Hamilton County Population

1860–2026

8,644

2026 projection

4.8% since 2020 (increase)

05K10K15K20K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Hamilton County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,644-360.41%
20258,680-360.41%
20248,716+1131.31%
20238,603+2933.53%
20228,310+690.84%
20218,241-110.13%
20208,252-2132.52%
20198,465-270.32%
20188,492+790.94%
20178,413+1682.04%

Showing 10 of 31 years.

Hamilton County Demographics

43.5median age

Median age

Female45.1 yrs
Male42.6 yrs

Adults

6,517
2,095 seniors (65+) · 32% of adults4,422 other adults

Sex

Female 50.5% · 4,245Male 49.5% · 4,161

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 84 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Hamilton County Income

$58,219median household income

Median household income

$58,219

Half of households earn more, half earn less

Median earnings

$47,475

Typical yearly pay for a worker 25 or older.

Poverty rate

16.5%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Hamilton County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%55%44%
Never married23%26%21%
Divorced13%13%14%
Widowed12%5%19%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201