Your cost will vary depending on the house value, your possessions (how much stuff you have that you want to insure), if you want any extras that aren't included in regular insurance, and the exact address (claim history on that particular house, yes, even if you haven't been living there yourself). Ours runs about $500/year, and we pay into escrow as part of our monthly mortgage payment. The loan company then pays the $500 out of our escrow to the insurance company once a year. We are in MoCo also. I don't know if this is close to the average or not, but it's about the same cost as for our previous house. I think you can get options where you don't pay it into escrow, but if I recall, it either costs more or the mortgage company dings you a fractional percent on your loan if you don't escrow it...either way it costs more if you don't.
If you don't put down at least 20% of the purchase price, you will have to pay private mortgage insurance. This is totally different than insuring your home and possessions for your benefit. It is insurance to the mortgage lender that you will pay your loan, as they don't have your 20% down payment as collateral. This totally varies with the price of the home. You pay it right along with your mortgage payment every month.
Don't forget all the taxes and fees you pay at settlement. These can add up to 10k-20k, maybe even more depending on the price of the home. Then there's the realtor's fees and the settlement attorneys fees...also paid at settlement. If you want any kind of home inspection, don't forget about the cost of those.