South Antrim.

South Antrim is a Northern Ireland seat of roughly 106,000 people, with an electorate near 77,000 and a median age of 39, slightly below the national figure. It is not the territory of a single dominant town but a spread of communities sitting north and west of Belfast on boundaries redrawn in 2023. Local services are run by two Northern Ireland council authorities, an arrangement that makes the seat administratively split rather than self-contained. The bulk of the constituency -- 26 of its wards -- falls under Antrim and Newtownabbey, with a further two wards under Lisburn and Castlereagh.

That two-council geography shapes how local politics is run, though recent ward-level results are not on record here, so the direction of travel in council chambers cannot be read with confidence. The parliamentary picture is clearer. In 2024 the Ulster Unionist Party took the seat on 38 per cent, with the Democratic Unionist Party second on roughly a fifth of the vote -- a wider margin than five years earlier, when the DUP held it narrowly ahead of the UUP. The sitting member, Robin Swann, returned for the Ulster Unionists at that election and has shown no whipped dissent in recent months. His parliamentary attention has tended toward the economy, defence and health.

The seat appears to have moved from a tight unionist contest in 2019 toward a more comfortable Ulster Unionist position in 2024, though the unionist vote remains divided and the longer pattern is one of exchange between the two parties. Recent local coverage has had a largely administrative and civic character, turning on housing, planning and council business rather than national controversy, which suggests a constituency with a quiet profile for now. On the figures available, South Antrim reads as competitive between unionist rivals rather than settled, its standing dependent on how that contest is fought next time.