Word of caution, a credit score that low would indicate more than one problem, I would fix those before risking everything. Problems from the past have a way of rearing their ugly head when it is least affordable.
NMLS # 6395
Financing Kentucky One Home at a Time
If you are relocating to Minneapolis check out Charles (I have pasted his link below). He is right on Trulia and can help you.
However, there's more to getting loan approval than merely the credit score. The other big factor is the debt-to-income ratio.....and probably the debt-to-income ratio of the spouse with the higher credit score.
I can help you find a great mortgage person who will look at your specific situation and provide you with a number of options, involving a number of differing lenders. Call me for details by clicking the photo of that ugly guy near this post.