Out-going councillors Liam Blaney (FF) and John O'Donnell (Independent) are battling it out to top the poll in the Milford Electoral Area, according to the tally figures.
With 26 of the 28 boxes opened, Cllr. O'Donnell has a small lead.
But both will be elected.
This new constituency will feature a real battle for the third seat.
Out-going Cllr. Ian McGarvey (Independent) will face a stern challenge from Maria Doherty of Sinn Féin, and the Fine Gael duo of Noel McBride and Eimer Friel.
Milford: 3 seats
Tally estimates, 26 of 28 boxes.
Liam Blaney (Fianna Fáil) 1533
Maria Doherty (Sinn Féin) 694
Eimer Friel (Fine Gael) 617
Dermot Hardy (Aontú) 286
Noel McBride (Fine Gael) 652
Ian McGarvey (Independent) 672
Charlie McGinley (Independent) 59
Declan Meehan (Independent) 533
John OíDonnell (Independent) 1612
The official count will take place tomorrow in Letterkenny.
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