Population by Age in Baltimore County
*Base on 2010 Data
| Total population | 805,029 | 100.00% |
| Under 5 years | 48,074 | 5.97% |
| 5 to 9 years | 47,454 | 5.89% |
| 10 to 14 years | 49,231 | 6.12% |
| 15 to 19 years | 56,294 | 6.99% |
| 20 to 24 years | 57,772 | 7.18% |
| 25 to 29 years | 53,864 | 6.69% |
| 30 to 34 years | 49,691 | 6.17% |
| 35 to 39 years | 49,448 | 6.14% |
| 40 to 44 years | 53,396 | 6.63% |
| 45 to 49 years | 59,590 | 7.40% |
| 50 to 54 years | 61,626 | 7.66% |
| 55 to 59 years | 54,414 | 6.76% |
| 60 to 64 years | 46,699 | 5.80% |
| 65 to 69 years | 32,328 | 4.02% |
| 70 to 74 years | 24,142 | 3.00% |
| 75 to 79 years | 20,927 | 2.60% |
| 80 to 84 years | 19,398 | 2.41% |
| 85 years and over | 20,681 | 2.57% |
Male Population in Baltimore County
*Base on 2010 Data
| Male population | 380,409 | 47.25% |
| Under 5 years | 24,499 | 3.04% |
| 5 to 9 years | 24,242 | 3.01% |
| 10 to 14 years | 24,970 | 3.10% |
| 15 to 19 years | 28,293 | 3.51% |
| 20 to 24 years | 28,163 | 3.50% |
| 25 to 29 years | 25,729 | 3.20% |
| 30 to 34 years | 23,893 | 2.97% |
| 35 to 39 years | 23,273 | 2.89% |
| 40 to 44 years | 25,262 | 3.14% |
| 45 to 49 years | 27,986 | 3.48% |
| 50 to 54 years | 28,900 | 3.59% |
| 55 to 59 years | 25,505 | 3.17% |
| 60 to 64 years | 21,729 | 2.70% |
| 65 to 69 years | 14,664 | 1.82% |
| 70 to 74 years | 10,524 | 1.31% |
| 75 to 79 years | 8,623 | 1.07% |
| 80 to 84 years | 7,491 | 0.93% |
| 85 years and over | 6,663 | 0.83% |
Female Population in Baltimore County
*Base on 2010 Data
| Female population | 424,620 | 52.75% |
| Under 5 years | 23,575 | 2.93% |
| 5 to 9 years | 23,212 | 2.88% |
| 10 to 14 years | 24,261 | 3.01% |
| 15 to 19 years | 28,001 | 3.48% |
| 20 to 24 years | 29,609 | 3.68% |
| 25 to 29 years | 28,135 | 3.49% |
| 30 to 34 years | 25,798 | 3.20% |
| 35 to 39 years | 26,175 | 3.25% |
| 40 to 44 years | 28,134 | 3.49% |
| 45 to 49 years | 31,604 | 3.93% |
| 50 to 54 years | 32,726 | 4.07% |
| 55 to 59 years | 28,909 | 3.59% |
| 60 to 64 years | 24,970 | 3.10% |
| 65 to 69 years | 17,664 | 2.19% |
| 70 to 74 years | 13,618 | 1.69% |
| 75 to 79 years | 12,304 | 1.53% |
| 80 to 84 years | 11,907 | 1.48% |
| 85 years and over | 14,018 | 1.74% |
Median Age in Baltimore County
*Base on 2010 Data
| Both | 39.10% | |
| Male | 37.30% | |
| Female | 40.60% |
Race in Baltimore County
*Base on 2010 Data
| Total | 805,029 | 100.00% |
| Population of one race | 785,745 | 97.60% |
| White | 520,185 | 64.62% |
| Black or African American | 209,738 | 26.05% |
| American Indian and Alaska Native | 2,625 | 0.33% |
| Asian | 40,077 | 4.98% |
| Asian Indian | 10,549 | 1.31% |
| Chinese | 6,761 | 0.84% |
| Filipino | 7,280 | 0.90% |
| Japanese | 624 | 0.08% |
| Korean | 5,339 | 0.66% |
| Vietnamese | 2,132 | 0.26% |
| Other Asian | 7,392 | 0.92% |
| Native Hawaiian and Other Pacific Islander | 319 | 0.04% |
| Native Hawaiian | 69 | 0.01% |
| Guamanian or Chamorro | 114 | 0.01% |
| Samoan | 33 | 0.00% |
| Other Pacific Islander | 103 | 0.01% |
| Some Other Race | 12,801 | 1.59% |
| Population of Two or More Races | 19,284 | 2.40% |
| White; American Indian and Alaska Native | 1,984 | 0.25% |
| White; Asian | 3,571 | 0.44% |
| White; Black or African American | 6,259 | 0.78% |
| White; Some Other Race | 1,522 | 0.19% |
The Population 16 Years in Baltimore County
*Base on 2010 Data
| Total | 650,037 | 100.00% |
| Male | 301,498 | 46.38% |
| Female | 348,539 | 53.62% |
The Population 18 Years in Baltimore County
*Base on 2010 Data
| Total | 628,279 | 100.00% |
| Male | 290,284 | 46.20% |
| Female | 337,995 | 53.80% |
The Population 21 Years in Baltimore County
*Base on 2010 Data
| Total | 591,734 | 100.00% |
| Male | 272,415 | 46.04% |
| Female | 319,319 | 53.96% |
The Population 62 Years in Baltimore County
*Base on 2010 Data
| Total | 144,384 | 100.00% |
| Male | 60,476 | 41.89% |
| Female | 83,908 | 58.11% |
The Population 65 Years in Baltimore County
*Base on 2010 Data
| Total | 117,476 | 100.00% |
| Male | 47,965 | 40.83% |
| Female | 69,511 | 59.17% |
Race (total races tallied) in Baltimore County
*Base on 2010 Data
| White alone or in combination with one or more other races | 535,245 | 64.79% |
| Black or African American alone or in combination with one or more other races | 220,378 | 26.67% |
| American Indian and Alaska Native alone or in combination with one or more other races | 7,395 | 0.90% |
| Asian alone or in combination with one or more other races | 45,970 | 5.56% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 1,066 | 0.13% |
| Some Other Race alone or in combination with one or more other races | 16,128 | 1.95% |
Hispanic or Latino by Specific Origin in Baltimore County
*Base on 2010 Data
| Total | 805,029 | 100.00% |
| Hispanic or Latino (of any race) | 33,735 | 4.19% |
| Mexican | 7,461 | 0.93% |
| Puerto Rican | 5,523 | 0.69% |
| Cuban | 1,017 | 0.13% |
| Other Hispanic or Latino | 19,734 | 2.45% |
| Not Hispanic or Latino | 771,294 | 95.81% |
Hispanic or Latino and Race in Baltimore County
*Base on 2010 Data
| Total | 805,029 | 100.00% |
| Hispanic or Latino | 33,735 | 4.19% |
| White alone | 15,629 | 1.94% |
| Black or African American alone | 2,825 | 0.35% |
| American Indian and Alaska Native alone | 518 | 0.06% |
| Asian alone | 212 | 0.03% |
| Native Hawaiian and Other Pacific Islander alone | 64 | 0.01% |
| Some Other Race alone | 11,356 | 1.41% |
| Two or More Races | 3,131 | 0.39% |
| Not Hispanic or Latino | 771,294 | 95.81% |
| White alone | 504,556 | 62.68% |
| Black or African American alone | 206,913 | 25.70% |
| American Indian and Alaska Native alone | 2,107 | 0.26% |
| Asian alone | 39,865 | 4.95% |
| Native Hawaiian and Other Pacific Islander alone | 255 | 0.03% |
| Some Other Race alone | 1,445 | 0.18% |
| Two or More Races | 16,153 | 2.01% |
Relationship in Baltimore County
*Base on 2010 Data
| Total | 805,029 | 100.00% |
| In households | 784,248 | 97.42% |
| Householder | 316,715 | 39.34% |
| Spouse | 144,119 | 17.90% |
| Child | 221,400 | 27.50% |
| Own child under 18 years | 153,359 | 19.05% |
| Other relatives | 53,334 | 6.63% |
| Under 18 years | 19,114 | 2.37% |
| 65 years and over | 9,120 | 1.13% |
| Nonrelatives | 48,680 | 6.05% |
| Under 18 years | 3,182 | 0.40% |
| 65 years and over | 2,428 | 0.30% |
| Unmarried partner | 21,022 | 2.61% |
| In group quarters | 20,781 | 2.58% |
| Institutionalized population | 8,128 | 1.01% |
| Male | 3,504 | 0.44% |
| Female | 4,624 | 0.57% |
| Noninstitutionalized population | 12,653 | 1.57% |
| Male | 5,608 | 0.70% |
| Female | 7,045 | 0.88% |
Households by Type in Baltimore County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 316,715 | 100.00% |
| Family households (families) | 205,113 | 64.76% |
| With own children under 18 years | 87,703 | 27.69% |
| Husband-wife family | 144,119 | 45.50% |
| With own children under 18 years | 57,086 | 18.02% |
| Male householder, no wife present | 15,166 | 4.79% |
| With own children under 18 years | 6,783 | 2.14% |
| Female householder, no husband present | 45,828 | 14.47% |
| With own children under 18 years | 23,834 | 7.53% |
| Nonfamily households | 111,602 | 35.24% |
| Householder living alone | 89,478 | 28.25% |
| Male | 35,220 | 11.12% |
| 65 years and over | 9,269 | 2.93% |
| Female | 54,258 | 17.13% |
| 65 years and over | 25,306 | 7.99% |
Households with individuals under 18 years in Baltimore County
*Base on 2010 Data
| Total | 99,474 | 31.41% |
Households with individuals under 65 years in Baltimore County
*Base on 2010 Data
| Total | 84,942 | 26.82% |
Average Household Size in Baltimore County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Baltimore County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Baltimore County
*Base on 2010 Data
| Total | 335,622 | 100.00% |
| Occupied housing units | 316,715 | 94.37% |
| Vacant housing units | 18,907 | 5.63% |
| For rent | 8,112 | 2.42% |
| Rented, not occupied | 354 | 0.11% |
| For sale only | 3,897 | 1.16% |
| Sold, not occupied | 765 | 0.23% |
| For seasonal, recreational, or occasional use | 1,405 | 0.42% |
| All other vacants | 4,374 | 1.30% |
Homeowner Vacancy Rate in Baltimore County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.80% |
Rental Vacancy Rate in Baltimore County
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.10% |
Housing Tenure(Occupied housing units) in Baltimore County
*Base on 2010 Data
| Total | 316,715 | 100.00% |
| Owner-occupied housing units | 211,571 | 66.80% |
| Renter-occupied housing units | 105,144 | 33.20% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Baltimore County
*Base on 2010 Data
| Owner-occupied housing units | 548,341 | 69.92% |
| Renter-occupied housing units | 235,907 | 30.08% |
Average Household Size of Occupied Housing Units by Tenure in Baltimore County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |