St. Augustine, Illinois

Population

Down 3.4% since 2020.

113

people, the 1209th-largest of Illinois's cities and towns.

Census Population Estimates, 2025. Rank among Illinois's cities and towns computed by the Almanac. Sources: Census Population Estimates

The workday

Every job here goes to someone who lives somewhere else.

100.0%

of 12 jobs located in St. Augustine are filled by in-commuters.

Census LEHD LODES, 2023. Sources: Census LEHD LODES

The seam

Cross one tract line and median rent doubles.

A $457 gap between neighbors, the sharpest rent edge between adjacent tracts in Knox County.

• $474 Tract 8
• $931 Tract 6

Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year

Building

Most of the housing here is older than 2000.

• 0 homes permitted, 2022–2025
• 88% of all homes were built before 2000

Census Building Permits Survey, 2022–2025; Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census Building Permits Survey, Census ACS 5-year

Units needed

None of three estimates finds a housing shortfall here.

0

is the estimated number of missing housing units, from the lowest to the highest of three estimates.

Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac

Home value

A median home costs 81% less than Illinois's.

$49,000

median home value in St. Augustine.

• $49,000 St. Augustine
• $263,300 Illinois
• $332,700 U.S.

Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year