Mariaville Lake, NY Profile: Facts, Map & Data


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Mariaville Lake, New York - Basic Facts

The Mariaville Lake Census Designated Place had a population of 740 as of July 1, 2018. Mariaville Lake ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Mariaville Lake is located at latitude 42.8249 and longitude -74.1302 in Schenectady County. The formal boundaries for the Mariaville Lake Census Designated Place (see map below) encompass a land area of 5.62 sq. miles and a water area of 0.38 sq. miles. Schenectady County is in the Eastern time zone (GMT -5). The elevation is 1,289 feet.

The Mariaville Lake Census Designated Place (GNIS ID: 2390121) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Mariaville Lake Census Designated Place is located within Town of Duanesburg, a minor civil division (MCD) of Schenectady County.

Beneath the boundary map are tables with Mariaville Lake population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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Mariaville Lake Census Designated Place, NY Boundary Map

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Mariaville Lake, NY Data & Demographics (As of July 1, 2018)


Total Population 740
Population in Households 737
Population in Familes 629
Population in Group Qrtrs 3
Population Density2 132
Diversity Index3 9


Median Household Income $95,555
Average Household Income $102,714
Per Capita Income $39,664


Total Housing Units 358 (100%)
Owner Occupied HU 259 (72.3%)
Renter Occupied HU 29 ( 8.1%)
Vacant Housing Units 70 (19.6%)
Median Home Value $264,894
Average Home Value $351,731


Total Households 288
Average Household Size 2.56
Family Households 212
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.3% 0.16%
Households 0.26% 0.07%
Families 0.47% 0.09%
Median Household Income   1.28%
Per Capita Income   2.65%

Mariaville Lake, NY - Peer Comparisons by Rank and Percentile

The table below compares Mariaville Lake to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 909 24th
Population Density # 1166 3rd
Diversity Index # 1067 10th
Median Household Income # 305 75th
Per Capita Income # 408 66th

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.

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