Winthrop Harbor, IL Profile: Facts & Data


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Winthrop Harbor, Illinois - Basic Facts

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The Village of Winthrop Harbor had a population of 6,653 as of July 1, 2021. Winthrop Harbor ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Winthrop Harbor is located at latitude 42.4789 and longitude -87.8237 in Lake County. The formal boundaries for the Village of Winthrop Harbor encompass a land area of 4.66 sq. miles and a water area of 0.08 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 633 feet.

The Village of Winthrop Harbor has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Winthrop Harbor is located within Township of Benton, a minor civil division (MCD) of Lake County.

Alternate Unofficial Names for Winthrop Harbor: Spring Bluff.

Jump to... (On This Page!)
  1. Winthrop Harbor 2021 Demographic Data
  2. Growth Rates for Winthrop Harbor (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2021 Demographics

Winthrop Harbor, IL Data & Demographics (As of July 1, 2021)


Total Population 6,653 (100%)
Population in Households 6,643 (99.8%)
Population in Families 5,620 (84.5%)
Population in Group Quarters1 10 ( 0.2%)
Population Density 1,405
Diversity Index2 40


Median Household Income $89,783
Average Household Income $105,610
% of Income for Mortgage4 10%
Per Capita Income $41,693
Wealth Index5 123


Total HU (Housing Units) 2,750 (100%)
Owner Occupied HU 2,052 (74.6%)
Renter Occupied HU 564 (20.5%)
Vacant Housing Units 133 ( 4.8%)
Median Home Value $218,352
Average Home Value $242,547
Housing Affordability Index3 179


Total Households 2,617
Average Household Size 2.54
Family Households 1,888
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 -0.29% -0.09%
Households -0.04% 0.03%
Families -0.34% -0.04%
Median Household Income   2.2%
Per Capita Income   2.1%
Owner Occupied HU   0.37%

Winthrop Harbor, IL - Peer Comparisons by Rank and Percentile

The table below compares Winthrop Harbor to the other 1,369 incorporated cities, towns and CDPs in Illinois 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 # 291 79th
Population Density # 494 64th
Median Household Income # 166 88th
Housing Affordability Index # 363 27th
Per Capita Income # 181 87th
Diversity Index # 266 81st

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

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