Hennessey Population

2010–2026

2,221

2026 projection

3.7% since 2020 (increase)

05001K1.5K2K2.5K201020122014201620182020202220242026

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 Hennessey. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,221+140.63%
20252,207+100.46%
20242,197+180.83%
20232,179+241.11%
20222,155+40.19%
20212,151+100.47%
20202,141-1004.46%
20192,241-90.40%
20182,250+160.72%
20172,234+190.86%

Showing 10 of 17 years.

Hennessey Demographics

32.3median age

Median age

Female29.9 yrs
Male34.5 yrs

Adults

1,786
355 seniors · 20%1,431 other adults

Sex

Female 49.1% · 1,261Male 50.9% · 1,306

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 26 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

Hennessey Income

$70,181median household income

Median household income

$70,181

Half of households earn more, half earn less

Median earnings

$42,757

Typical yearly pay for a worker 25 or older.

Poverty rate

16.3%

About 1 in 6 residents

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

Hennessey Marital Status

59% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married59%60%59%
Never married25%25%24%
Divorced7%9%4%
Widowed8%6%9%
Separated2%<1%4%

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