Adjacent counties

• Echols County, Georgia - north
• Columbia County - east
• Suwannee County - south
• Madison County - west
• Lowndes County, Georgia - northwest

Major Highway

• Interstate 75
• U.S. Route 41
• U.S. Route 129
• State Road 6
• State Road 100
• State Road 136
• State Road 143

Voter Registration

According to the Secretary of State's Office, as of February 28, 2023, Republicans hold a plurality of registered voters in Hamilton County for the first time in over a century. The county has radically shifted from being a Democratic stronghold to becoming a Republican one during the 21st century.

2020 census

As of the 2020 United States census, there were 14,004 people, 4,381 households, and 3,082 families residing in the county.

2000 census

As of the census^[15] of 2000, there were 13,327 people, 4,161 households, and 2,995 families residing in the county. The population density was 26 people per square mile (10 people/km²). There were 4,966 housing units at an average density of 10 per square mile (3.9/km²). The racial makeup of the county was 58.79% White, 37.72% Black or African American, 0.42% Native American, 0.20% Asian, 0.02% Pacific Islander, 1.69% from other races, and 1.17% from two or more races. 6.36% of the population were Hispanic or Latino of any race.

There were 4,161 households, out of which 32.90% had children under the age of 18 living with them, 50.30% were married couples living together, 16.80% had a female householder with no husband present, and 28.00% were non-families. 24.10% of all households were made up of individuals, and 9.10% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.07.

In the county, the population was spread out, with 23.50% under the age of 18, 10.80% from 18 to 24, 31.80% from 25 to 44, 22.80% from 45 to 64, and 11.20% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 135.00 males. For every 100 females age 18 and over, there were 145.40 males.

The median income for a household in the county was $25,638, and the median income for a family was $30,677. Males had a median income of $26,999 versus $20,552 for females. The per capita income for the county was $10,562. About 21.70% of families and 26.00% of the population were below the poverty line, including 35.70% of those under age 18 and 16.10% of those age 65 or over.

City

• Jasper

Towns

• Jennings
• White Springs

Unincorporated communities