Population of Old Andhra Districts (3 excluded due to space constraints)
| Year | Anantapur | Kurnool | Prakasam | Guntur | Krishna | West Godavari | East Godavari | Visakhapatnam | Vizianagaram | Srikakulam |
| 1901 | 1025322 | 950655 | 975037 | 1133968 | 861068 | 919234 | 1339029 | 992833 | 929913 | 1060467 |
| 1911 | 1053449 | 1035333 | 1068743 | 1299257 | 993086 | 1046050 | 1511222 | 1056683 | 976938 | 1101199 |
| 1921 | 1040166 | 987117 | 1117701 | 1385050 | 1059731 | 1118436 | 1536868 | 1057223 | 987532 | 1123461 |
| 1931 | 1138081 | 1120650 | 1205223 | 1563095 | 1229176 | 1298758 | 1756747 | 1175984 | 1085952 | 1222767 |
| 1941 | 1273079 | 1222993 | 1343883 | 1755986 | 1413516 | 1465111 | 1976743 | 1314362 | 1198241 | 1333341 |
| 1951 | 1483591 | 1315499 | 1463737 | 1975395 | 1736429 | 1697727 | 2301822 | 1483653 | 1306389 | 1405792 |
| 1961 | 1767464 | 1570955 | 1671726 | 2327246 | 2076956 | 1978257 | 2608375 | 1665213 | 1411055 | 1555369 |
| 1971 | 2115321 | 1982090 | 1919995 | 2844488 | 2493574 | 2374306 | 3087262 | 2035831 | 1589558 | 1769968 |
| 1981 | 2548012 | 2407299 | 2329571 | 3434724 | 3048463 | 2873958 | 3701040 | 2576474 | 1804196 | 1959352 |
| 1991 | 3180863 | 2973024 | 2759166 | 4106999 | 3698833 | 3517568 | 4541222 | 3285092 | 2110943 | 2321126 |
| 2001 | 3640478 | 3529494 | 3059423 | 4465144 | 4187841 | 3803517 | 4901420 | 3832336 | 2249254 | 2537593 |
| 2011 | 4081148 | 4053463 | 3397448 | 4887813 | 4517398 | 3936966 | 5154296 | 4290589 | 2344474 | 2703114 |
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