ZIP Code Tabulation Area · Illinois

ZIP Code 61770: McLean County, IL

ZIP Code 61770 (McLean County, Illinois) has an estimated 1,067 residents in 387 households. The median household income is $60,750, the median home value is $110,900 and the median gross rent is $973/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

1,067

Margin of error ±216

Median household income

$60,750

Margin of error ±$9,984

Median home value

$110,900

Margin of error ±$17,340

Median gross rent

$973/mo

Margin of error ±$218

Median age

37.7 yrs

Margin of error ±5.0 yrs

Mean travel time to work

33.7 min

Margin of error ±12.2 min

How ZIP 61770 compares with Illinois and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 6177037.7 yrsIllinois39.0 yrsUnited States38.9 yrs

Median household income

ZIP 61770$60,750Illinois$83,390United States$80,734

Per capita income

ZIP 61770$29,402Illinois$46,406United States$44,673

Poverty rate

ZIP 6177016.9%Illinois11.8%United States12.5%

Unemployment rate

ZIP 617706.2%Illinois5.8%United States5.2%

Bachelor's degree or higher

ZIP 6177016.4%Illinois37.8%United States35.7%

Median home value

ZIP 61770$110,900Illinois$263,300United States$332,700

Median gross rent

ZIP 61770$973/moIllinois$1,274/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6177078.8%Illinois67.1%United States65.2%

Mean travel time to work

ZIP 6177033.7 minIllinois27.8 minUnited States26.4 min

Worked from home

ZIP 6177016.8%Illinois15.9%United States15.1%

All figures for ZIP 61770

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 61770 — ACS 2020–2024 5-year estimates
MeasureZIP 61770Margin of errorIllinoisUnited States
Total population1,067±21612,694,798334,922,499
Median age37.7 yrs±5.0 yrs39.0 yrs38.9 yrs
Households387±595,036,449129,227,496
Median household income$60,750±$9,984$83,390$80,734
Per capita income$29,402±$5,655$46,406$44,673
Poverty rate16.9%±6.8 pts11.8%12.5%
Unemployment rate6.2%±4.4 pts5.8%5.2%
Bachelor's degree or higher16.4%±4.4 pts37.8%35.7%
Median home value$110,900±$17,340$263,300$332,700
Median gross rent$973/mo±$218$1,274/mo$1,413/mo
Owner-occupied homes78.8%±8.1 pts67.1%65.2%
Mean travel time to work33.7 min±12.2 min27.8 min26.4 min
Worked from home16.8%±6.4 pts15.9%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 61770
GroupZIP 61770IllinoisUnited States
White alone, not Hispanic or Latino81.6%58.1%57.4%
Black or African American alone, not Hispanic or Latino6.8%13.3%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino0.0%5.9%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.7%0.0%0.2%
Some other race alone, not Hispanic or Latino0.7%0.4%0.6%
Two or more races, not Hispanic or Latino2.2%3.4%4.3%
Hispanic or Latino (of any race)7.8%18.8%19.3%

Where ZIP 61770 is

State
Illinois
Main county
McLean County
Largest overlapping place
Saybrook (1% of the ZIP's land area)
Land area
60.46 sq mi· about 18 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in McLean County

61701 Bloomington, IL61704 Bloomington, IL61705 McLean County, IL61720 McLean County, IL61722 McLean County, IL61724 McLean County, IL61726 McLean County, IL61728 McLean County, IL61730 McLean County, IL61731 McLean County, IL61732 McLean County, IL61736 McLean County, IL61737 McLean County, IL61744 McLean County, IL61745 McLean County, IL61748 McLean County, IL61752 McLean County, IL61753 McLean County, IL61754 McLean County, IL61761 Normal, IL61772 McLean County, IL61774 McLean County, IL61776 McLean County, IL

See every ZIP code in Illinois, or compare ZIP 61770 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.