Zip code 21201 statistics: Estimated zip code population in 2016: 16,715 Zip code population in 2010: 16,972 Zip code population in 2000: 15,097 Mar. Population density: 12,956 people per square mile Males: 7,741 46. The ratio of number of residents in zip code 21201 to the number of sex offenders is 1,194 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. Zip code 21202 statistics: Estimated zip code population in 2016: 22,566 Zip code population in 2010: 22,832 Zip code population in 2000: 23,572 Mar. Population density: 14,217 people per square mile Males: 13,348 59. Population density: 7,556 people per square mile Males: 7,280 47. Population density: 7,005 people per square mile Males: 23,117 45. Population density: 4,724 people per square mile Males: 21,738 44. The ratio of number of residents in zip code 21207 to the number of sex offenders is 886 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21208 statistics: Estimated zip code population in 2016: 36,803 Zip code population in 2010: 33,917 Zip code population in 2000: 31,497 Mar. Population density: baltimore city zip codes people per square mile Males: 16,493 44. The ratio of number of residents in zip code 21208 to the number of sex offenders is 2,165 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. Zip code 21209 statistics: Estimated zip code population in 2016: 28,583 Zip code population in 2010: 26,465 Zip code population in 2000: 23,683 Mar. Population density: 4,034 people per square mile Males: 12,933 45. The ratio of number of residents in zip code 21209 to the number of sex offenders is 4,764 to 1. The number of registered sex offenders compared to the number of residents in this zip code is a lot smaller than the state average. Zip code 21210 statistics: Estimated zip code population in 2016: 15,299 Zip code population in 2010: 14,292 Zip code population in 2000: 11,733 Mar. Population density: 4,618 people per square mile Males: 7,208 47. The ratio of number of residents in zip code 21210 to the number of sex offenders is 3,060 to 1. The number of registered sex offenders compared to the number of residents in this zip code is a lot smaller than the state average. Zip code 21211 statistics: Estimated zip code population in 2016: 17,126 Zip code population in 2010: 17,351 Zip code population in 2000: 16,711 Baltimore city zip codes. Population density: 6,144 people per square mile Males: 7,993 46. The ratio of number of baltimore city zip codes in zip code 21211 to the number of sex offenders is 1,427 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. Zip code 21212 statistics: Estimated zip code population in 2016: 34,542 Zip code population in 2010: 32,322 Zip code population in 2000: 35,295 Mar. Population density: 7,429 people per square mile Males: 15,764 45. The ratio of number of residents in zip code 21212 to the number of sex offenders is 909 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21213 statistics: Estimated zip code population in 2016: 30,965 Zip code population in 2010: 32,733 Zip code population in 2000: 38,442 Mar. Population density: 9,079 people per square mile Males: 13,549 43. Population density: 7,283 people per square mile Males: 9,915 47. Population baltimore city zip codes 9,085 people per square mile Males: 28,203 45. Population density: 8,790 people per square mile Males: 13,795 47. Population density: 16,901 people per square mile Males: 17,927 45. Population density: 11,620 people per square mile Males: 23,036 47. Population density: 5,064 people per square mile Males: 26,711 48. Population density: 9,683 people per square mile Males: 12,164 47. Population density: 5,319 people per square mile Males: 24,962 49. Population density: 5,177 people per square mile Males: 15,865 47. Population density: 795 people per square mile Males: 3,727 47. Population density: 3,031 people per square mile Males: 17,232 49. The ratio of number of residents in zip code 21227 to the number of sex offenders is 813 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21228 statistics: Estimated zip code population in 2016: 49,663 Zip code population in 2010: 47,577 Zip code population in 2000: 48,601 Mar. Population density: 3,204 people per square mile Males: 23,967 48. The ratio of number of residents in zip code 21228 to the number of sex offenders is 871 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21229 statistics: Estimated zip code population in 2016: 48,394 Zip code population in 2010: 45,213 Zip code population in 2000: 49,764 Mar. Population density: 8,231 people per square mile Males: 22,258 46. Population density: 5,519 people per square mile Males: 16,995 48. Population density: 19,236 people per square mile Males: 8,241 49. The ratio of number of residents in zip code 21231 to the number of sex offenders is 2,098 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. Zip code 21234 statistics: Estimated zip code population in 2016: 70,443 Zip code population in 2010: 69,752 Zip code population in 2000: 69,100 Mar. Population density: 5,423 people per square mile Males: 32,960 46. The ratio of number of residents in zip code 21234 to the number of sex offenders is 1,118 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21236 statistics: Estimated zip code population in 2016: 38,914 Zip code population in 2010: 38,474 Zip code population in 2000: 37,779 Mar. Population density: 4,546 people per square mile Males: 18,470 47. The ratio of number of residents in zip code 21236 to the number of sex offenders is 1,853 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. Zip code 21237 statistics: Estimated zip code population in 2016: 31,431 Zip code population in 2010: 30,059 Zip code population in 2000: 25,414 Mar. Population density: 2,740 people per square mile Males: 14,829 47. The ratio of number of residents in zip code 21237 to the number of sex offenders is 827 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average. Zip code 21239 statistics: Estimated zip code population in 2016: 32,391 Zip code population in 2010: 28,793 Zip code population in 2000: 28,810 Mar. Population density: 10,017 people per square mile Males: 14,910 46. The ratio of number of residents in zip code 21239 to the number of sex offenders is 1,117 to 1. The number of registered sex offenders compared to the number of residents in this zip code is near the state average.