78121 Zip Code Historical Age Data
ACS 2010-2014 data
Total population: 11,059
Median Age (
see rank)
| 78121 Zip Code | 42.40 years old |
| Texas | 33.90 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| 78121 Zip Code | 41.80 years old |
| Texas | 32.90 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| 78121 Zip Code | 42.70 years old |
| Texas | 35.00 years old |
| U.S. | 38.80 years old |
| | 78121 Zip Code | % of the Total Population | Texas | U.S. |
| Under 5 years | 472 | 4.27%, see rank | 7.44% | 6.36% |
| 5 to 9 years | 510 | 4.61%, see rank | 7.58% | 6.51% |
| 10 to 14 years | 971 | 8.78%, see rank | 7.42% | 6.59% |
| 15 to 19 years | 956 | 8.64%, see rank | 7.25% | 6.85% |
| 20 to 24 years | 539 | 4.87%, see rank | 7.36% | 7.13% |
| 25 to 34 years | 1,065 | 9.63%, see rank | 14.44% | 13.47% |
| 35 to 44 years | 1,563 | 14.13%, see rank | 13.63% | 12.96% |
| 45 to 54 years | 1,934 | 17.49%, see rank | 13.23% | 14.09% |
| 55 to 64 years | 1,612 | 14.58%, see rank | 10.74% | 12.29% |
| 65 to 74 years | 874 | 7.90%, see rank | 6.32% | 7.64% |
| 75 to 84 | 371 | 3.35%, see rank | 3.33% | 4.25% |
| 85 years and over | 192 | 1.74%, see rank | 1.27% | 1.85% |
US Census 2010 data
Total population: 11,381
Median Age (
see rank)
| 78121 Zip Code | 39.50 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 78121 Zip Code | 39.40 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 78121 Zip Code | 39.60 years old |
| Texas | 34.60 years old |
| U.S. | 38.50 years old |
| | 78121 Zip Code | % of the Total Population | Texas | U.S. |
| Under 5 years | 690 | 6.06%, see rank | 7.67% | 6.54% |
| 5 to 9 years | 847 | 7.44%, see rank | 7.67% | 6.59% |
| 10 to 14 years | 1,011 | 8.88%, see rank | 7.48% | 6.70% |
| 15 to 19 years | 858 | 7.54%, see rank | 7.49% | 7.14% |
| 20 to 24 years | 458 | 4.02%, see rank | 7.23% | 6.99% |
| 25 to 34 years | 1,072 | 9.42%, see rank | 14.37% | 13.30% |
| 35 to 44 years | 1,731 | 15.21%, see rank | 13.75% | 13.30% |
| 45 to 54 years | 2,032 | 17.85%, see rank | 13.66% | 14.58% |
| 55 to 64 years | 1,434 | 12.60%, see rank | 10.33% | 11.82% |
| 65 to 74 years | 726 | 6.38%, see rank | 5.85% | 7.03% |
| 75 to 84 | 371 | 3.26%, see rank | 3.28% | 4.23% |
| 85 years and over | 151 | 1.33%, see rank | 1.21% | 1.78% |
ACS 2008-2012 data
Total population: 10,847
Median Age (
see rank)
| 78121 Zip Code | 43.50 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 78121 Zip Code | 43.40 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 78121 Zip Code | 43.60 years old |
| Texas | 34.70 years old |
| U.S. | 38.50 years old |
| | 78121 Zip Code | % of the Total Population | Texas | U.S. |
| Under 5 years | 526 | 4.85%, see rank | 7.65% | 6.51% |
| 5 to 9 years | 685 | 6.32%, see rank | 7.62% | 6.57% |
| 10 to 14 years | 819 | 7.55%, see rank | 7.44% | 6.68% |
| 15 to 19 years | 945 | 8.71%, see rank | 7.45% | 7.09% |
| 20 to 24 years | 475 | 4.38%, see rank | 7.29% | 7.04% |
| 25 to 34 years | 748 | 6.90%, see rank | 14.37% | 13.32% |
| 35 to 44 years | 1,479 | 13.64%, see rank | 13.80% | 13.34% |
| 45 to 54 years | 2,009 | 18.52%, see rank | 13.54% | 14.44% |
| 55 to 64 years | 1,767 | 16.29%, see rank | 10.37% | 11.84% |
| 65 to 74 years | 885 | 8.16%, see rank | 5.93% | 7.12% |
| 75 to 84 | 341 | 3.14%, see rank | 3.29% | 4.25% |
| 85 years and over | 168 | 1.55%, see rank | 1.23% | 1.78% |
US Census 2000 data
Total population: 7,606
Median Age (
see rank)
| 78121 Zip Code | 36.40 years old |
| Texas | 32.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| 78121 Zip Code | 35.80 years old |
| Texas | 31.30 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| 78121 Zip Code | 36.90 years old |
| Texas | 33.40 years old |
| U.S. | 36.50 years old |
| | 78121 Zip Code | % of the Total Population | Texas | U.S. |
| Under 5 years | 502 | 6.60%, see rank | 7.79% | 6.81% |
| 5 to 9 years | 647 | 8.51%, see rank | 7.93% | 7.30% |
| 10 to 14 years | 726 | 9.55%, see rank | 7.82% | 7.29% |
| 15 to 19 years | 642 | 8.44%, see rank | 7.85% | 7.18% |
| 20 to 24 years | 318 | 4.18%, see rank | 7.38% | 6.74% |
| 25 to 34 years | 788 | 10.36%, see rank | 15.16% | 14.18% |
| 35 to 44 years | 1,428 | 18.77%, see rank | 15.93% | 16.04% |
| 45 to 54 years | 1,099 | 14.45%, see rank | 12.52% | 13.39% |
| 55 to 64 years | 656 | 8.62%, see rank | 7.66% | 8.63% |
| 65 to 74 years | 452 | 5.94%, see rank | 5.48% | 6.54% |
| 75 to 84 | 243 | 3.19%, see rank | 3.32% | 4.39% |
| 85 years and over | 105 | 1.38%, see rank | 1.14% | 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.
