San Diego County Historical Age Data
ACS 2010-2014 data
Total population: 3,183,143
Median Age (
see rank)
| San Diego County | 34.90 years old |
| California | 35.60 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| San Diego County | 33.50 years old |
| California | 34.50 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| San Diego County | 36.40 years old |
| California | 36.80 years old |
| U.S. | 38.80 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 209,009 | 6.57%, see rank | 6.62% | 6.36% |
| 5 to 9 years | 198,586 | 6.24%, see rank | 6.65% | 6.51% |
| 10 to 14 years | 195,503 | 6.14%, see rank | 6.70% | 6.59% |
| 15 to 19 years | 217,680 | 6.84%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 274,231 | 8.62%, see rank | 7.58% | 7.13% |
| 25 to 34 years | 499,034 | 15.68%, see rank | 14.48% | 13.47% |
| 35 to 44 years | 424,750 | 13.34%, see rank | 13.60% | 12.96% |
| 45 to 54 years | 428,521 | 13.46%, see rank | 13.79% | 14.09% |
| 55 to 64 years | 353,650 | 11.11%, see rank | 11.32% | 12.29% |
| 65 to 74 years | 205,617 | 6.46%, see rank | 6.71% | 7.64% |
| 75 to 84 | 118,194 | 3.71%, see rank | 3.72% | 4.25% |
| 85 years and over | 58,368 | 1.83%, see rank | 1.70% | 1.85% |
US Census 2010 data
Total population: 3,095,313
Median Age (
see rank)
| San Diego County | 34.60 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| San Diego County | 33.20 years old |
| California | 34.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| San Diego County | 36.10 years old |
| California | 36.30 years old |
| U.S. | 38.50 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 203,423 | 6.57%, see rank | 6.79% | 6.54% |
| 5 to 9 years | 194,029 | 6.27%, see rank | 6.73% | 6.59% |
| 10 to 14 years | 198,716 | 6.42%, see rank | 6.95% | 6.70% |
| 15 to 19 years | 225,095 | 7.27%, see rank | 7.58% | 7.14% |
| 20 to 24 years | 270,750 | 8.75%, see rank | 7.42% | 6.99% |
| 25 to 34 years | 470,922 | 15.21%, see rank | 14.27% | 13.30% |
| 35 to 44 years | 420,563 | 13.59%, see rank | 13.91% | 13.30% |
| 45 to 54 years | 430,774 | 13.92%, see rank | 14.10% | 14.58% |
| 55 to 64 years | 329,616 | 10.65%, see rank | 10.84% | 11.82% |
| 65 to 74 years | 180,554 | 5.83%, see rank | 6.11% | 7.03% |
| 75 to 84 | 116,911 | 3.78%, see rank | 3.68% | 4.23% |
| 85 years and over | 53,960 | 1.74%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 3,100,500
Median Age (
see rank)
| San Diego County | 34.70 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| San Diego County | 33.20 years old |
| California | 34.10 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| San Diego County | 36.10 years old |
| California | 36.40 years old |
| U.S. | 38.50 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 205,350 | 6.62%, see rank | 6.82% | 6.51% |
| 5 to 9 years | 195,795 | 6.31%, see rank | 6.71% | 6.57% |
| 10 to 14 years | 195,217 | 6.30%, see rank | 6.91% | 6.68% |
| 15 to 19 years | 222,528 | 7.18%, see rank | 7.47% | 7.09% |
| 20 to 24 years | 270,586 | 8.73%, see rank | 7.49% | 7.04% |
| 25 to 34 years | 474,450 | 15.30%, see rank | 14.32% | 13.32% |
| 35 to 44 years | 422,022 | 13.61%, see rank | 13.93% | 13.34% |
| 45 to 54 years | 427,908 | 13.80%, see rank | 14.00% | 14.44% |
| 55 to 64 years | 330,464 | 10.66%, see rank | 10.85% | 11.84% |
| 65 to 74 years | 184,357 | 5.95%, see rank | 6.20% | 7.12% |
| 75 to 84 | 116,749 | 3.77%, see rank | 3.70% | 4.25% |
| 85 years and over | 55,074 | 1.78%, see rank | 1.62% | 1.78% |
ACS 2006-2010 data
Total population: 3,022,468
Median Age (
see rank)
| San Diego County | 34.50 years old |
| California | 34.90 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| San Diego County | 33.00 years old |
| California | 33.70 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| San Diego County | 35.90 years old |
| California | 36.00 years old |
| U.S. | 38.10 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 202,135 | 6.69%, see rank | 6.95% | 6.62% |
| 5 to 9 years | 191,979 | 6.35%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 196,020 | 6.49%, see rank | 7.12% | 6.79% |
| 15 to 19 years | 223,179 | 7.38%, see rank | 7.65% | 7.28% |
| 20 to 24 years | 262,630 | 8.69%, see rank | 7.37% | 6.98% |
| 25 to 34 years | 457,403 | 15.13%, see rank | 14.29% | 13.22% |
| 35 to 44 years | 425,325 | 14.07%, see rank | 14.43% | 13.89% |
| 45 to 54 years | 421,543 | 13.95%, see rank | 14.05% | 14.57% |
| 55 to 64 years | 304,530 | 10.08%, see rank | 10.28% | 11.28% |
| 65 to 74 years | 170,240 | 5.63%, see rank | 5.83% | 6.74% |
| 75 to 84 | 118,160 | 3.91%, see rank | 3.73% | 4.30% |
| 85 years and over | 49,324 | 1.63%, see rank | 1.52% | 1.70% |
ACS 2005-2009 data
Total population: 2,987,543
Median Age (
see rank)
| San Diego County | 34.50 years old |
| California | 34.60 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| San Diego County | 33.20 years old |
| California | 33.40 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| San Diego County | 35.80 years old |
| California | 35.70 years old |
| U.S. | 37.90 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 221,715 | 7.42%, see rank | 7.44% | 6.92% |
| 5 to 9 years | 191,063 | 6.40%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 196,552 | 6.58%, see rank | 7.26% | 6.83% |
| 15 to 19 years | 211,194 | 7.07%, see rank | 7.34% | 7.15% |
| 20 to 24 years | 243,080 | 8.14%, see rank | 7.20% | 7.02% |
| 25 to 34 years | 451,916 | 15.13%, see rank | 14.55% | 13.42% |
| 35 to 44 years | 427,995 | 14.33%, see rank | 14.71% | 14.18% |
| 45 to 54 years | 418,974 | 14.02%, see rank | 13.94% | 14.48% |
| 55 to 64 years | 290,865 | 9.74%, see rank | 9.81% | 10.81% |
| 65 to 74 years | 166,245 | 5.56%, see rank | 5.65% | 6.50% |
| 75 to 84 | 120,828 | 4.04%, see rank | 3.79% | 4.40% |
| 85 years and over | 47,116 | 1.58%, see rank | 1.50% | 1.71% |
US Census 2000 data
Total population: 2,813,833
Median Age (
see rank)
| San Diego County | 33.20 years old |
| California | 33.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| San Diego County | 31.80 years old |
| California | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| San Diego County | 34.60 years old |
| California | 34.40 years old |
| U.S. | 36.50 years old |
| | San Diego County | % of the Total Population | California | U.S. |
| Under 5 years | 198,621 | 7.06%, see rank | 7.34% | 6.81% |
| 5 to 9 years | 212,829 | 7.56%, see rank | 8.05% | 7.30% |
| 10 to 14 years | 199,669 | 7.10%, see rank | 7.59% | 7.29% |
| 15 to 19 years | 199,919 | 7.10%, see rank | 7.24% | 7.18% |
| 20 to 24 years | 230,953 | 8.21%, see rank | 7.03% | 6.74% |
| 25 to 34 years | 443,360 | 15.76%, see rank | 15.44% | 14.18% |
| 35 to 44 years | 457,263 | 16.25%, see rank | 16.19% | 16.04% |
| 45 to 54 years | 352,803 | 12.54%, see rank | 12.79% | 13.39% |
| 55 to 64 years | 204,666 | 7.27%, see rank | 7.72% | 8.63% |
| 65 to 74 years | 160,059 | 5.69%, see rank | 5.57% | 6.54% |
| 75 to 84 | 117,284 | 4.17%, see rank | 3.79% | 4.39% |
| 85 years and over | 36,407 | 1.29%, see rank | 1.26% | 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.
