Chicago has a unaffiliated population share value of 39.8%. Estimated share of residents with no religious affiliation.
What this means
Higher values are generally better for this metric. STATLAS shows source names, update dates, and related places so the number is easy to verify and compare.
FAQs
What is Chicago's unaffiliated population share?
Chicago, United States has a unaffiliated population share value of 39.8% in 2026. STATLAS shows this value with source attribution and update history so it can be compared against related places.
Is Chicago strong for unaffiliated population share?
Chicago's current unaffiliated population share value is 39.8%, which reads as high. For Unaffiliated Population Share, higher values are generally stronger, so the direction of the number matters as much as the value itself.
How does Chicago compare to other cities in United States?
Chicago's unaffiliated population share value is 39.8% for 2026. Compare that value with other cities in United States and with global city profiles because higher values are generally stronger for this metric.
When was Chicago unaffiliated population share data updated?
Chicago's unaffiliated population share value of 39.8% is marked for 2026 and was last updated on 2026-05-28. STATLAS keeps this date visible next to the source record.
What source is used for Chicago unaffiliated population share?
Chicago's unaffiliated population share value of 39.8% uses Pew Research Center Religion Demographics as the displayed source family. The metric description is: Estimated share of residents with no religious affiliation.