San Marcos, CA Historical Age Data
ACS 2010-2014 data
Total population: 87,808
Median Age (
see rank)
San Marcos, CA | 34.90 years old |
California | 35.60 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
San Marcos, CA | 34.20 years old |
California | 34.50 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
San Marcos, CA | 35.70 years old |
California | 36.80 years old |
U.S. | 38.80 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 6,138 | 6.99%, see rank | 6.62% | 6.36% |
5 to 9 years | 7,050 | 8.03%, see rank | 6.65% | 6.51% |
10 to 14 years | 6,180 | 7.04%, see rank | 6.70% | 6.59% |
15 to 19 years | 6,342 | 7.22%, see rank | 7.12% | 6.85% |
20 to 24 years | 5,678 | 6.47%, see rank | 7.58% | 7.13% |
25 to 34 years | 12,734 | 14.50%, see rank | 14.48% | 13.47% |
35 to 44 years | 14,687 | 16.73%, see rank | 13.60% | 12.96% |
45 to 54 years | 11,435 | 13.02%, see rank | 13.79% | 14.09% |
55 to 64 years | 7,865 | 8.96%, see rank | 11.32% | 12.29% |
65 to 74 years | 4,995 | 5.69%, see rank | 6.71% | 7.64% |
75 to 84 | 3,072 | 3.50%, see rank | 3.72% | 4.25% |
85 years and over | 1,632 | 1.86%, see rank | 1.70% | 1.85% |
US Census 2010 data
Total population: 83,781
Median Age (
see rank)
San Marcos, CA | 32.90 years old |
California | 35.20 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
San Marcos, CA | 31.90 years old |
California | 34.00 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
San Marcos, CA | 33.80 years old |
California | 36.30 years old |
U.S. | 38.50 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 7,008 | 8.36%, see rank | 6.79% | 6.54% |
5 to 9 years | 6,641 | 7.93%, see rank | 6.73% | 6.59% |
10 to 14 years | 6,075 | 7.25%, see rank | 6.95% | 6.70% |
15 to 19 years | 6,618 | 7.90%, see rank | 7.58% | 7.14% |
20 to 24 years | 6,160 | 7.35%, see rank | 7.42% | 6.99% |
25 to 34 years | 12,032 | 14.36%, see rank | 14.27% | 13.30% |
35 to 44 years | 13,205 | 15.76%, see rank | 13.91% | 13.30% |
45 to 54 years | 10,243 | 12.23%, see rank | 14.10% | 14.58% |
55 to 64 years | 7,272 | 8.68%, see rank | 10.84% | 11.82% |
65 to 74 years | 4,305 | 5.14%, see rank | 6.11% | 7.03% |
75 to 84 | 2,851 | 3.40%, see rank | 3.68% | 4.23% |
85 years and over | 1,371 | 1.64%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 83,028
Median Age (
see rank)
San Marcos, CA | 34.00 years old |
California | 35.20 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
San Marcos, CA | 33.10 years old |
California | 34.10 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
San Marcos, CA | 34.90 years old |
California | 36.40 years old |
U.S. | 38.50 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 7,353 | 8.86%, see rank | 6.82% | 6.51% |
5 to 9 years | 6,562 | 7.90%, see rank | 6.71% | 6.57% |
10 to 14 years | 5,607 | 6.75%, see rank | 6.91% | 6.68% |
15 to 19 years | 5,279 | 6.36%, see rank | 7.47% | 7.09% |
20 to 24 years | 5,728 | 6.90%, see rank | 7.49% | 7.04% |
25 to 34 years | 12,333 | 14.85%, see rank | 14.32% | 13.32% |
35 to 44 years | 14,154 | 17.05%, see rank | 13.93% | 13.34% |
45 to 54 years | 10,169 | 12.25%, see rank | 14.00% | 14.44% |
55 to 64 years | 7,049 | 8.49%, see rank | 10.85% | 11.84% |
65 to 74 years | 4,252 | 5.12%, see rank | 6.20% | 7.12% |
75 to 84 | 3,283 | 3.95%, see rank | 3.70% | 4.25% |
85 years and over | 1,259 | 1.52%, see rank | 1.62% | 1.78% |
ACS 2006-2010 data
Total population: 78,127
Median Age (
see rank)
San Marcos, CA | 32.60 years old |
California | 34.90 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
San Marcos, CA | 30.90 years old |
California | 33.70 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
San Marcos, CA | 33.90 years old |
California | 36.00 years old |
U.S. | 38.10 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 7,503 | 9.60%, see rank | 6.95% | 6.62% |
5 to 9 years | 5,951 | 7.62%, see rank | 6.78% | 6.62% |
10 to 14 years | 5,768 | 7.38%, see rank | 7.12% | 6.79% |
15 to 19 years | 5,433 | 6.95%, see rank | 7.65% | 7.28% |
20 to 24 years | 5,312 | 6.80%, see rank | 7.37% | 6.98% |
25 to 34 years | 12,252 | 15.68%, see rank | 14.29% | 13.22% |
35 to 44 years | 13,005 | 16.65%, see rank | 14.43% | 13.89% |
45 to 54 years | 9,235 | 11.82%, see rank | 14.05% | 14.57% |
55 to 64 years | 6,065 | 7.76%, see rank | 10.28% | 11.28% |
65 to 74 years | 3,820 | 4.89%, see rank | 5.83% | 6.74% |
75 to 84 | 2,760 | 3.53%, see rank | 3.73% | 4.30% |
85 years and over | 1,023 | 1.31%, see rank | 1.52% | 1.70% |
ACS 2005-2009 data
Total population: 77,286
Median Age (
see rank)
San Marcos, CA | 31.80 years old |
California | 34.60 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
San Marcos, CA | 30.60 years old |
California | 33.40 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
San Marcos, CA | 33.00 years old |
California | 35.70 years old |
U.S. | 37.90 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 8,556 | 11.07%, see rank | 7.44% | 6.92% |
5 to 9 years | 6,070 | 7.85%, see rank | 6.82% | 6.59% |
10 to 14 years | 5,554 | 7.19%, see rank | 7.26% | 6.83% |
15 to 19 years | 5,002 | 6.47%, see rank | 7.34% | 7.15% |
20 to 24 years | 5,036 | 6.52%, see rank | 7.20% | 7.02% |
25 to 34 years | 12,324 | 15.95%, see rank | 14.55% | 13.42% |
35 to 44 years | 12,307 | 15.92%, see rank | 14.71% | 14.18% |
45 to 54 years | 8,783 | 11.36%, see rank | 13.94% | 14.48% |
55 to 64 years | 6,018 | 7.79%, see rank | 9.81% | 10.81% |
65 to 74 years | 3,911 | 5.06%, see rank | 5.65% | 6.50% |
75 to 84 | 2,851 | 3.69%, see rank | 3.79% | 4.40% |
85 years and over | 874 | 1.13%, see rank | 1.50% | 1.71% |
US Census 2000 data
Total population: 54,977
Median Age (
see rank)
San Marcos, CA | 32.10 years old |
California | 33.30 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
San Marcos, CA | 31.20 years old |
California | 32.20 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
San Marcos, CA | 33.10 years old |
California | 34.40 years old |
U.S. | 36.50 years old |
| San Marcos, CA | % of the Total Population | California | U.S. |
Under 5 years | 4,821 | 8.77%, see rank | 7.34% | 6.81% |
5 to 9 years | 4,906 | 8.92%, see rank | 8.05% | 7.30% |
10 to 14 years | 4,015 | 7.30%, see rank | 7.59% | 7.29% |
15 to 19 years | 3,719 | 6.76%, see rank | 7.24% | 7.18% |
20 to 24 years | 3,730 | 6.78%, see rank | 7.03% | 6.74% |
25 to 34 years | 8,995 | 16.36%, see rank | 15.44% | 14.18% |
35 to 44 years | 8,749 | 15.91%, see rank | 16.19% | 16.04% |
45 to 54 years | 6,005 | 10.92%, see rank | 12.79% | 13.39% |
55 to 64 years | 3,512 | 6.39%, see rank | 7.72% | 8.63% |
65 to 74 years | 2,986 | 5.43%, see rank | 5.57% | 6.54% |
75 to 84 | 2,606 | 4.74%, see rank | 3.79% | 4.39% |
85 years and over | 933 | 1.70%, 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.