Altmar Flag

Altmar

County Seat:
No
Area (mi²):
2.069
State:
New York

Altmar is a CDPlocated in Oswego County, New York. Altmar has a 2026 population of 273. Altmar is currently growing at a rate of 6.64% annually but its population has decreased by -5.54% since the most recent census, which recorded a population of 289 in 2020.

The median household income in Altmar is $46,250 with a poverty rate of 14.81%.The median age in Altmar is 35.2 years: 33.9 years for males, and 45.1 years for females. For every 100 females there are 96.0 males.

273
Total Population
132
Density (mi²)
17 6.64%
Growth

Altmar Population

Altmar Population

Year↓
Population
Growth
Annual Change
2026273176.64%
2025256177.11%
2023222-88-28.39%
2022310-2-0.64%
2021312237.96%
2020289-117-28.82%
2019406-36-8.14%
20184426116.01%
2017381298.24%
201635200%

Median Age

Overall:35.2 years
Female:45.1 years
Male:33.9 years

Altmar Adults

There are 184 adults, (16 of whom are seniors) in Altmar.

Sex Ratio

Female: 124 (51%)
Male: 119 (49%)

Demographics

The racial composition of Altmar includes 93% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population↓
Percentage (of total)
White22693%
Two or more races177%
Race
Population↓
Percentage (of total)
White22693%
Two or more races177%

Altmar Marital Status

Economics and Income Statistics

Altmar's average per capita income is $39,167. Household income levels show a median of $46,250. The poverty rate stands at 14.81%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median↓
Mean
Families$47,105$69,871
Households$46,250$52,878
Non Families$43,472$37,233
Married Families--

$39,167

Average Income

$46,250

Median Household Income

14.81%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)