Grundy County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
12,352
Male
6,144
49.7%
Female
6,208
50.3%
Median Age
41.5 yrs
Avg Household Size
2.4
Foreign Born
1.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher17.2%
High School or Higher41.2%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.0%
Disability
0.0%
Non-English Home
1.9%
Married
49.0%
Grundy County, IA has a population of 12,352 according to 2023 Census Bureau estimates. The median age is 41.5 years. The largest racial or ethnic group is White at 96.2% of the population. 17.2% of residents hold a bachelor's degree or higher. 1.3% of residents are foreign-born.