Inga was born in Ólafsfjörður to Ástvaldur Einar Steinsson (born 21 August 1930), a fisherman, and Sigríður Sæland Jónsdóttir (born 25 June 1937), a housewife. She moved to Reykjavík in 1994. She got a BA in law and a partial degree in political science from the University of Iceland. She has a visual impairment and her political party's goals have been to better the conditions of the poor and disabled.
- "Inga Sæland – Æviágrip þingmanna". Alþingi.
- "Inga Sæland". ruv.is. 18 October 2016.
- "Flokkur Fólksins: The Populist Uprising? – The Reykjavik Grapevine". The Reykjavik Grapevine. 15 August 2017. Retrieved 21 August 2017.