USA.com / Maryland / Frederick County / Rocky Ridge, MD / 21778 / Population and Races / Historical Gender Data
21778 Zip Code Historical Gender Data
ACS 2010-2014 data
Total population: 1,141
Male: 541 (47.41%, see rank)
Females: 600 (52.59%, see rank)
| 21778 Zip Code | Male: 47.41% Female: 52.59% |
| Maryland | Male: 48.43% Female: 51.57% |
| U.S. | Male: 49.19% Female: 50.81% |
US Census 2010 data
Total population: 1,094
Male: 544 (49.73%, see rank)
Females: 550 (50.27%, see rank)
| 21778 Zip Code | Male: 49.73% Female: 50.27% |
| Maryland | Male: 48.35% Female: 51.65% |
| U.S. | Male: 49.16% Female: 50.84% |
ACS 2008-2012 data
Total population: 1,345
Male: 654 (48.62%, see rank)
Females: 691 (51.38%, see rank)
| 21778 Zip Code | Male: 48.62% Female: 51.38% |
| Maryland | Male: 48.38% Female: 51.62% |
| U.S. | Male: 49.17% Female: 50.83% |
US Census 2000 data
Total population: 1,020
Male: 506 (49.61%, see rank)
Females: 514 (50.39%, see rank)
| 21778 Zip Code | Male: 49.61% Female: 50.39% |
| Maryland | Male: 48.29% Female: 51.71% |
| U.S. | Male: 49.06% Female: 50.94% |
* 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.