of male led and male partner homes: 6,371 Population of male led and female partner households: 105,948 Population of male led and female partner households: 105,948 Population of female led and female partner households: 9,804 Population of female led and female partner households: 9,804 Population of female led and male partner households: 86,849 Population of female led and male partner households: 86,849 In nonfamily homes: 4,113 In nonfamily homes: 4,113 Population of male led and male partner homes: 87 Population of male led and male partner homes: 87 Population of male led and female partner homes: 3,207 Population of male led and female partner homes: 3,207 Population of female led and female partner homes: 233 Population of female led and female partner homes: 233 Population of female led and male partner homes: 586 Population of female led and male partner homes: 586 No unmarried partner of home lead present: 2,180,676 No unmarried partner of home lead present: 2,180,676 In family homes: 2,170,676 In family homes: 2,170,676 Population of husband-wife family homes: 1,598,399 Population of husband-wife family homes: 1,598,399 Population of male lead with no wife present, family homes: 106,467 Population of male lead with no wife present, family homes: 106,467 Population of female lead with no husband present, family homes: 465,810 Population of female lead with no husband present, family homes: 465,810 In nonfamily homes: 10,000 In nonfamily homes: 10,000 Demographic population in families by age Population in families living in Los Angeles County Total Population: 7,862,147 Total Population: 7,862,147 Population Under 18 years: 2,341,178 Population Under 18 years: 2,341,178 Population 18 years and over: 5,520,969 Population 18 years and over: 5,520,969 Demographic tenure of people in homes How long in Los Angeles County have lived in one place. Total: 3,241,204 Population of Owner occupied homes: 1,544,749 Family home: 1,187,572 Nonfamily homess: 357,177 Male led home: 154,974 Living alone: 113,313 Not living alone: 41,661 Female led home: 202,203 Living alone: 167,729 Not living alone: 34,474 Population of Renter occupied homes: 1,696,455 Family run homes: 1,006,508 Husband-wife family: 567,678 Other family: 438,830 Male led with no wife present: 130,864 Female led with no husband present: 307,966 Nonfamily Homes: 689,947 Male led homes: 355,558 Male living alone: 247,217 Male not living alone: 108,341 Female led homes: 334,389 Females living alone: 256,669 Females not living alone: 77,720