St. Clair County, Illinois · County Market Snapshot
Assisted living in St. Clair County, Illinois
Demand, supply, and opportunity for small assisted living homes in St. Clair County — from the RAL Market Scout dataset.
Updated July 2026
St. Clair County, IL scores 8.3/10 (Strong) for assisted living opportunity. It has 16,976 residents aged 75+, growing -0.3%, against 13 licensed homes — a strong small-home market on RAL Market Scout's demand-vs-supply scoring.
Opportunity score
8.3/10
Strong
Population 75+
16,976
-0.3% growth
Licensed homes
13
current supply
Demand rating
3.4/10
Low
Why St. Clair County ranks here
St. Clair County scores 8.3/10 (Strong) because its 16,976 seniors 75+ are growing -0.3% against just 13 licensed homes, with referral capacity of 3.2 per 1,000 seniors from nearby hospitals, hospice, and home-health agencies. A senior median income of $54,949 and median home value of $180,300 signal the local private-pay base.
St. Clair County demand & supply detail
Population 75+
16,976
75+ growth (10-yr)
-0.3%
Dementia prevalence (65+)
8.0%
Licensed assisted living homes
13
Referral facilities nearby (hospital · hospice · SNF · home health · FQHC)
54
Referral capacity / 1k seniors
3.2
Senior median income
$54,949
Median home value
$180,300
Opportunity score
8.3 / 10 (Strong)
Licensed assisted living homes in St. Clair County
Facility
City
Beds
COLONNADE SENIOR LIVING, THE
O Fallon
125
VILLAS OF HOLLY BROOK BELLEVILLE
Belleville
103
KEYSTONE PLACE AT RICHLAND CREEK
OFallon
96
REVELA AT O'FALLON
OFallon
92
ADDINGTON PLACE OF SHILOH
Shiloh
87
CHARTER SENIOR LIVING OF SHILOH
Shiloh
63
CEDAR TRAILS SENIOR LIVING
Freeburg
61
BRIGHTLY SENIOR LIVING MASCOUTAH
Mascoutah
57
BRADFORD PLACE
Swansea
39
ASSISTED LIVING AT SILVER CREEK
Mascoutah
33
PARKWAY GARDENS
Fairview Heights
28
GARDEN PLACE MILLSTADT
Millstadt
15
ASPEN CREEK OF TROY
Troy
13
Frequently asked questions
How many assisted living homes are in St. Clair County?
St. Clair County has 13 licensed assisted living homes, serving 16,976 residents aged 75 and older.
Is St. Clair County a good market for assisted living?
St. Clair County scores 8.3 out of 10 (Strong) on RAL Market Scout, which weighs 75+ demand and projected senior growth against current bed supply. Its 75+ population is growing -0.3%.
How fast is the senior population growing in St. Clair County?
The 75+ population in St. Clair County is projected to change -0.3% over the coming decade, with dementia prevalence around 8.0% of seniors 65+.
Go deeper on St. Clair County
RAL Market Scout maps demand and supply down to the ZIP and builds a full site report for any specific address in St. Clair County.
Sources: Licensed-home count from the Illinois state roster (RAL Market Scout pipeline). 75+ population, growth, income, and home value from U.S. Census ACS. Dementia prevalence from CMS chronic-condition data. Opportunity score is RAL Market Scout's model. Snapshot: 2026-07. Informational only — not legal, financial, or investment advice.