2017 Growth Rate
-0.00%
County Website
State
Founded
June 30, 1659
County Seat
[[Towson, Maryland|Towson]]
Lat/Lng
Baltimore County, Maryland's estimated population is 828,603 with a growth rate of -0.00% in the past year according to the most recent United States census data. Baltimore County, Maryland is the 3rd largest county in Maryland.
| Year | Population | Growth | Growth Rate |
| 2018 | 828,431 | -172 | -0.02% |
| 2017 | 828,603 | -13 | -0.00% |
| 2016 | 828,616 | 1,145 | 0.14% |
| 2015 | 827,471 | 2,465 | 0.30% |
| 2014 | 825,006 | 2,768 | 0.34% |
| 2013 | 822,238 | 4,215 | 0.52% |
| 2012 | 818,023 | 5,226 | 0.64% |
| 2011 | 812,797 | 6,237 | 0.77% |
| 2010 | 806,560 | 114,426 | 16.53% |
| 1990 | 692,134 | 36,519 | 5.57% |
| 1980 | 655,615 | 34,538 | 5.56% |
| 1970 | 621,077 | 128,649 | 26.13% |
| 1960 | 492,428 | 222,155 | 82.20% |
| 1950 | 270,273 | 114,448 | 73.45% |
| 1940 | 155,825 | 31,260 | 25.10% |
| 1930 | 124,565 | 49,748 | 66.49% |
| 1920 | 74,817 | -47,532 | -38.85% |
| 1910 | 122,349 | 31,594 | 34.81% |
| 1900 | 90,755 | 17,846 | 24.48% |
| 1890 | 72,909 | -10,427 | -12.51% |
| 1880 | 83,336 | 19,949 | 31.47% |
| 1870 | 63,387 | 9,252 | 17.09% |
| 1860 | 54,135 | -156,511 | -74.30% |
| 1850 | 210,646 | 76,267 | 56.76% |
| 1840 | 134,379 | 13,509 | 11.18% |
| 1830 | 120,870 | 24,669 | 25.64% |
| 1820 | 96,201 | 20,391 | 26.90% |
| 1810 | 75,810 | 16,780 | 28.43% |
| 1800 | 59,030 | 20,093 | 51.60% |
| 1790 | 38,937 | 0.00% |
| Race | Population | Percentage |
| White | 514,340 | 62.07% |
| Black or African American | 231,516 | 27.94% |
| Asian | 49,045 | 5.92% |
| Two or More Races | 22,290 | 2.69% |
| Some Other Race | 8,728 | 1.05% |
| American Indian and Alaska Native | 2,320 | 0.28% |
| Native Hawaiian and Other Pacific Islander | 398 | 0.05% |
39.2
37.5
40.8
There are 649,612 adults, (133,437 of whom are seniors) in Baltimore County, Maryland.
Female
435,707
52.58%
Male
392,930
47.42%
| Type | Count | Average Size | Owned |
| All | 312,859 | 2.58 | 65.8 |
| Married | 144,090 | 3.26 | 81.6 |
| Non Family | 108,571 | 1.27 | 52.5 |
| Female | 45,393 | 3.28 | 50 |
| Male | 14,805 | 3.42 | 58.9 |
| Education Attained | Count | Percentage |
| Less Than 9th Grade | 18,315 | 3.19% |
| 9th to 12th Grade | 32,698 | 5.70% |
| High School Graduate | 152,622 | 26.62% |
| Some College | 112,480 | 19.62% |
| Associates Degree | 40,355 | 7.04% |
| Bachelors Degree | 125,363 | 21.87% |
| Graduate Degree | 91,430 | 15.95% |
| Name | Total | High School | Bachelors |
| White | 361,928 | 333,430 | 143,756 |
| Black | 147,729 | 137,038 | 45,748 |
| Asian | 33,237 | 28,389 | 18,650 |
| Hispanic | 22,895 | 16,159 | 5,625 |
| Multiple Races | 8,764 | 7,891 | 3,005 |
| Other Race | 4,994 | 3,777 | 1,226 |
| Native American | 1,264 | 1,092 | 225 |
| Islander | 227 | 209 | 52 |
The highest rate of high school graduation is among black people with a rate of 92.76%.
The highest rate of bachelors degrees is among asian people with a rate of 56.11%.
$47,372
Average Earnings
$52,172
Average Male
$42,270
Average Female
86.00% of Baltimore County, Maryland residents speak only English, while 14.00% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.86% of the population.
| Name | Total | In Poverty | Poverty Rate |
| White | 474,526 | 34,328 | 7.23% |
| Black | 225,352 | 24,580 | 10.91% |
| Hispanic | 41,229 | 7,189 | 17.44% |
| Asian | 48,441 | 5,427 | 11.20% |
| Multiple | 21,750 | 2,864 | 13.17% |
| Other | 8,413 | 1,950 | 23.18% |
| Native | 2,257 | 478 | 21.18% |
| Islander | 398 | 34 | 8.54% |
9.10%
Overall Poverty Rate
8.15%
Male Poverty Rate
9.96%
Female Poverty Rate
The race most likely to be in poverty in Baltimore County, Maryland is Other, with 23.18% below the poverty level.
The race least likely to be in poverty in Baltimore County, Maryland is White, with 7.23% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.51%. Among those working part-time, it was 12.29%, and for those that did not work, the poverty rate was 16.82%.
46.2%
Overall Marriage Rate
49.6%
Male Marriage Rate
43.1%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
| White | 32,380 | 7.70% |
| Black | 13,046 | 7.60% |
| Hispanic | 827 | 3.01% |
| Asian | 714 | 1.90% |
| 2 or More | 497 | 4.33% |
| Other | 217 | 3.70% |
| Indian | 90 | 5.51% |
| Hawaiian | 62 | 21.09% |
5.78%
Veteran Poverty Rate
26.86%
Veteran Disability Rate
66.6%
Labor Force Participation
62.8%
Employment Rate
5.5%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
87.86%
Native Born
12.14%
Foreign Born
5.83%
Non Citizen
87.86% of Baltimore County, Maryland residents were born in the United States, with 64.80% having been born in Maryland. 5.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.