Lake Success Population

1930–2026

2,854

2026 projection

1.2% since 2020 (increase)

05001K1.5K2K2.5K3K3.5K19401960198020002020

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 Lake Success. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,854+50.18%
20252,849+60.21%
20242,843+260.92%
20232,817+30.11%
20222,814-90.32%
20212,823+20.07%
20202,821-32410.30%
20193,145+70.22%
20183,138+100.32%
20173,128+270.87%

Showing 10 of 25 years.

Lake Success Demographics

46.6median age

Median age

Female47.1 yrs
Male46.5 yrs

Adults

2,113
614 seniors · 29%1,499 other adults

Sex

Female 51.9% · 1,469Male 48.1% · 1,360

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 28 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

Lake Success Income

$244,079median household income

Median household income

$244,079

Half of households earn more, half earn less

Median earnings

$113,080

Typical yearly pay for a worker 25 or older.

Poverty rate

4.4%

About 1 in 23 residents

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

Lake Success Marital Status

68% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married68%72%64%
Never married23%26%21%
Divorced4%2%6%
Widowed5%<1%9%
Separated<1%0%<1%

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