Mason County, Illinois

IL · FIPS 17125 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
12,745
Rank #2,302 of 3,222
29th %ile
Median Household Income
$62,845 −16.4% vs nat'l
Rank #1,817 of 3,222
44th %ile
Poverty Rate
14.8% +17.7% vs nat'l
Rank #1,920 of 3,222
40th %ile
Median Home Value
$103,400 −63.3% vs nat'l
Rank #2,943 of 3,222
9th %ile
Bachelor's Degree or Higher
17.1% −49.4% vs nat'l
Rank #2,484 of 3,222
23th %ile
Unemployment Rate
4.9% −8.2% vs nat'l
Rank #1,922 of 3,222
40th %ile

At a Glance

81.8% Homeownership
96.1% Insured
17.1% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%8%6%4%2%0%2%4%6%8%10%

Race & Ethnicity

White (non-Hispanic)Two or More RacesHispanic or LatinoBlack (non-Hispanic)Asian (non-Hispanic)American Indian (non-Hispanic)0.0%15.7%31.4%47.1%62.8%78.5%94.2%94.2%3.1%1.6%0.5%0.4%0.2%

About Mason County, Illinois

Mason County, Illinois has a total population of 12,745, making it the 2,302nd most populous county in the United States. The median age in Mason County is 45.4 years, which is 16.7% above the national median of 38.9 years.

The median household income in Mason County is $62,845, which ranks #1,817 of 3,222 counties nationwide. This is 16.4% below the national median of $75,149. The poverty rate is 14.8%, higher than the national rate of 12.6%. The unemployment rate stands at 4.9%.

The median home value in Mason County is $103,400, 63.3% below the national median. Renters in Mason County pay a median gross rent of $802 per month. The homeownership rate is 81.8%, compared to the national rate of 64.4%.

In Mason County, 17.1% of residents aged 25 and older hold a bachelor's degree or higher, 49.4% below the national average of 33.7%. Health insurance coverage stands at 96.1% of the population. The average commute time for workers is 32.1 min.

Mason County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 94.2% of the population, followed by Two or More Races (3.1%) and Hispanic or Latino (1.6%).

All data for Mason County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.