Katy Population

1950–2026

29,713

2026 projection

32.4% since 2020 (increase)

05K10K15K20K25K30K19501960197019801990200020102020

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 Katy. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202629,713+1,3404.72%
202528,373+5762.07%
202427,797+1,1604.35%
202326,637+1,2344.86%
202225,403+1,6106.77%
202123,793+1,3566.04%
202022,437+7703.55%
201921,667+2,33512.08%
201819,332+1,1986.61%
201718,134+1,0185.95%

Showing 10 of 23 years.

Katy Demographics

37.6median age

Median age

Female38.2 yrs
Male37.3 yrs

Adults

18,044
2,790 seniors · 15%15,254 other adults

Sex

Female 51.1% · 12,859Male 48.9% · 12,325

Population by age

MaleFemale85+ years, male: 12285+ years, female: 11680–84 years, male: 21580–84 years, female: 10375–79 years, male: 20975–79 years, female: 27570–74 years, male: 31570–74 years, female: 19065–69 years, male: 50965–69 years, female: 73660–64 years, male: 61160–64 years, female: 1,20955–59 years, male: 79155–59 years, female: 58550–54 years, male: 91350–54 years, female: 88445–49 years, male: 1,14445–49 years, female: 1,00140–44 years, male: 69340–44 years, female: 86835–39 years, male: 92235–39 years, female: 97730–34 years, male: 64130–34 years, female: 92925–29 years, male: 69825–29 years, female: 50620–24 years, male: 53320–24 years, female: 66015–19 years, male: 79315–19 years, female: 1,13910–14 years, male: 1,34010–14 years, female: 9065–9 years, male: 1,0985–9 years, female: 9270–4 years, male: 7780–4 years, female: 84885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 252 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

Katy Income

$114,912median household income

Median household income

$114,912

Half of households earn more, half earn less

Median earnings

$63,286

Typical yearly pay for a worker 25 or older.

Poverty rate

8.1%

About 1 in 12 residents

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

Katy Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%62%53%
Never married25%27%24%
Divorced12%7%17%
Widowed4%3%6%
Separated<1%1%<1%

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