Manlius Population

1860–2026

4,556

2026 projection

2.3% since 2020 (decrease)

01K2K3K4K5K6K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Manlius. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,556-270.59%
20254,583-150.33%
20244,598-90.20%
20234,607-230.50%
20224,630-481.03%
20214,678+160.34%
20204,662-410.87%
20194,703+110.23%
20184,692+120.26%
20174,680-160.34%

Showing 10 of 32 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Manlius has a population change lower than Onondaga County, New York, and the U.S.

  • United States+3.1%
  • New York−0.6%
  • Onondaga County−1.9%
  • Manlius−2.6%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Manlius Demographics

42.4median age

Median age

Female47.9 yrs
Male39.5 yrs

Adults

3,718
1,115 seniors (65+) · 30% of adults2,603 other adults

Sex

Female 53.5% · 2,484Male 46.5% · 2,160

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 46 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

Manlius Income

$69,942median household income

Median household income

$69,942

Half of households earn more, half earn less

Median earnings

$58,827

Typical yearly pay for a worker 25 or older.

Poverty rate

8.4%

About 1 in 12 residents

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

Manlius Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%50%45%
Never married29%38%22%
Divorced13%8%17%
Widowed9%3%14%
Separated2%<1%2%

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