Boone County Population

1850–2026

20,054

2026 projection

7.8% since 2020 (decrease)

05K10K15K20K25K30K35K186018801900192019401960198020002020

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 Boone County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202620,054-1970.97%
202520,251-1970.96%
202420,448-1610.78%
202320,609-3181.52%
202220,927-4382.05%
202121,365-3811.75%
202021,746+3941.85%
201921,352-5552.53%
201821,907-4612.06%
201722,368-4351.91%

Showing 10 of 32 years.

Boone County Demographics

45.3median age

Median age

Female47.1 yrs
Male44.5 yrs

Adults

16,709
4,656 seniors (65+) · 28% of adults12,053 other adults

Sex

Female 50% · 10,510Male 50% · 10,516

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 210 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

Boone County Income

$57,093median household income

Median household income

$57,093

Half of households earn more, half earn less

Median earnings

$44,369

Typical yearly pay for a worker 25 or older.

Poverty rate

16.2%

About 1 in 6 residents

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

Boone County Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%51%47%
Never married27%32%22%
Divorced13%12%14%
Widowed10%5%15%
Separated2%1%2%

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