| Name | Address |
Phone | Additional Information |
| Assembly of God | 118 E. Arch, Mason City |
217-482-3806 | |
| Bethel Church | East Creek 320N Road, east of Saidora |
| |
| Central Christian Church | Havana |
| |
| Christ Lutheran Church | 114 E. Walnut, Mason City |
217-482-5168 | Email |
| Christian Church | on Manito Rd east of CR 1950E, south of Buzzville |
| |
| Church of Christ | 305 S. Broadway, Havana |
| Email |
| Church of Jesus Christ of Latter Day Saints | 220 W. Main, Havana |
309-543-2010 | Includes Fam. Hist. Center |
| Church of the Nazarene | 328 S. Broadway, Havana |
309-543-4200 | |
| Easton United Methodist Church | 108 E. Main, Easton |
309-562-7410 | |
| Egypt Union Church | on CR 2180 east of CR 3200, SE of Manito |
| |
| Fairview Church | on CR 310N west of CR 800, southeast of Snicarte |
| |
| First Assembly of God Church | 629 W. Tinkham St, Havana |
309-543-6313 | |
| First Baptist Church (historical) | Havana |
| |
| First Baptist Church of Easton | Rt. 10 & Main St., Easton |
| |
| First Baptist Church of Havana | 101 S. Charlotte St., Havana |
309-543-3115 | Church History
(off-site link) |
| First Baptist Church of Mason City | 222 N. Morgan, Mason City |
217-482-3365 | Email |
| First Christian Church | 120 E. High, Mason City |
217-482-3874 | Email |
| First United Methodist Church | 101 S. Broadway, Havana |
309-543-4725 | Website |
| Grace Baptist | Havana |
| |
| New Life Ministry | 301 S. Dale Drive, Havana |
309-360-0496 | |
| Havana Southern Baptist Church | 425 N. Pearl, Havana |
309-543-6164 | Email |
| Kilbourne Baptist Church | Kilbourne |
| |
| Leases Grove Church (historical) | Co. Hwy 6 & CR 1000N, south of Teheran |
| |
| Mason City United Methodist Church | 100 E. Pine, Mason City |
217-482-5551 | Email |
| Mount Olive Church (historical) | CR 700 & CR 2900, south of Teheran |
| |
| Mount Zion Church | on CR 1500E north of CR 500, southwest of Kilbourne |
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| New Lebanon Church | CR 2200 & CR 850, southwest of Easton |
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| Pennsylvania Lane Church | Co. Hwy 6 between CR 3250E & CR 3330, northwest of Mason City |
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| Presbyterian Church | on Manito Rd west of CR 2100E, southeast of Buzzville |
| |
| Saint Barnabas Episcopal Church | 420 N. Plum St, Havana |
309-543-2430 | Website |
| Saint Columba Catholic Church | Mason City |
| |
| Saint Johns Lutheran Church | 10844 CR 1400E, Bath |
309-546-2434 | Email |
| Saint Lukes Church | south of CR 1600 & CR 3600, southwest of Allen |
| |
| Saint Lukes Lutheran Church | Mason City |
217-482-5822 | |
| Saint Patrick Catholic Church | 437 S. Orange St, Havana |
| |
| Saint Pauls Church | CR 2180 east of CR 3300, southeast of Manito |
| |
| Saint Pauls Evangelical Lutheran Church | 121 N. Pearl St., Havana |
309-543-4850 | Email |
| San Jose Christian Church | 101 E. Pine, San Jose |
309-247-3312 | |
| San Jose United Methodist Church | 114 Salem Ct., San Jose |
309-247-3232 | |
| Union Church | CR 3400 between Hilst & Lippert Roads, on Mason/Tazewell Co line |
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| United Presbyterian Church | Main & High Streets, Mason City |
217-482-5438 | Email |