Seahill
Seahill railway station
Seahill Location within County Down
Population	1,018 (2011 Census)
District	North Down
County	County Down
Country	Northern Ireland
Sovereign state	United Kingdom
Post town	HOLYWOOD
Postcode district	BT18
Dialling code	028
UK Parliament	North Down
List of places UK Northern Ireland Down 54°39′51″N 5°45′54″W / 54.664037°N 5.764948°W / 54.664037; -5.764948

Seahill is a village on the northern coast of County Down, Northern Ireland. It is within the townland of Ballyrobert,^[1] with Holywood to the west and Helen's Bay and Crawfordsburn to the east. Seahill was once a stand-alone settlement but it is now joined to Holywood and the Greater Belfast conurbation. In the 2011 Census it had a population of 1,018 people.

Seahill is classified as a village by the NI Statistics and Research Agency (NISRA) (i.e. with population between 1,000 and 2,250 people). On Census day (27 March 2011) there were 1,018 people living in Seahill. Of these:

• 17.0% were aged under 17 years and 24.6% were aged 65 and over
• 50.1% of the population were male and 49.9% were female
• 62.2% identified as Christian, 23.0% as non-religious and 14.1% as Roman Catholic
• 1.4% of people aged 16–74 were unemployed

Seahill railway station was opened on 4 April 1966.

• List of towns and villages in Northern Ireland