Osbon, a Republican businessman, handily defeated Democratic candidate and longtime city councilwoman Lessie B. Price by a 65 percent (4,840 votes) to 35 percent (2,624 votes) margin.
Augusta voters swept the city's seventh sales tax to victory Tuesday with 61.5 percent of votes.
Gary Richardson, a business owner and former member of the county Planning Commission, will face Greg Grzybowski, a recently retired Army lieutenant colonel.
Jodi Lott, a politcal newcomer who is a registered nurse and co-owner of a rehabilitaion practice, will face Mack Taylor, a former assistant district attorney and county commissioner, in the runoff.
Each of four Augusta Commission votes to fill the job failed Tuesday, with one or more members' abstention or absence each time preventing the mayor from breaking a tie.
North Augusta City Council passed first reading on the development agreement ordinance and two other ordinances related to Project Jackson on Oct. 26 but did not vote on the second reading Monday.
ATLANTA - Further delays and cost overruns aren't expected for the construction of two nuclear reactors at Plant Vogtle, Georgia Power executives said Tuesday.
U.S. Rep. Rick Allen will hold a community forum from 5:30 to 6:30 p.m. Nov. 10 at the Columbia County Government Center.