Port O'Connor, Texas Demographics & Population 2026

A note before these figures: with a population of 620, Port O'Connor's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Port O'Connor is a small community located in Texas, within Calhoun County. The total population is 620. It ranks as the 1199th most populous out of 1,795 Census-designated places in Texas.

Age Demographics

The median age in Port O'Connor is 66.5 years. This is 87% higher than the state median of 35.6 years. Only 12.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Port O'Connor is $95,593. This is 22% higher than the state median of $78,476. It is also 18% higher than the national median of $80,734. The poverty rate stands at 0.2%. This is 99% lower than the state poverty rate of 13.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.3%. This is 94% lower than the state rate of 5.3%. The median home value is $415,300. Housing costs are 46% higher than the state median of $283,800. The home-value-to-income ratio is 4.3x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 60% higher than the state average of 62.6%.

Race & Ethnicity

Port O'Connor has a predominantly White (non-Hispanic) population, comprising 96.8% of all residents. Hispanic or Latino residents account for 3.1%. The White (non-Hispanic) population is significantly higher than the state average (96.8% vs 39.1%). The Black or African American population (0.2%) is well below the state average of 11.9%. The Hispanic or Latino population (3.1%) is well below the state average of 39.7%.

Education

41.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% higher than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.5%. Notably, 20.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Port O'Connor, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.