Saybrook, IL Profile: Facts & Data


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Saybrook, Illinois - Basic Facts

The Village of Saybrook had a population of 712 as of July 1, 2020.

The primary coordinate point for Saybrook is located at latitude 40.4267 and longitude -88.5262 in McLean County. The formal boundaries for the Village of Saybrook encompass a land area of 0.78 sq. miles and a water area of 0.03 sq. miles. McLean County is in the Central time zone (GMT -6). The elevation is 801 feet.

The Village of Saybrook (GNIS ID: 2399767) 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 Saybrook is located within Township of Cheney's Grove, a minor civil division (MCD) of McLean County.


Saybrook, IL Data & Demographics (As of July 1, 2020)


Total Population 712 (100%)
Population in Households 712 (100.0%)
Population in Families 581 (81.6%)
Population in Group Quarters1 0
Population Density 899
Diversity Index2 10


Median Household Income $61,894
Average Household Income $74,437
% of Income for Mortgage4 9%
Per Capita Income $30,993
Wealth Index5 65


Total HU (Housing Units) 335 (100%)
Owner Occupied HU 222 (66.3%)
Renter Occupied HU 80 (23.9%)
Vacant Housing Units 34 (10.1%)
Median Home Value $135,606
Average Home Value $156,335
Housing Affordability Index3 220


Total Households 301
Average Household Size 2.37
Family Households 202
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.


2010-2020 2020-2025
Population 0.26% -0.08%
Households 0.4% 0.0%
Families 0.81% -0.2%
Median Household Income   2.29%
Per Capita Income   2.53%
Owner Occupied HU   0.09%


Saybrook, IL - Peer Comparisons by Rank and Percentile

The table below compares Saybrook to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 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 # 802 41st
Population Density # 800 42nd
Median Household Income # 544 60th
Housing Affordability Index # 588 43rd
Per Capita Income # 557 59th
Diversity Index # 926 33rd

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

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