Updated June 22, 2026
See how neighborhoods in San Marcos compare on population age profile. Rankings are based on measured data aggregated across each neighborhood boundary. How population age profile is measured →
Residents will experience a balanced demographic spread featuring young adults, families, and seniors. This age variety is notably more diverse than the typical profile found across San Marcos, according to iHuus data.
A balanced mix of young adults, families, and older residents defines the area. According to iHuus data, the age distribution is more varied than the San Marcos city average.
Residents live alongside a varied demographic of young adults, families, and older individuals. This population spread is more balanced than the average found across San Marcos, according to iHuus data.
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Willow Creek | 5.8 | #1 | +1.9 ↑ |
| Hills of Hays | 5.1 | #2 | +1.2 ↑ |
| East Guadalupe | 4.8 | #3 | +0.9 ↑ |
| Wallace Addition | 4.7 | #4 | +0.8 ↑ |
| Rio Vista | 4.7 | #5 | +0.8 ↑ |
| Hunter's Hill | 4.7 | #6 | +0.8 ↑ |
| Blanco Vista | 4.6 | #7 | +0.7 ↑ |
| Sunset Acres | 4.6 | #8 | +0.7 ↑ |
| Mockingbird Hills | 4.5 | #9 | +0.6 ↑ |
| Westover | 4.5 | #10 | +0.6 ↑ |
| Cottonwood Creek | 4.4 | #11 | +0.5 ↑ |
| Victory Gardens | 4.4 | #12 | +0.5 ↑ |
| Blanco Gardens | 4.4 | #13 | +0.5 ↑ |
| El Camino Real | 4.3 | #14 | +0.4 ↑ |
| Blanco River North | 4.2 | #15 | +0.3 ↑ |
| Castle Forest | 4.2 | #16 | +0.3 ↑ |
| Southwest Hills | 4.1 | #17 | +0.2 ↑ |
| Hughson Heights | 4 | #18 | +0.1 ↑ |
| Dunbar | 4 | #19 | +0.1 ↑ |
| Heritage | 3.7 | #20 | -0.2 ↓ |
| Two Rivers East | 3.7 | #21 | -0.2 ↓ |
| Millview West | 3.7 | #22 | -0.2 ↓ |
| Sierra Circle | 3.7 | #23 | -0.2 ↓ |
| Downtown | 3.7 | #24 | -0.2 ↓ |
| Tanglewood | 3.6 | #25 | -0.3 ↓ |
| Oak Heights | 3.5 | #26 | -0.4 ↓ |
| Millview East | 3.3 | #27 | -0.6 ↓ |
| Holland Hills | 3.2 | #28 | -0.7 ↓ |
| Fiarlawn | 3.1 | #29 | -0.8 ↓ |
| Forest Hills | 2.6 | #30 | -1.3 ↓ |
| Sessom Creek | 2.5 | #31 | -1.4 ↓ |
| Spring Lake Hills | 2.3 | #32 | -1.6 ↓ |
iHuus Neighborhood Intelligence Insights
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