Jefferson County Historical Age Data
ACS 2010-2014 data
Total population: 252,466
Median Age (
see rank)
| Jefferson County | 35.90 years old |
| Texas | 33.90 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Jefferson County | 35.00 years old |
| Texas | 32.90 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Jefferson County | 37.30 years old |
| Texas | 35.00 years old |
| U.S. | 38.80 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 17,300 | 6.85%, see rank | 7.44% | 6.36% |
| 5 to 9 years | 15,970 | 6.33%, see rank | 7.58% | 6.51% |
| 10 to 14 years | 16,707 | 6.62%, see rank | 7.42% | 6.59% |
| 15 to 19 years | 17,212 | 6.82%, see rank | 7.25% | 6.85% |
| 20 to 24 years | 19,241 | 7.62%, see rank | 7.36% | 7.13% |
| 25 to 34 years | 36,496 | 14.46%, see rank | 14.44% | 13.47% |
| 35 to 44 years | 31,298 | 12.40%, see rank | 13.63% | 12.96% |
| 45 to 54 years | 35,140 | 13.92%, see rank | 13.23% | 14.09% |
| 55 to 64 years | 30,328 | 12.01%, see rank | 10.74% | 12.29% |
| 65 to 74 years | 17,054 | 6.75%, see rank | 6.32% | 7.64% |
| 75 to 84 | 11,217 | 4.44%, see rank | 3.33% | 4.25% |
| 85 years and over | 4,503 | 1.78%, see rank | 1.27% | 1.85% |
US Census 2010 data
Total population: 252,273
Median Age (
see rank)
| Jefferson County | 36.00 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Jefferson County | 34.90 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Jefferson County | 37.40 years old |
| Texas | 34.60 years old |
| U.S. | 38.50 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 17,162 | 6.80%, see rank | 7.67% | 6.54% |
| 5 to 9 years | 16,195 | 6.42%, see rank | 7.67% | 6.59% |
| 10 to 14 years | 16,392 | 6.50%, see rank | 7.48% | 6.70% |
| 15 to 19 years | 18,380 | 7.29%, see rank | 7.49% | 7.14% |
| 20 to 24 years | 19,123 | 7.58%, see rank | 7.23% | 6.99% |
| 25 to 34 years | 35,766 | 14.18%, see rank | 14.37% | 13.30% |
| 35 to 44 years | 31,521 | 12.49%, see rank | 13.75% | 13.30% |
| 45 to 54 years | 37,127 | 14.72%, see rank | 13.66% | 14.58% |
| 55 to 64 years | 28,605 | 11.34%, see rank | 10.33% | 11.82% |
| 65 to 74 years | 16,066 | 6.37%, see rank | 5.85% | 7.03% |
| 75 to 84 | 11,547 | 4.58%, see rank | 3.28% | 4.23% |
| 85 years and over | 4,389 | 1.74%, see rank | 1.21% | 1.78% |
ACS 2008-2012 data
Total population: 251,627
Median Age (
see rank)
| Jefferson County | 36.00 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Jefferson County | 34.90 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Jefferson County | 37.70 years old |
| Texas | 34.70 years old |
| U.S. | 38.50 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 17,214 | 6.84%, see rank | 7.65% | 6.51% |
| 5 to 9 years | 16,147 | 6.42%, see rank | 7.62% | 6.57% |
| 10 to 14 years | 16,431 | 6.53%, see rank | 7.44% | 6.68% |
| 15 to 19 years | 17,931 | 7.13%, see rank | 7.45% | 7.09% |
| 20 to 24 years | 19,290 | 7.67%, see rank | 7.29% | 7.04% |
| 25 to 34 years | 35,574 | 14.14%, see rank | 14.37% | 13.32% |
| 35 to 44 years | 31,567 | 12.55%, see rank | 13.80% | 13.34% |
| 45 to 54 years | 36,768 | 14.61%, see rank | 13.54% | 14.44% |
| 55 to 64 years | 28,604 | 11.37%, see rank | 10.37% | 11.84% |
| 65 to 74 years | 16,218 | 6.45%, see rank | 5.93% | 7.12% |
| 75 to 84 | 11,577 | 4.60%, see rank | 3.29% | 4.25% |
| 85 years and over | 4,306 | 1.71%, see rank | 1.23% | 1.78% |
ACS 2006-2010 data
Total population: 249,349
Median Age (
see rank)
| Jefferson County | 36.20 years old |
| Texas | 33.40 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Jefferson County | 35.00 years old |
| Texas | 32.40 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Jefferson County | 38.10 years old |
| Texas | 34.50 years old |
| U.S. | 38.10 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 16,815 | 6.74%, see rank | 7.83% | 6.62% |
| 5 to 9 years | 16,434 | 6.59%, see rank | 7.59% | 6.62% |
| 10 to 14 years | 16,206 | 6.50%, see rank | 7.45% | 6.79% |
| 15 to 19 years | 18,187 | 7.29%, see rank | 7.61% | 7.28% |
| 20 to 24 years | 19,102 | 7.66%, see rank | 7.34% | 6.98% |
| 25 to 34 years | 34,222 | 13.72%, see rank | 14.36% | 13.22% |
| 35 to 44 years | 32,470 | 13.02%, see rank | 14.12% | 13.89% |
| 45 to 54 years | 37,345 | 14.98%, see rank | 13.67% | 14.57% |
| 55 to 64 years | 26,754 | 10.73%, see rank | 9.89% | 11.28% |
| 65 to 74 years | 15,887 | 6.37%, see rank | 5.65% | 6.74% |
| 75 to 84 | 11,899 | 4.77%, see rank | 3.30% | 4.30% |
| 85 years and over | 4,028 | 1.62%, see rank | 1.19% | 1.70% |
ACS 2005-2009 data
Total population: 242,676
Median Age (
see rank)
| Jefferson County | 35.60 years old |
| Texas | 33.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Jefferson County | 33.90 years old |
| Texas | 31.90 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Jefferson County | 38.10 years old |
| Texas | 34.10 years old |
| U.S. | 37.90 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 17,240 | 7.10%, see rank | 8.37% | 6.92% |
| 5 to 9 years | 16,147 | 6.65%, see rank | 7.56% | 6.59% |
| 10 to 14 years | 16,222 | 6.68%, see rank | 7.48% | 6.83% |
| 15 to 19 years | 17,352 | 7.15%, see rank | 7.37% | 7.15% |
| 20 to 24 years | 18,734 | 7.72%, see rank | 7.41% | 7.02% |
| 25 to 34 years | 33,870 | 13.96%, see rank | 14.64% | 13.42% |
| 35 to 44 years | 31,346 | 12.92%, see rank | 14.22% | 14.18% |
| 45 to 54 years | 35,335 | 14.56%, see rank | 13.44% | 14.48% |
| 55 to 64 years | 24,647 | 10.16%, see rank | 9.42% | 10.81% |
| 65 to 74 years | 15,518 | 6.39%, see rank | 5.43% | 6.50% |
| 75 to 84 | 11,944 | 4.92%, see rank | 3.42% | 4.40% |
| 85 years and over | 4,321 | 1.78%, see rank | 1.24% | 1.71% |
US Census 2000 data
Total population: 252,051
Median Age (
see rank)
| Jefferson County | 35.30 years old |
| Texas | 32.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Jefferson County | 33.80 years old |
| Texas | 31.30 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Jefferson County | 37.00 years old |
| Texas | 33.40 years old |
| U.S. | 36.50 years old |
| | Jefferson County | % of the Total Population | Texas | U.S. |
| Under 5 years | 16,925 | 6.71%, see rank | 7.79% | 6.81% |
| 5 to 9 years | 18,187 | 7.22%, see rank | 7.93% | 7.30% |
| 10 to 14 years | 18,476 | 7.33%, see rank | 7.82% | 7.29% |
| 15 to 19 years | 19,336 | 7.67%, see rank | 7.85% | 7.18% |
| 20 to 24 years | 17,666 | 7.01%, see rank | 7.38% | 6.74% |
| 25 to 34 years | 34,164 | 13.55%, see rank | 15.16% | 14.18% |
| 35 to 44 years | 39,779 | 15.78%, see rank | 15.93% | 16.04% |
| 45 to 54 years | 32,624 | 12.94%, see rank | 12.52% | 13.39% |
| 55 to 64 years | 20,625 | 8.18%, see rank | 7.66% | 8.63% |
| 65 to 74 years | 17,933 | 7.11%, see rank | 5.48% | 6.54% |
| 75 to 84 | 12,253 | 4.86%, see rank | 3.32% | 4.39% |
| 85 years and over | 4,083 | 1.62%, 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.
