If I were living at that time vs If I was living at that time

Some examples from the web:

• If I were living in Roman times, I would live in Rome.
• I feel as if I were living on borrowed time right now.
• If I were living that close to the Cardassians, I'd keep a phaser under my pillow, too.
• When I die, I order these gentlemen to treat you as if I were living still.
• Sometimes I feel as if I were living in an HG Wells novel.
• I am as cold as if I were living in a dungeon, and no matter what I write, it's dry, hard, dark.
• You were living at his house.
• I heard you were living at the furniture store.
• I thought you were living at sunnyvale then.
• It was back when we were living at the center.
• I'm traveling so much these days, I feel as if I were living on an airplane.
• And we were living at this apartment in a decent part of town.
• It's got me nostalgic for the times that you were living at home.
• Nikki and I were living on the streets when we found parkour.
• All those years, Raitt and I were living in the same city.
• And you were living at Tides Caravan Park on July 18th 2013?
• If you were living at this shelter, like you told your new daddy, then I got nothing to go on and you will die.
• We don't know for sure which routes they took, but new evidence shows that very early on, modern humans were living at the extreme southern edge of the continent.
• The report points out, however, that more than 68 million or 15% of the EU population were living at risk of poverty in 2002.
• You know, these call dates - they're all from the time that Malia and I were living together.

Some examples from the web:

• In 1943, I was living at Neuhaus'.
• Since my apartment's roof collapsed, I was living at a hotel.
• - Who said I was living at the beach?
• I think if I were here full-time, I'd feel like I was living in some kind of dream world, you know?
• It was as if I was living in a stagnant pool and cancer dynamited the boulder that was separating me from the larger sea.
• If I was living here, I'd want to kill myself, too.
• He was living at this tiny little house in Aberdeen.
• She said she was living at the hotel.
• - That doesn't explain why she was living at your house.
• It was my birthday and I spent it writing a report stating she was living at Whitely's.
• Maybe Amy told you that when she was living at her parents' house.
• In fact, she told me that she was living at sunnyvale in junior high.
• And I decided about that time, about age 10, that it would be really cool if I was a test driver.
• Most of that time, she was living on disability, and so they...
• I heard him say he was living at the old Griffin place.
• The one who was living at the old Compton house?
• I've been living at a dead run and I was tired.
• But I was still living at home...
• But you killed the lie that I was living.
• In May 1994, I was living here.