Salem
<0.5% 
.5-1% 
1-2% 
>2%
| # Sub-District | Population | Christians | % | Ratio | |
|---|---|---|---|---|---|
| 1 Attur | आत्तूर | 430,949 | 3,021 | 0.70 | 143 |
| 2 Sankari | संकरी | 241,783 | 2,385 | 0.99 | 101 |
| 3 Omalur | ओमलुर | 494,355 | 5,450 | 1.10 | 91 |
| 4 Vazhapadi | वाळप्पाडी | 195,412 | 3,206 | 1.64 | 61 |
| 5 Mettur | मेट्टूर | 419,887 | 7,281 | 1.73 | 58 |
| 6 Salem | सेलम | 1,272,743 | 22,681 | 1.78 | 56 |
| 7 Gangavalli | गंगवल्ली | 161,302 | 4,739 | 2.94 | 34 |
| 8 Yercaud | येरकाड | 41,869 | 3,804 | 9.09 | 11 |