County
Antrim
Armagh
Carlow
Cavan
City of Belfast
City of Cork
Clare
Cork E.R.
Cork W.R.
Donegal
Down
Dublin
Dublin City
Fermanagh
Galway E.R.
Galway Town
Galway W.R.
Kerry
Kildare
Kilkenny
Kilkenny City
Kings County
Leitrim
Limerick
Limerick City
Londonderry
Londonderry City
Longford
Louth
Mayo
Meath
Monaghan
Queens County
Roscommon
Sligo
Tipperary N.R.
Tipperary S.R.
Tyrone
Waterford
Waterford City
Westmeath
Wexford
Wicklow
   RIC / DMP Stations for : Down

 District Station
 Banbridge Banbridge
   Ballyalley
   Dromara
   Dromore
   Gilford
   Hillsborough
   Laurencetown
   Lougbbrickland
   Moira
   Scarva
   Waringstown
 Downpatrick Downpatrick
   Ardglass
   Ballynahinch
   Clough
   Crossgar
   Dundrum
   Killough
   Killyleagh
   Newcastle
   Saintfield
   Strangford
 Newtownards Newtownards
   Ballygowan
   Bangor
   Comber
   Donaghadee
   Grey-abbey
   Hollywood
   Kircubbin
   Newtownbreda
   Portaferry
   Strandtown
 Rathfriland Rathfriland
   Ballyward
   Bryansford
   Castlewellan
   HilltownJ
   Kilkeel
   Mayo Bridge
   Hide Market
   Church St.
   Rostrevor
   Warrenpoint

Notes:

List of Royal Irish Constabulary (R.I.C.) and Dublin Metropolitan Police (D.M.P.) stations c1890

The headquarters of each district is indicated in bold.

W.R., S.R. refer to West Riding, South Riding etc, which are divisions of the larger counties.

The D.M.P. served Dublin city and parts of south east County Dublin, out as far as Kingstown (now Dún Laoghaire)