Demographics & People — Marietta, Texas
Population Overview
| Population (Census) | 220 |
| Estimated 2026 | ~500 |
| Median Age | 34.1 |
| Total Households | 52 |
| Family Households | 45 |
| Average Household Size | 4.23 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 162 |
| Black or African American | 20 |
| Asian | 0 |
| Hispanic or Latino | 21 |
Heritage & Ancestry
| Group | Count |
| Other groups | 35 |
| Unclassified or not reported | 33 |
| Hispanic: Hispanic or Latino | 24 |
| Hispanic: Central American | 19 |
| Hispanic: Salvadoran | 19 |
| English | 17 |
| German | 11 |
| European | 6 |
| American | 5 |
| Irish | 5 |
Language
| English Only | 201 |
| Spanish | 15 |
| Population 5+ | 216 |
Veterans
| Veterans | 8 |
| Population 18+ | 81 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marietta, Texas.