Hamilton County Population

1880–2026

2,491

2026 projection

0.1% since 2020 (increase)

01K2K3K4K18801900192019401960198020002020

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.
20262,491-90.36%
20252,500-90.36%
20242,509+361.46%
20232,473+150.61%
20222,458-210.85%
20212,479-100.40%
20202,489-261.03%
20192,515-692.67%
20182,584-250.96%
20172,609-190.72%

Showing 10 of 29 years.

Hamilton County Demographics

32.1median age

Median age

Female32.6 yrs
Male32 yrs

Adults

1,635
291 seniors (65+) · 18% of adults1,344 other adults

Sex

Female 51.8% · 1,280Male 48.2% · 1,191

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 25 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

$70,250median household income

Median household income

$70,250

Half of households earn more, half earn less

Median earnings

$46,736

Typical yearly pay for a worker 25 or older.

Poverty rate

7%

About 1 in 14 residents

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

Hamilton County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%49%47%
Never married36%41%31%
Divorced8%7%9%
Widowed7%1%13%
Separated<1%2%<1%

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