21811 Zip Code Historical Age Data
ACS 2010-2014 data
Total population: 20,994
Median Age (
see rank)
| 21811 Zip Code | 52.00 years old |
| Maryland | 38.10 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| 21811 Zip Code | 52.00 years old |
| Maryland | 36.50 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| 21811 Zip Code | 51.90 years old |
| Maryland | 39.60 years old |
| U.S. | 38.80 years old |
| | 21811 Zip Code | % of the Total Population | Maryland | U.S. |
| Under 5 years | 857 | 4.08%, see rank | 6.24% | 6.36% |
| 5 to 9 years | 994 | 4.73%, see rank | 6.30% | 6.51% |
| 10 to 14 years | 901 | 4.29%, see rank | 6.41% | 6.59% |
| 15 to 19 years | 840 | 4.00%, see rank | 6.73% | 6.85% |
| 20 to 24 years | 946 | 4.51%, see rank | 6.84% | 7.13% |
| 25 to 34 years | 1,860 | 8.86%, see rank | 13.60% | 13.47% |
| 35 to 44 years | 2,087 | 9.94%, see rank | 13.23% | 12.96% |
| 45 to 54 years | 3,048 | 14.52%, see rank | 15.18% | 14.09% |
| 55 to 64 years | 3,482 | 16.59%, see rank | 12.50% | 12.29% |
| 65 to 74 years | 3,340 | 15.91%, see rank | 7.33% | 7.64% |
| 75 to 84 | 1,943 | 9.26%, see rank | 3.88% | 4.25% |
| 85 years and over | 696 | 3.32%, see rank | 1.77% | 1.85% |
US Census 2010 data
Total population: 22,550
Median Age (
see rank)
| 21811 Zip Code | 51.10 years old |
| Maryland | 38.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 21811 Zip Code | 49.60 years old |
| Maryland | 36.40 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 21811 Zip Code | 52.40 years old |
| Maryland | 39.30 years old |
| U.S. | 38.50 years old |
| | 21811 Zip Code | % of the Total Population | Maryland | U.S. |
| Under 5 years | 999 | 4.43%, see rank | 6.31% | 6.54% |
| 5 to 9 years | 1,074 | 4.76%, see rank | 6.35% | 6.59% |
| 10 to 14 years | 1,129 | 5.01%, see rank | 6.56% | 6.70% |
| 15 to 19 years | 1,119 | 4.96%, see rank | 7.04% | 7.14% |
| 20 to 24 years | 914 | 4.05%, see rank | 6.82% | 6.99% |
| 25 to 34 years | 1,834 | 8.13%, see rank | 13.20% | 13.30% |
| 35 to 44 years | 2,336 | 10.36%, see rank | 13.78% | 13.30% |
| 45 to 54 years | 3,187 | 14.13%, see rank | 15.63% | 14.58% |
| 55 to 64 years | 3,771 | 16.72%, see rank | 12.05% | 11.82% |
| 65 to 74 years | 3,532 | 15.66%, see rank | 6.69% | 7.03% |
| 75 to 84 | 2,008 | 8.90%, see rank | 3.87% | 4.23% |
| 85 years and over | 647 | 2.87%, see rank | 1.70% | 1.78% |
ACS 2008-2012 data
Total population: 20,834
Median Age (
see rank)
| 21811 Zip Code | 51.40 years old |
| Maryland | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 21811 Zip Code | 49.70 years old |
| Maryland | 36.30 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 21811 Zip Code | 52.70 years old |
| Maryland | 39.30 years old |
| U.S. | 38.50 years old |
| | 21811 Zip Code | % of the Total Population | Maryland | U.S. |
| Under 5 years | 811 | 3.89%, see rank | 6.31% | 6.51% |
| 5 to 9 years | 717 | 3.44%, see rank | 6.30% | 6.57% |
| 10 to 14 years | 930 | 4.46%, see rank | 6.57% | 6.68% |
| 15 to 19 years | 949 | 4.56%, see rank | 7.01% | 7.09% |
| 20 to 24 years | 1,001 | 4.80%, see rank | 6.83% | 7.04% |
| 25 to 34 years | 1,983 | 9.52%, see rank | 13.25% | 13.32% |
| 35 to 44 years | 2,107 | 10.11%, see rank | 13.82% | 13.34% |
| 45 to 54 years | 2,930 | 14.06%, see rank | 15.46% | 14.44% |
| 55 to 64 years | 3,539 | 16.99%, see rank | 12.07% | 11.84% |
| 65 to 74 years | 3,475 | 16.68%, see rank | 6.78% | 7.12% |
| 75 to 84 | 1,765 | 8.47%, see rank | 3.89% | 4.25% |
| 85 years and over | 627 | 3.01%, see rank | 1.70% | 1.78% |
US Census 2000 data
Total population: 19,476
Median Age (
see rank)
| 21811 Zip Code | 45.50 years old |
| Maryland | 36.00 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| 21811 Zip Code | 44.40 years old |
| Maryland | 34.90 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| 21811 Zip Code | 46.60 years old |
| Maryland | 37.00 years old |
| U.S. | 36.50 years old |
| | 21811 Zip Code | % of the Total Population | Maryland | U.S. |
| Under 5 years | 943 | 4.84%, see rank | 6.67% | 6.81% |
| 5 to 9 years | 1,106 | 5.68%, see rank | 7.39% | 7.30% |
| 10 to 14 years | 1,136 | 5.83%, see rank | 7.40% | 7.29% |
| 15 to 19 years | 997 | 5.12%, see rank | 6.72% | 7.18% |
| 20 to 24 years | 692 | 3.55%, see rank | 5.93% | 6.74% |
| 25 to 34 years | 2,004 | 10.29%, see rank | 14.13% | 14.18% |
| 35 to 44 years | 2,730 | 14.02%, see rank | 17.30% | 16.04% |
| 45 to 54 years | 2,657 | 13.64%, see rank | 14.26% | 13.39% |
| 55 to 64 years | 2,805 | 14.40%, see rank | 8.88% | 8.63% |
| 65 to 74 years | 2,731 | 14.02%, see rank | 6.07% | 6.54% |
| 75 to 84 | 1,320 | 6.78%, see rank | 3.99% | 4.39% |
| 85 years and over | 355 | 1.82%, see rank | 1.26% | 1.51% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
