Kollam
<0.5% 
.5-1% 
1-2% 
>2%
| # Sub-District | Population | Christians | % | Ratio | |
|---|---|---|---|---|---|
| 1 Kunnathur | कुन्नत्तूर | 199,456 | 25,135 | 12.60 | 8 |
| 2 Kollam | कोल्लम | 987,779 | 164,840 | 16.69 | 6 |
| 3 Kottarakkara | कोट्टारक्करा | 586,434 | 99,492 | 16.97 | 6 |
| 4 Pathanapuram | पत्तनापुरम | 432,904 | 94,511 | 21.83 | 5 |