State comparison · 2025
Police and Sheriff's Patrol Officers salary: Illinois vs South Dakota
Police and Sheriff's Patrol Officers in Illinois earn a median of $100,520. In South Dakota, $60,740. After cost-of-living, the gap is 46.6% — not 65.5%.
Nominal pay gap
+65.5%
Illinois vs South Dakota
COL-adjusted gap
+46.6%
After BEA Regional Price Parities
Illinois
Police and Sheriff's Patrol Officers
- Median
- $100,520
- p25
- $76,480
- p75
- $107,810
- p10
- $58,420
- p90
- $119,560
- COL index (BEA RPP)100 = US average
- 100.0
South Dakota
Police and Sheriff's Patrol Officers
- Median
- $60,740
- p25
- $52,330
- p75
- $72,000
- p10
- $47,540
- p90
- $91,900
- COL index (BEA RPP)100 = US average
- 88.6
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.