Definitions for marginally. Here are all the possible meanings and translations of the word marginally. Princeton's WordNet(0.00 / 0 votes)Rate this definition: marginally(adverb) in a marginal manner. marginally interesting.
Estimates. According to the Federal Reserve Bureau, the average cost of an annual premium for homeowners insurance is between $300 and $1,000. For most homeowners, the annual costs for a homeowners insurance policy can be estimated by dividing the value of the home by 1,000, then multiplying the result by $3.50.or most homeowners, the annual costs for a homeowners insurance policy can be estimated by dividing the value of the home by 1,000, then multiplying the result by $3.50.
1 Annual premiums for flood insurance on a single-family one-story home average about $400-$450 nationwide but can be as low as $112 in a low-risk area and more than $2,000 a year in flood-prone areas. 2  FloodSmart.gov provides quick quote charts for rough cost estimates and a location risk calculator.