99021 Zip Code Historical Age Data
ACS 2010-2014 data
Total population: 8,897
Median Age (
see rank)
| 99021 Zip Code | 47.20 years old |
| Washington | 37.40 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| 99021 Zip Code | 45.40 years old |
| Washington | 36.30 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| 99021 Zip Code | 48.10 years old |
| Washington | 38.40 years old |
| U.S. | 38.80 years old |
| | 99021 Zip Code | % of the Total Population | Washington | U.S. |
| Under 5 years | 350 | 3.93%, see rank | 6.43% | 6.36% |
| 5 to 9 years | 491 | 5.52%, see rank | 6.33% | 6.51% |
| 10 to 14 years | 697 | 7.83%, see rank | 6.40% | 6.59% |
| 15 to 19 years | 589 | 6.62%, see rank | 6.49% | 6.85% |
| 20 to 24 years | 361 | 4.06%, see rank | 7.01% | 7.13% |
| 25 to 34 years | 745 | 8.37%, see rank | 14.18% | 13.47% |
| 35 to 44 years | 931 | 10.46%, see rank | 13.23% | 12.96% |
| 45 to 54 years | 1,720 | 19.33%, see rank | 13.98% | 14.09% |
| 55 to 64 years | 1,655 | 18.60%, see rank | 12.78% | 12.29% |
| 65 to 74 years | 818 | 9.19%, see rank | 7.59% | 7.64% |
| 75 to 84 | 394 | 4.43%, see rank | 3.81% | 4.25% |
| 85 years and over | 146 | 1.64%, see rank | 1.78% | 1.85% |
US Census 2010 data
Total population: 9,174
Median Age (
see rank)
| 99021 Zip Code | 42.50 years old |
| Washington | 37.30 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 99021 Zip Code | 42.00 years old |
| Washington | 36.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 99021 Zip Code | 43.00 years old |
| Washington | 38.30 years old |
| U.S. | 38.50 years old |
| | 99021 Zip Code | % of the Total Population | Washington | U.S. |
| Under 5 years | 446 | 4.86%, see rank | 6.54% | 6.54% |
| 5 to 9 years | 593 | 6.46%, see rank | 6.39% | 6.59% |
| 10 to 14 years | 764 | 8.33%, see rank | 6.52% | 6.70% |
| 15 to 19 years | 808 | 8.81%, see rank | 6.87% | 7.14% |
| 20 to 24 years | 408 | 4.45%, see rank | 6.86% | 6.99% |
| 25 to 34 years | 670 | 7.30%, see rank | 13.89% | 13.30% |
| 35 to 44 years | 1,242 | 13.54%, see rank | 13.51% | 13.30% |
| 45 to 54 years | 1,674 | 18.25%, see rank | 14.70% | 14.58% |
| 55 to 64 years | 1,360 | 14.82%, see rank | 12.42% | 11.82% |
| 65 to 74 years | 755 | 8.23%, see rank | 6.80% | 7.03% |
| 75 to 84 | 352 | 3.84%, see rank | 3.77% | 4.23% |
| 85 years and over | 102 | 1.11%, see rank | 1.74% | 1.78% |
ACS 2008-2012 data
Total population: 9,160
Median Age (
see rank)
| 99021 Zip Code | 42.50 years old |
| Washington | 37.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 99021 Zip Code | 41.70 years old |
| Washington | 36.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 99021 Zip Code | 43.20 years old |
| Washington | 38.30 years old |
| U.S. | 38.50 years old |
| | 99021 Zip Code | % of the Total Population | Washington | U.S. |
| Under 5 years | 398 | 4.34%, see rank | 6.50% | 6.51% |
| 5 to 9 years | 675 | 7.37%, see rank | 6.35% | 6.57% |
| 10 to 14 years | 730 | 7.97%, see rank | 6.50% | 6.68% |
| 15 to 19 years | 690 | 7.53%, see rank | 6.79% | 7.09% |
| 20 to 24 years | 390 | 4.26%, see rank | 6.98% | 7.04% |
| 25 to 34 years | 837 | 9.14%, see rank | 13.94% | 13.32% |
| 35 to 44 years | 1,166 | 12.73%, see rank | 13.54% | 13.34% |
| 45 to 54 years | 1,592 | 17.38%, see rank | 14.56% | 14.44% |
| 55 to 64 years | 1,557 | 17.00%, see rank | 12.43% | 11.84% |
| 65 to 74 years | 684 | 7.47%, see rank | 6.90% | 7.12% |
| 75 to 84 | 370 | 4.04%, see rank | 3.83% | 4.25% |
| 85 years and over | 71 | 0.78%, see rank | 1.70% | 1.78% |
US Census 2000 data
Total population: 8,533
Median Age (
see rank)
| 99021 Zip Code | 36.50 years old |
| Washington | 35.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| 99021 Zip Code | 35.90 years old |
| Washington | 34.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| 99021 Zip Code | 37.10 years old |
| Washington | 36.30 years old |
| U.S. | 36.50 years old |
| | 99021 Zip Code | % of the Total Population | Washington | U.S. |
| Under 5 years | 534 | 6.26%, see rank | 6.69% | 6.81% |
| 5 to 9 years | 723 | 8.47%, see rank | 7.23% | 7.30% |
| 10 to 14 years | 850 | 9.96%, see rank | 7.38% | 7.29% |
| 15 to 19 years | 753 | 8.82%, see rank | 7.26% | 7.18% |
| 20 to 24 years | 282 | 3.30%, see rank | 6.62% | 6.74% |
| 25 to 34 years | 901 | 10.56%, see rank | 14.27% | 14.18% |
| 35 to 44 years | 1,624 | 19.03%, see rank | 16.54% | 16.04% |
| 45 to 54 years | 1,371 | 16.07%, see rank | 14.35% | 13.39% |
| 55 to 64 years | 736 | 8.63%, see rank | 8.43% | 8.63% |
| 65 to 74 years | 435 | 5.10%, see rank | 5.72% | 6.54% |
| 75 to 84 | 252 | 2.95%, see rank | 4.09% | 4.39% |
| 85 years and over | 72 | 0.84%, see rank | 1.43% | 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.
