All counties →

St. Francois County, MO Demographics

St. Francois County, MO is the 17th most populous of 115 counties in Missouri, with 66,922 residents across 452 square miles. That is about 148 people per square mile.

At the 2020 census

Population 66,922
Land area 452 sq mi
Density 148 / sq mi

Data: 2020 Census · American Community Survey 2024

How St. Francois County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: St. Francois County, MO

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around St. Francois County, MO — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in St. Francois County, MO

Name Population Sq mi Per sq mi
Census Tract 9503 7,817 12.4 631
Census Tract 9509.02 7,399 3.1 2,406
Census Tract 9511.02 5,134 4.4 1,166
Census Tract 9510.02 4,238 9.4 450
Census Tract 9508.02 4,065 3.1 1,306
Census Tract 9504.02 3,908 30.3 129
Census Tract 9507.03 3,375 47.0 72
Census Tract 9504.01 3,190 32.8 97
Census Tract 9507.02 3,118 57.4 54
Census Tract 9501.03 2,875 18.2 158
Census Tract 9501.06 2,850 66.8 43
Census Tract 9506 2,822 49.7 57
Census Tract 9507.01 2,557 58.3 44
Census Tract 9508.01 2,536 1.5 1,709
Census Tract 9510.01 2,455 2.3 1,065
Census Tract 9509.01 2,398 2.1 1,161
Census Tract 9511.01 2,308 1.7 1,374
Census Tract 9501.04 2,096 30.8 68
Census Tract 9501.05 1,763 20.7 85

Related places

About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →