Affton, MO Historical Age Data
ACS 2010-2014 data
Total population: 21,358
Median Age (
see rank)
| Affton, MO | 40.60 years old |
| Missouri | 38.10 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Affton, MO | 37.40 years old |
| Missouri | 36.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Affton, MO | 42.70 years old |
| Missouri | 39.50 years old |
| U.S. | 38.80 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,576 | 7.38%, see rank | 6.29% | 6.36% |
| 5 to 9 years | 862 | 4.04%, see rank | 6.50% | 6.51% |
| 10 to 14 years | 1,061 | 4.97%, see rank | 6.55% | 6.59% |
| 15 to 19 years | 1,168 | 5.47%, see rank | 6.78% | 6.85% |
| 20 to 24 years | 1,331 | 6.23%, see rank | 7.04% | 7.13% |
| 25 to 34 years | 3,392 | 15.88%, see rank | 13.15% | 13.47% |
| 35 to 44 years | 2,491 | 11.66%, see rank | 12.20% | 12.96% |
| 45 to 54 years | 2,862 | 13.40%, see rank | 14.18% | 14.09% |
| 55 to 64 years | 3,179 | 14.88%, see rank | 12.67% | 12.29% |
| 65 to 74 years | 1,495 | 7.00%, see rank | 8.07% | 7.64% |
| 75 to 84 | 1,261 | 5.90%, see rank | 4.59% | 4.25% |
| 85 years and over | 680 | 3.18%, see rank | 1.98% | 1.85% |
US Census 2010 data
Total population: 20,307
Median Age (
see rank)
| Affton, MO | 41.00 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Affton, MO | 38.60 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Affton, MO | 43.30 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,134 | 5.58%, see rank | 6.52% | 6.54% |
| 5 to 9 years | 1,022 | 5.03%, see rank | 6.52% | 6.59% |
| 10 to 14 years | 1,096 | 5.40%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 1,259 | 6.20%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 1,235 | 6.08%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 2,949 | 14.52%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 2,491 | 12.27%, see rank | 12.50% | 13.30% |
| 45 to 54 years | 3,365 | 16.57%, see rank | 14.84% | 14.58% |
| 55 to 64 years | 2,490 | 12.26%, see rank | 12.08% | 11.82% |
| 65 to 74 years | 1,484 | 7.31%, see rank | 7.52% | 7.03% |
| 75 to 84 | 1,271 | 6.26%, see rank | 4.58% | 4.23% |
| 85 years and over | 511 | 2.52%, see rank | 1.90% | 1.78% |
ACS 2008-2012 data
Total population: 19,945
Median Age (
see rank)
| Affton, MO | 38.90 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Affton, MO | 36.20 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Affton, MO | 42.20 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,538 | 7.71%, see rank | 6.44% | 6.51% |
| 5 to 9 years | 768 | 3.85%, see rank | 6.51% | 6.57% |
| 10 to 14 years | 1,065 | 5.34%, see rank | 6.63% | 6.68% |
| 15 to 19 years | 1,181 | 5.92%, see rank | 7.04% | 7.09% |
| 20 to 24 years | 1,449 | 7.26%, see rank | 6.95% | 7.04% |
| 25 to 34 years | 3,075 | 15.42%, see rank | 12.96% | 13.32% |
| 35 to 44 years | 2,462 | 12.34%, see rank | 12.57% | 13.34% |
| 45 to 54 years | 2,968 | 14.88%, see rank | 14.66% | 14.44% |
| 55 to 64 years | 2,432 | 12.19%, see rank | 12.13% | 11.84% |
| 65 to 74 years | 1,276 | 6.40%, see rank | 7.60% | 7.12% |
| 75 to 84 | 1,133 | 5.68%, see rank | 4.57% | 4.25% |
| 85 years and over | 598 | 3.00%, see rank | 1.93% | 1.78% |
ACS 2006-2010 data
Total population: 20,115
Median Age (
see rank)
| Affton, MO | 37.50 years old |
| Missouri | 37.60 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Affton, MO | 35.00 years old |
| Missouri | 36.20 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Affton, MO | 41.00 years old |
| Missouri | 38.90 years old |
| U.S. | 38.10 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,399 | 6.96%, see rank | 6.53% | 6.62% |
| 5 to 9 years | 1,012 | 5.03%, see rank | 6.51% | 6.62% |
| 10 to 14 years | 1,185 | 5.89%, see rank | 6.77% | 6.79% |
| 15 to 19 years | 1,112 | 5.53%, see rank | 7.26% | 7.28% |
| 20 to 24 years | 1,490 | 7.41%, see rank | 6.96% | 6.98% |
| 25 to 34 years | 2,986 | 14.84%, see rank | 12.74% | 13.22% |
| 35 to 44 years | 2,835 | 14.09%, see rank | 13.15% | 13.89% |
| 45 to 54 years | 3,298 | 16.40%, see rank | 14.84% | 14.57% |
| 55 to 64 years | 1,856 | 9.23%, see rank | 11.52% | 11.28% |
| 65 to 74 years | 1,239 | 6.16%, see rank | 7.25% | 6.74% |
| 75 to 84 | 1,194 | 5.94%, see rank | 4.61% | 4.30% |
| 85 years and over | 509 | 2.53%, see rank | 1.87% | 1.70% |
ACS 2005-2009 data
Total population: 20,709
Median Age (
see rank)
| Affton, MO | 38.90 years old |
| Missouri | 37.30 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Affton, MO | 37.80 years old |
| Missouri | 35.90 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Affton, MO | 42.30 years old |
| Missouri | 38.70 years old |
| U.S. | 37.90 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,224 | 5.91%, see rank | 6.70% | 6.92% |
| 5 to 9 years | 959 | 4.63%, see rank | 6.45% | 6.59% |
| 10 to 14 years | 1,259 | 6.08%, see rank | 6.78% | 6.83% |
| 15 to 19 years | 1,280 | 6.18%, see rank | 7.16% | 7.15% |
| 20 to 24 years | 1,574 | 7.60%, see rank | 7.13% | 7.02% |
| 25 to 34 years | 2,758 | 13.32%, see rank | 12.83% | 13.42% |
| 35 to 44 years | 2,962 | 14.30%, see rank | 13.57% | 14.18% |
| 45 to 54 years | 3,655 | 17.65%, see rank | 14.77% | 14.48% |
| 55 to 64 years | 1,913 | 9.24%, see rank | 11.12% | 10.81% |
| 65 to 74 years | 1,225 | 5.92%, see rank | 6.95% | 6.50% |
| 75 to 84 | 1,494 | 7.21%, see rank | 4.67% | 4.40% |
| 85 years and over | 406 | 1.96%, see rank | 1.88% | 1.71% |
US Census 2000 data
Total population: 20,535
Median Age (
see rank)
| Affton, MO | 39.90 years old |
| Missouri | 36.10 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Affton, MO | 38.40 years old |
| Missouri | 34.80 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Affton, MO | 41.30 years old |
| Missouri | 37.40 years old |
| U.S. | 36.50 years old |
| | Affton, MO | % of the Total Population | Missouri | U.S. |
| Under 5 years | 1,176 | 5.73%, see rank | 6.61% | 6.81% |
| 5 to 9 years | 1,230 | 5.99%, see rank | 7.13% | 7.30% |
| 10 to 14 years | 1,323 | 6.44%, see rank | 7.36% | 7.29% |
| 15 to 19 years | 1,207 | 5.88%, see rank | 7.39% | 7.18% |
| 20 to 24 years | 970 | 4.72%, see rank | 6.60% | 6.74% |
| 25 to 34 years | 2,644 | 12.88%, see rank | 13.20% | 14.18% |
| 35 to 44 years | 3,585 | 17.46%, see rank | 15.86% | 16.04% |
| 45 to 54 years | 2,600 | 12.66%, see rank | 13.27% | 13.39% |
| 55 to 64 years | 1,793 | 8.73%, see rank | 9.07% | 8.63% |
| 65 to 74 years | 1,938 | 9.44%, see rank | 7.03% | 6.54% |
| 75 to 84 | 1,631 | 7.94%, see rank | 4.71% | 4.39% |
| 85 years and over | 438 | 2.13%, see rank | 1.76% | 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.
