Before (end of 1975)
Not known.
After (end of 1976)
Not known.
Ward results
Aberhafesp1 seat
| F. Williams | Independent | 0 ✓ |
Berriew1 seat · turnout 59.0%
| Jane Jones | Independent | 369 |
| E. Davies | Independent | 284 |
| M. Keulemans | Independent | 22 |
Churchstoke1 seat
| E. Corfield | Independent | 0 ✓ |
Darowen & Isygarreg1 seat
| G. Vaughan | Independent | 0 ✓ |
Guilsfield Without1 seat
| D. Robert | Independent | 0 |
| D. Roberts | Independent | 0 ✓ |
Kerry1 seat · turnout 62.6%
| G. Arthur | Independent | 403 |
| O. Bayliss | Independent | 281 |
| T. Davies | Independent | 42 |
Llanbrynmair1 seat · turnout 89.2%
| J. Lewis | Independent | 286 |
| H. Williams | Independent | 219 |
Llandinam1 seat
| E. Williams | Independent | 0 ✓ |
Llandysilio1 seat · turnout 38.8%
| J. Evans | Independent | 232 |
| S. Edwards | Independent | 75 |
Llandyssil1 seat
| T. Wigley | Independent | 0 ✓ |
Llanfair Caereinion1 seat
| D. Jones | Independent | 0 ✓ |
Llanfechain1 seat
| J. Pritchard | Independent | 0 ✓ |
Llanfihangel1 seat
| D. Jones | Independent | 0 ✓ |
Llanfyllin1 seat · turnout 68.7%
| A. Woosnam | Independent | 359 |
| B. Iferns | Independent | 273 |
Llangurig1 seat
| H. Bennett | Independent | 0 ✓ |
Llangynog1 seat
| D. Rowlands | Independent | 0 ✓ |
Llanidloes East2 seats
| H. Watkins | Labour | 0 ✓ |
| S. Hooson | LIB | 0 ✓ |
Llanidloes West1 seat · turnout 55.2%
| T. Pearce | Independent | 276 |
| K. Wilde | Independent | 89 |
Llanidloes Without1 seat
| D. Rees | Independent | 0 ✓ |
Llanwnog1 seat
| W. Rowlands | Independent | 0 ✓ |
Machynlleth North1 seat
| R. James | Independent | 0 ✓ |
Machynlleth South & West1 seat
| J. Holt | Independent | 0 ✓ |
Montgomery1 seat
| R. Bainbridge | Independent | 0 ✓ |
Newtown Central1 seat
| S. Pugh | Independent | 0 ✓ |
Newtown East & South3 seats · turnout 25.3%
| J. Woodhouse | Conservative | 693 |
| R. Jarman | Independent | 673 |
| E. Thomas | Independent | 505 |
| R. Sinclair | Plaid Cymru - The Party of Wales | 265 |
Newtown North2 seats · turnout 41.8%
| S. Smouth | Independent | 673 |
| N. Moore | Plaid Cymru - The Party of Wales | 403 |
| C. Hopkinson | Independent | 393 |
Newtown West1 seat · turnout 66.3%
| D. Gaskin | Independent | 82 ✓ |
| G. Baver | Independent | 50 |
| H. Davies | Independent | 44 |
| R. Lewis | Plaid Cymru - The Party of Wales | 33 |
Trefeglwys1 seat
| A. Williams | Independent | 0 ✓ |
Welshpool Buttington1 seat · turnout 56.5%
| M. Davies | Independent | 331 |
| M. Marriott | Independent | 197 |
Welshpool Castle2 seats · turnout 26.2%
| E. Roberts | LIB | 398 |
| K. Silver | Independent | 363 |
| W. Benyon | Independent | 286 |
Welshpool Guilsfield4 seats · turnout 31.6%
| D. Pryce | Independent | 811 |
| J. James | Independent | 792 |
| A. Smith | LIB | 776 |
| W. Morris | Independent | 641 |
| H. Woodcock | Conservative | 619 |
Welshpool Llanerchyddol1 seat
| J. Evans | Independent | 0 ✓ |