In 2018, Martin County, TX had a population of 5.61k people with a median age of 32.2 and a median household income of $69,722. Between 2017 and 2018 the population of Martin County, TX grew from 5,547 to 5,614, a 1.21% increase and its median household income declined from $71,115 to $69,722, a -1.96% decrease.
The 5 largest ethnic groups in Martin County, TX are White (Non-Hispanic) (53%), White (Hispanic) (29.8%), Other (Hispanic) (13.8%), American Indian & Alaska Native (Hispanic) (1.53%), and Black or African American (Non-Hispanic) (0.855%). 0% of the households in Martin County, TX speak a non-English language at home as their primary language, and 95.4% of the residents in Martin County, TX are U.S. citizens.
In 2018, the median property value in Martin County, TX was $133,100, and the homeownership rate was 76.9%. Most people in Martin County, TX drove alone to work, and the average commute time was 17.8 minutes. The average car ownership in Martin County, TX was 2 cars per household.