Marietta city, Oklahoma Demographics & Population 2026

Population Overview

Marietta city is a small community located in Oklahoma. The total population is 2,837. It ranks as the 121st most populous out of 834 cities and towns in Oklahoma.

Age Demographics

The median age in Marietta city is 29.9 years. This is 19% lower than the state median of 36.9 years. With 32.8% of the population under 18, Marietta city has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Marietta city is $48,300. This is 24% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 39% lower. The poverty rate stands at 19.3%. This is 26% higher than the state poverty rate of 15.3%. The unemployment rate is 2.7%. This is 45% lower than the state rate of 4.9%. The median home value is $111,700. Housing costs are 40% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.3x, Marietta city is one of the most affordable housing markets in the area. 59.3% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Marietta city is White (non-Hispanic), making up 51.6% of the population. Hispanic or Latino residents account for 38.2%. The Black or African American population (1.8%) is well below the state average of 6.9%. The Hispanic or Latino population is significantly higher than the state average (38.2% vs 12.3%). The Asian population (0.2%) is well below the state average of 2.3%.

Education

9.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% lower than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 72.8%.

Data Sources & Methodology

All demographic data for Marietta city, Oklahoma is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Oklahoma state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 834 Census-designated places in Oklahoma. For official data, visit data.census.gov.