Harris County Historical Age Data
ACS 2010-2014 data
Total population: 4,269,608
Median Age (
see rank)
| Harris County | 32.60 years old |
| Texas | 33.90 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Harris County | 31.80 years old |
| Texas | 32.90 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Harris County | 33.40 years old |
| Texas | 35.00 years old |
| U.S. | 38.80 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 340,571 | 7.98%, see rank | 7.44% | 6.36% |
| 5 to 9 years | 335,243 | 7.85%, see rank | 7.58% | 6.51% |
| 10 to 14 years | 314,160 | 7.36%, see rank | 7.42% | 6.59% |
| 15 to 19 years | 300,081 | 7.03%, see rank | 7.25% | 6.85% |
| 20 to 24 years | 311,623 | 7.30%, see rank | 7.36% | 7.13% |
| 25 to 34 years | 689,712 | 16.15%, see rank | 14.44% | 13.47% |
| 35 to 44 years | 612,031 | 14.33%, see rank | 13.63% | 12.96% |
| 45 to 54 years | 556,980 | 13.05%, see rank | 13.23% | 14.09% |
| 55 to 64 years | 437,957 | 10.26%, see rank | 10.74% | 12.29% |
| 65 to 74 years | 223,642 | 5.24%, see rank | 6.32% | 7.64% |
| 75 to 84 | 106,619 | 2.50%, see rank | 3.33% | 4.25% |
| 85 years and over | 40,989 | 0.96%, see rank | 1.27% | 1.85% |
US Census 2010 data
Total population: 4,092,459
Median Age (
see rank)
| Harris County | 32.20 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Harris County | 31.40 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Harris County | 33.00 years old |
| Texas | 34.60 years old |
| U.S. | 38.50 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 336,314 | 8.22%, see rank | 7.67% | 6.54% |
| 5 to 9 years | 320,339 | 7.83%, see rank | 7.67% | 6.59% |
| 10 to 14 years | 306,560 | 7.49%, see rank | 7.48% | 6.70% |
| 15 to 19 years | 300,676 | 7.35%, see rank | 7.49% | 7.14% |
| 20 to 24 years | 297,495 | 7.27%, see rank | 7.23% | 6.99% |
| 25 to 34 years | 661,590 | 16.17%, see rank | 14.37% | 13.30% |
| 35 to 44 years | 588,282 | 14.37%, see rank | 13.75% | 13.30% |
| 45 to 54 years | 548,550 | 13.40%, see rank | 13.66% | 14.58% |
| 55 to 64 years | 399,166 | 9.75%, see rank | 10.33% | 11.82% |
| 65 to 74 years | 195,502 | 4.78%, see rank | 5.85% | 7.03% |
| 75 to 84 | 101,297 | 2.48%, see rank | 3.28% | 4.23% |
| 85 years and over | 36,688 | 0.90%, see rank | 1.21% | 1.78% |
ACS 2008-2012 data
Total population: 4,101,752
Median Age (
see rank)
| Harris County | 32.20 years old |
| Texas | 33.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Harris County | 31.40 years old |
| Texas | 32.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Harris County | 33.10 years old |
| Texas | 34.70 years old |
| U.S. | 38.50 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 336,630 | 8.21%, see rank | 7.65% | 6.51% |
| 5 to 9 years | 320,264 | 7.81%, see rank | 7.62% | 6.57% |
| 10 to 14 years | 305,393 | 7.45%, see rank | 7.44% | 6.68% |
| 15 to 19 years | 297,918 | 7.26%, see rank | 7.45% | 7.09% |
| 20 to 24 years | 299,053 | 7.29%, see rank | 7.29% | 7.04% |
| 25 to 34 years | 663,253 | 16.17%, see rank | 14.37% | 13.32% |
| 35 to 44 years | 590,375 | 14.39%, see rank | 13.80% | 13.34% |
| 45 to 54 years | 547,822 | 13.36%, see rank | 13.54% | 14.44% |
| 55 to 64 years | 402,631 | 9.82%, see rank | 10.37% | 11.84% |
| 65 to 74 years | 198,783 | 4.85%, see rank | 5.93% | 7.12% |
| 75 to 84 | 100,475 | 2.45%, see rank | 3.29% | 4.25% |
| 85 years and over | 39,155 | 0.95%, see rank | 1.23% | 1.78% |
ACS 2006-2010 data
Total population: 3,950,999
Median Age (
see rank)
| Harris County | 32.00 years old |
| Texas | 33.40 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Harris County | 31.10 years old |
| Texas | 32.40 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Harris County | 32.80 years old |
| Texas | 34.50 years old |
| U.S. | 38.10 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 331,064 | 8.38%, see rank | 7.83% | 6.62% |
| 5 to 9 years | 306,959 | 7.77%, see rank | 7.59% | 6.62% |
| 10 to 14 years | 296,138 | 7.50%, see rank | 7.45% | 6.79% |
| 15 to 19 years | 292,940 | 7.41%, see rank | 7.61% | 7.28% |
| 20 to 24 years | 289,292 | 7.32%, see rank | 7.34% | 6.98% |
| 25 to 34 years | 639,066 | 16.17%, see rank | 14.36% | 13.22% |
| 35 to 44 years | 578,266 | 14.64%, see rank | 14.12% | 13.89% |
| 45 to 54 years | 536,865 | 13.59%, see rank | 13.67% | 14.57% |
| 55 to 64 years | 367,846 | 9.31%, see rank | 9.89% | 11.28% |
| 65 to 74 years | 179,642 | 4.55%, see rank | 5.65% | 6.74% |
| 75 to 84 | 97,759 | 2.47%, see rank | 3.30% | 4.30% |
| 85 years and over | 35,162 | 0.89%, see rank | 1.19% | 1.70% |
ACS 2005-2009 data
Total population: 3,909,790
Median Age (
see rank)
| Harris County | 31.80 years old |
| Texas | 33.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Harris County | 31.00 years old |
| Texas | 31.90 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Harris County | 32.60 years old |
| Texas | 34.10 years old |
| U.S. | 37.90 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 349,808 | 8.95%, see rank | 8.37% | 6.92% |
| 5 to 9 years | 307,922 | 7.88%, see rank | 7.56% | 6.59% |
| 10 to 14 years | 298,445 | 7.63%, see rank | 7.48% | 6.83% |
| 15 to 19 years | 277,940 | 7.11%, see rank | 7.37% | 7.15% |
| 20 to 24 years | 277,083 | 7.09%, see rank | 7.41% | 7.02% |
| 25 to 34 years | 638,435 | 16.33%, see rank | 14.64% | 13.42% |
| 35 to 44 years | 575,992 | 14.73%, see rank | 14.22% | 14.18% |
| 45 to 54 years | 529,722 | 13.55%, see rank | 13.44% | 14.48% |
| 55 to 64 years | 347,480 | 8.89%, see rank | 9.42% | 10.81% |
| 65 to 74 years | 170,969 | 4.37%, see rank | 5.43% | 6.50% |
| 75 to 84 | 101,054 | 2.58%, see rank | 3.42% | 4.40% |
| 85 years and over | 34,940 | 0.89%, see rank | 1.24% | 1.71% |
US Census 2000 data
Total population: 3,400,578
Median Age (
see rank)
| Harris County | 31.20 years old |
| Texas | 32.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Harris County | 30.50 years old |
| Texas | 31.30 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Harris County | 32.00 years old |
| Texas | 33.40 years old |
| U.S. | 36.50 years old |
| | Harris County | % of the Total Population | Texas | U.S. |
| Under 5 years | 281,361 | 8.27%, see rank | 7.79% | 6.81% |
| 5 to 9 years | 281,427 | 8.28%, see rank | 7.93% | 7.30% |
| 10 to 14 years | 266,174 | 7.83%, see rank | 7.82% | 7.29% |
| 15 to 19 years | 254,828 | 7.49%, see rank | 7.85% | 7.18% |
| 20 to 24 years | 252,608 | 7.43%, see rank | 7.38% | 6.74% |
| 25 to 34 years | 573,939 | 16.88%, see rank | 15.16% | 14.18% |
| 35 to 44 years | 562,437 | 16.54%, see rank | 15.93% | 16.04% |
| 45 to 54 years | 436,575 | 12.84%, see rank | 12.52% | 13.39% |
| 55 to 64 years | 238,334 | 7.01%, see rank | 7.66% | 8.63% |
| 65 to 74 years | 146,123 | 4.30%, see rank | 5.48% | 6.54% |
| 75 to 84 | 81,199 | 2.39%, see rank | 3.32% | 4.39% |
| 85 years and over | 25,573 | 0.75%, 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.
