In 2015, San Marcos, as compared to other Texas cities and metropolitan areas, fared very well, with a cost of living index of 88.6, the 3rd lowest in Texas.
In the categories of grocery items, housing, utilities, transportation, health care and miscellaneous good & services, San Marcos also came in mostly below the comparative cities and the state.
100% Composite Index Rankings - 2013
San Marcos: 88.3
San Antonio: 88.8
State of Texas: 91.8
Source: Council for Community and Economic Research (C2ER).