Isola, Mississippi Demographics & Population 2026

A note before these figures: with a population of 861, Isola's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Isola is a small community located in Mississippi, within Humphreys County. The total population is 861. It ranks as the 211th most populous out of 420 Census-designated places in Mississippi.

Age Demographics

The median age in Isola is 34.9 years. This is 10% lower than the state median of 38.6 years. With 30.4% of the population under 18, Isola has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Isola is $37,981. This is 33% lower than the state median of $56,447. It is also 53% lower than the national median of $80,734. The poverty rate stands at 35.3%. This is 87% higher than the state poverty rate of 18.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 9.8%. This is 70% higher than the state rate of 5.8%. The median home value is $88,600. Housing costs are 48% lower than the state median of $169,800. With a home-value-to-income ratio of just 2.3x, Isola is one of the most affordable housing markets in the area. 43.3% of occupied housing units are owner-occupied. This homeownership rate is 38% lower than the state average of 70.0%.

Race & Ethnicity

Isola has a predominantly Black or African American population, comprising 91.5% of all residents. White (non-Hispanic) residents account for 8.3%. The White (non-Hispanic) population (8.3%) is well below the state average of 55.2%. The Black or African American population is significantly higher than the state average (91.5% vs 36.3%).

Education

10.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 57% lower than the state rate of 25.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 77.5%.

Data Sources & Methodology

All demographic data for Isola, Mississippi is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Mississippi state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Mississippi. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.