The average cost of utilities per month is about $320. About 71% of us also report expenses for household operations, spending $1,581 on average (or $132 per month) for services that might include babysitting or eldercare, housecleaning or lawn mowing, laundry and dry cleaning, pest control, and home security systems.or the average household, transportation costs are almost as much as what’s spent on rent or the direct costs of home ownership: an average of $9,004 annually. Nearly 90% of U.S. households report spending money on gasoline, an average of nearly $3,000 per year.