Saybrook, IL 61770 ZIP Code Profile

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Saybrook, IL

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ZIP Code 61770: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saybrook, IL 61770

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 25
  • Single Family Addresses: 325
  • Multi-Family Addresses: 0
  • County: McLean County
  • Centroid: Latitude 40.425, Longitude -88.527
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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Saybrook, IL 61770 Data & Demographics (As of July 1, 2017)


Total Population 1,117
Daytime Population: Workers 125
Daytime Population: Residents 563
Total Daytime Population (TDP) 688
Ratio TDP/Total Population1 0.62
Population in Households 1,117
Population in Familes 922
Population in Group Qrtrs 0
Population Density2 19
Diversity Index3 9


Median Household Income $57,158
Average Household Income $74,867
Per Capita Income $30,765


Total Housing Units 513 (100%)
Owner Occupied HU 350 (68.2%)
Renter Occupied HU 109 (21.2%)
Vacant Housing Units 54 (10.5%)
Median Home Value $92,151
Average Home Value $111,357


Total Households 459
Average Household Size 2.43
Family Households 312
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 0.15% 0.28%
Households 0.15% 0.26%
Families -0.09% 0.13%
Median Household Income   3.27%
Per Capita Income   3.58%

Saybrook, IL 61770 - Peer Comparisons by Rank and Percentile

The table below compares 61770 to the other 1,377 ZIP Codes in Illinois by rank and percentile using July 1, 2017 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 # 891 35th
Population Density # 1101 20th
Diversity Index # 931 32nd
Median Household Income # 559 59th
Per Capita Income # 434 69th

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

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