Alton city, Missouri Demographics & Population 2026

Population Overview

Alton city is a small community located in Missouri. The total population is 647. It ranks as the 463rd most populous out of 1,062 cities and towns in Missouri.

Age Demographics

The median age in Alton city is 37.2 years. This is 4% lower than the state median of 38.9 years. 10.5% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Alton city is $47,606. This is 31% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 39% lower. The poverty rate stands at 18.2%. This is 44% higher than the state poverty rate of 12.6%. The unemployment rate is 2.9%. This is 30% lower than the state rate of 4.1%. The median home value is $117,100. Housing costs are 46% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.5x, Alton city is one of the most affordable housing markets in the area. 61.7% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 67.9%.

Race & Ethnicity

Alton city has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Asian residents account for 3.1%. The Black or African American population (1.1%) is well below the state average of 11.0%. The Asian population is significantly higher than the state average (3.1% vs 2.1%).

Education

24.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.3%. Notably, 15.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Alton city, Missouri 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 Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. For official data, visit data.census.gov.