Mobile home parks in St. Clair County, Illinois
53 registered parks with 2,839 spaces. Every park below has its own page.
Buying instead? See the St. Clair County park market →
All St. Clair County · Belleville (8) · Cahokia (1) · Caseyville (7) · Collinsville (1) · Dupo (3) · E St Louis (1) · East Carondelet (1) · Fairmont City (5) · Fayetteville (1) · Freeburg (5) · Lebanon (2) · Marissa (2) · Millstadt (2) · New Athens (1) · Shiloh (2) · Smithton (1) · Summerfield (1) · Swansea (9)
- 53Registered parks
- 2,839Total spaces
- 29Median park size
53 registered parks hold 2,839 spaces in St. Clair County, Illinois. 2 of 53 run their own regulated public water system rather than a city utility, per EPA records. For scale, HUD's FY 2026 fair market rent for a two-bedroom rental in St. Clair County is $1,218/mo — the area benchmark, not any specific park's lot rent.
Free tools
- Park value & profitability estimator: what the park earns and what it's worth, at the cap rate you pick.
- Rent increase calculator: the 2026 Illinois rules applied to your park.
- RUBS calculator: split one master-meter water bill across your lots so the pennies add up exactly.
- Water submeter calculator: two meter reads in, an at-cost tenant bill out.
- Notice generator: a clean, printable rent-increase notice with the dates filled in.
- Rent receipt generator: a printable receipt for a cash, check, or money-order payment — two copies to a sheet.
- Prorated rent calculator: the exact first-month charge when someone moves in mid-cycle.
Source: Illinois Department of Public Health manufactured home communities directory (dph.illinois.gov), as of July 23, 2026. Counts come from the state's registry and can lag real life. See something out of date? Tell us, or claim the page.