Wailuku Population

1870–2026

15,856

2026 projection

9.5% since 2020 (decrease)

05K10K15K20K18801900192019401960198020002020

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 Wailuku. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,856+340.21%
202515,822+680.22%
202315,754-8365.04%
202216,590+9205.87%
202115,670-1,85310.57%
202017,523-1851.04%
201917,708+3542.04%
201817,354+3592.11%
201716,995+8165.04%
201616,179+1150.72%

Showing 10 of 24 years.

Wailuku Demographics

43.8median age

Median age

Female46.1 yrs
Male40.2 yrs

Adults

12,852
3,062 seniors · 24%9,790 other adults

Sex

Female 49% · 8,296Male 51% · 8,630

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 169 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

Wailuku Income

$102,942median household income

Median household income

$102,942

Half of households earn more, half earn less

Median earnings

$58,913

Typical yearly pay for a worker 25 or older.

Poverty rate

4.6%

About 1 in 22 residents

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

Wailuku Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%53%51%
Never married30%35%26%
Divorced11%9%13%
Widowed6%2%9%
Separated1%<1%1%

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