Northville, NY Profile: Facts & Data


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Northville, New York - Basic Facts

The Northville CDP(1) had a population of 1,677 as of July 1, 2021. Northville ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Northville is located at latitude 40.9701 and longitude -72.619 in Suffolk County. The formal boundaries for the Northville Census Designated Place encompass a land area of 7.4 sq. miles and a water area of 0.02 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 59 feet.

The Northville Census Designated Place 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 Northville Census Designated Place is located within Town of Riverhead, a minor civil division (MCD) of Suffolk County.

Alternate Unofficial Names for Northville: Success.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Northville 2021 Demographic Data
  2. Growth Rates for Northville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New York Research Tools (Easy Tools & Current Data)
  3. New York Data Comparison Tool - 2021 Demographics

Northville, NY Data & Demographics (As of July 1, 2021)


Total Population 1,677 (100%)
Population in Households 1,660 (99.0%)
Population in Families 1,360 (81.1%)
Population in Group Quarters1 17 ( 1.0%)
Population Density 227
Diversity Index2 34


Median Household Income $89,336
Average Household Income $102,416
% of Income for Mortgage4 36%
Per Capita Income $41,056
Wealth Index5 140


Total HU (Housing Units) 964 (100%)
Owner Occupied HU 620 (64.3%)
Renter Occupied HU 52 ( 5.4%)
Vacant Housing Units 292 (30.3%)
Median Home Value $772,727
Average Home Value $984,274
Housing Affordability Index3 52


Total Households 672
Average Household Size 2.47
Family Households 480
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 2.01% 0.65%
Households 2.12% 0.68%
Families 1.98% 0.62%
Median Household Income   2.6%
Per Capita Income   2.53%
Owner Occupied HU   0.76%

Northville, NY - Peer Comparisons by Rank and Percentile

The table below compares Northville to the other 1,195 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2021 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 # 671 44th
Population Density # 1111 7th
Median Household Income # 383 68th
Housing Affordability Index # 54 5th
Per Capita Income # 420 65th
Diversity Index # 440 63rd

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

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