Marshall County, OK — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
15,628
Male
7,960
50.9%
Female
7,668
49.1%
Median Age
42.0 yrs
Avg Household Size
2.7
Foreign Born
6.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher11.7%
High School or Higher37.8%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.9%
Disability
0.0%
Non-English Home
10.6%
Married
45.2%
Marshall County, OK has a population of 15,628 according to 2023 Census Bureau estimates. The median age is 42.0 years. The largest racial or ethnic group is White at 67.2% of the population. 11.7% of residents hold a bachelor's degree or higher. 6.5% of residents are foreign-born.