Kirby Population

1960–2026

8,221

2026 projection

0.8% since 2020 (increase)

02K4K6K8K10K1960197019801990200020102020

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 Kirby. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,221+100.12%
20258,211+180.22%
20248,193+580.71%
20238,135-70.09%
20228,142+70.09%
20218,135-170.21%
20208,152-5776.61%
20198,729+160.18%
20188,713+260.30%
20178,687+390.45%

Showing 10 of 22 years.

Kirby Demographics

38.1median age

Median age

Female40.3 yrs
Male35.7 yrs

Adults

5,931
1,643 seniors · 28%4,288 other adults

Sex

Female 47% · 3,813Male 53% · 4,304

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 81 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

Kirby Income

$55,532median household income

Median household income

$55,532

Half of households earn more, half earn less

Median earnings

$43,896

Typical yearly pay for a worker 25 or older.

Poverty rate

13.5%

About 1 in 7 residents

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

Kirby Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%44%46%
Never married33%39%26%
Divorced13%10%17%
Widowed6%3%9%
Separated3%4%3%

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