# Colorado Historical Age Data

### ACS 2010-2014 data

Total population: 5,197,580

**Median Age**(see rank)

Colorado | 36.20 years old |

U.S. | 37.40 years old |

**Median Age, Male**(see rank)

Colorado | 35.30 years old |

U.S. | 36.10 years old |

**Median Age, Female**(see rank)

Colorado | 37.30 years old |

U.S. | 38.80 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 337,435 | 6.49%, see rank | 6.36% |

5 to 9 years | 352,695 | 6.79%, see rank | 6.51% |

10 to 14 years | 344,661 | 6.63%, see rank | 6.59% |

15 to 19 years | 341,735 | 6.57%, see rank | 6.85% |

20 to 24 years | 367,651 | 7.07%, see rank | 7.13% |

25 to 34 years | 764,384 | 14.71%, see rank | 13.47% |

35 to 44 years | 710,650 | 13.67%, see rank | 12.96% |

45 to 54 years | 724,166 | 13.93%, see rank | 14.09% |

55 to 64 years | 639,858 | 12.31%, see rank | 12.29% |

65 to 74 years | 359,148 | 6.91%, see rank | 7.64% |

75 to 84 | 179,860 | 3.46%, see rank | 4.25% |

85 years and over | 75,337 | 1.45%, see rank | 1.85% |

### US Census 2010 data

Total population: 5,029,196

**Median Age**(see rank)

Colorado | 36.10 years old |

U.S. | 37.20 years old |

**Median Age, Male**(see rank)

Colorado | 35.10 years old |

U.S. | 35.80 years old |

**Median Age, Female**(see rank)

Colorado | 37.10 years old |

U.S. | 38.50 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 343,960 | 6.84%, see rank | 6.54% |

5 to 9 years | 348,603 | 6.93%, see rank | 6.59% |

10 to 14 years | 332,654 | 6.61%, see rank | 6.70% |

15 to 19 years | 339,475 | 6.75%, see rank | 7.14% |

20 to 24 years | 348,615 | 6.93%, see rank | 6.99% |

25 to 34 years | 726,278 | 14.44%, see rank | 13.30% |

35 to 44 years | 699,644 | 13.91%, see rank | 13.30% |

45 to 54 years | 742,698 | 14.77%, see rank | 14.58% |

55 to 64 years | 597,644 | 11.88%, see rank | 11.82% |

65 to 74 years | 309,960 | 6.16%, see rank | 7.03% |

75 to 84 | 170,052 | 3.38%, see rank | 4.23% |

85 years and over | 69,613 | 1.38%, see rank | 1.78% |

### ACS 2008-2012 data

Total population: 5,042,853

**Median Age**(see rank)

Colorado | 36.10 years old |

U.S. | 37.20 years old |

**Median Age, Male**(see rank)

Colorado | 35.10 years old |

U.S. | 35.80 years old |

**Median Age, Female**(see rank)

Colorado | 37.10 years old |

U.S. | 38.50 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 340,829 | 6.76%, see rank | 6.51% |

5 to 9 years | 348,656 | 6.91%, see rank | 6.57% |

10 to 14 years | 330,838 | 6.56%, see rank | 6.68% |

15 to 19 years | 340,530 | 6.75%, see rank | 7.09% |

20 to 24 years | 353,131 | 7.00%, see rank | 7.04% |

25 to 34 years | 730,849 | 14.49%, see rank | 13.32% |

35 to 44 years | 703,443 | 13.95%, see rank | 13.34% |

45 to 54 years | 735,982 | 14.59%, see rank | 14.44% |

55 to 64 years | 600,252 | 11.90%, see rank | 11.84% |

65 to 74 years | 316,420 | 6.27%, see rank | 7.12% |

75 to 84 | 170,889 | 3.39%, see rank | 4.25% |

85 years and over | 71,034 | 1.41%, see rank | 1.78% |

### ACS 2006-2010 data

Total population: 4,887,061

**Median Age**(see rank)

Colorado | 35.80 years old |

U.S. | 36.90 years old |

**Median Age, Male**(see rank)

Colorado | 34.90 years old |

U.S. | 35.60 years old |

**Median Age, Female**(see rank)

Colorado | 36.80 years old |

U.S. | 38.10 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 339,998 | 6.96%, see rank | 6.62% |

5 to 9 years | 338,842 | 6.93%, see rank | 6.62% |

10 to 14 years | 321,321 | 6.57%, see rank | 6.79% |

15 to 19 years | 340,816 | 6.97%, see rank | 7.28% |

20 to 24 years | 344,945 | 7.06%, see rank | 6.98% |

25 to 34 years | 700,084 | 14.33%, see rank | 13.22% |

35 to 44 years | 703,580 | 14.40%, see rank | 13.89% |

45 to 54 years | 732,578 | 14.99%, see rank | 14.57% |

55 to 64 years | 549,875 | 11.25%, see rank | 11.28% |

65 to 74 years | 283,790 | 5.81%, see rank | 6.74% |

75 to 84 | 166,186 | 3.40%, see rank | 4.30% |

85 years and over | 65,046 | 1.33%, see rank | 1.70% |

### ACS 2005-2009 data

Total population: 4,843,211

**Median Age**(see rank)

Colorado | 35.50 years old |

U.S. | 36.50 years old |

**Median Age, Male**(see rank)

Colorado | 34.60 years old |

U.S. | 35.20 years old |

**Median Age, Female**(see rank)

Colorado | 36.50 years old |

U.S. | 37.90 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 352,319 | 7.27%, see rank | 6.92% |

5 to 9 years | 328,379 | 6.78%, see rank | 6.59% |

10 to 14 years | 317,728 | 6.56%, see rank | 6.83% |

15 to 19 years | 333,436 | 6.88%, see rank | 7.15% |

20 to 24 years | 355,672 | 7.34%, see rank | 7.02% |

25 to 34 years | 699,987 | 14.45%, see rank | 13.42% |

35 to 44 years | 711,876 | 14.70%, see rank | 14.18% |

45 to 54 years | 726,949 | 15.01%, see rank | 14.48% |

55 to 64 years | 519,250 | 10.72%, see rank | 10.81% |

65 to 74 years | 270,409 | 5.58%, see rank | 6.50% |

75 to 84 | 164,175 | 3.39%, see rank | 4.40% |

85 years and over | 63,031 | 1.30%, see rank | 1.71% |

### US Census 2000 data

Total population: 4,301,261

**Median Age**(see rank)

Colorado | 34.30 years old |

U.S. | 35.30 years old |

**Median Age, Male**(see rank)

Colorado | 33.20 years old |

U.S. | 34.00 years old |

**Median Age, Female**(see rank)

Colorado | 35.40 years old |

U.S. | 36.50 years old |

Colorado | % of the Total Population | U.S. | |

Under 5 years | 297,505 | 6.92%, see rank | 6.81% |

5 to 9 years | 308,428 | 7.17%, see rank | 7.30% |

10 to 14 years | 311,497 | 7.24%, see rank | 7.29% |

15 to 19 years | 307,238 | 7.14%, see rank | 7.18% |

20 to 24 years | 306,238 | 7.12%, see rank | 6.74% |

25 to 34 years | 664,027 | 15.44%, see rank | 14.18% |

35 to 44 years | 736,823 | 17.13%, see rank | 16.04% |

45 to 54 years | 614,125 | 14.28%, see rank | 13.39% |

55 to 64 years | 339,307 | 7.89%, see rank | 8.63% |

65 to 74 years | 226,310 | 5.26%, see rank | 6.54% |

75 to 84 | 141,547 | 3.29%, see rank | 4.39% |

85 years and over | 48,216 | 1.12%, see rank | 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.