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Gridley, IL
Key Indicators
A quick look at key numbers
Population
1,390
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
37.6
years ∙ half population younger than 37.6, half older
Diversity Index
13.6%
chance two random people differ in race and ethnicity
Nativity
1.1%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Gridley is a village within McLean County, Illinois, United States.
Co-ordinates
DEC40.743684° N, 88.880908° W
DMS40° 44′ 37.26″ N, 88° 52′ 51.27″ W
Population Density & area
1,130/sq mi
(435.7/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
50.1%
male
Male
50.1%
Female
49.9%
males per 100 females
Gridley
100.6
McLean County
95.6
Illinois
97.7
Nativity
1.1%
foreign-born population
% Foreign-born
Gridley
1.1%
McLean County
7.6%
Illinois
14.7%
Age Distribution
How the population is spread across age groups
Median Age
37.6
years ∙ half population younger than 37.6, half older
Dependency ratio
87.3
dependents per 100 working-age adults
Gridley
87.3
McLean County
55.7
Illinois
63.5
AGE DISTRIBUTION
Distribution of age group
Median age
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 26.3% | 21.2% | 21.8% |
| Working age (18-64) | 53.4% | 64.2% | 61.2% |
| Senior (65+) | 20.3% | 14.6% | 17% |
| Dependency ratio | |||
| Total dependency ratio | 87.3 | 55.7 | 63.5 |
| Child dependency ratio | 49.3 | 33 | 35.7 |
| Old-age dependency ratio | 38 | 22.7 | 27.8 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
13.6%
chance two random people differ in race and ethnicity
Gridley
13.6%
McLean County
40.4%
Illinois
60.5%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Gridley population
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Hispanic or Latino | 1.4% | 6.4% | 18.8% |
| Mexican | 1.4% | 4.8% | 14.4% |
| Puerto Rican | 0% | 0.5% | 1.6% |
| Cuban | 0% | 0.2% | 0.3% |
| Other Hispanic / Latino | 0% | 1% | 2.5% |
| Not Hispanic or Latino | 98.6% | 93.6% | 81.2% |
| One race | 96.7% | 90.3% | 77.8% |
| White | 92.9% | 76.2% | 58.1% |
| Black or African American | 2.3% | 8.4% | 13.3% |
| American Indian and Alaska Native | 0% | 0.1% | 0.1% |
| Asian | 1.4% | 5.2% | 5.9% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 0% | 0.3% | 0.4% |
| Two or more races (Multiracial) | 1.9% | 3.3% | 3.4% |
Household & Families Composition
Household size, type, and family structure
Household structure
67.7%
family
Family
67.7%
Non family
32.3%
% family households
Gridley
67.7%
McLean County
57.1%
Illinois
62.2%
Average household size
2.52
persons per household
Household & Family COMPOSITION
Households
Percentage of Gridley population
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Total households | 551 | 70,220 | 5,036,449 |
| Average houshold size | 2.52 | 2.31 | 2.46 |
| Family households | 373 | 40,061 | 3,130,978 |
| Average family size | 3.18 | 3 | 3.14 |
| Married couple family | 298 | 31,123 | 2,282,435 |
| Other families | 75 | 8,938 | 848,543 |
| Male householder | 21 | 2,532 | 248,521 |
| Female householder | 54 | 6,406 | 600,022 |
| Non-family households | 178 | 30,159 | 1,905,471 |
| One-person households | 163 | 23,191 | 1,569,881 |
| Male householder | 79 | 11,229 | 712,191 |
| Senior (65+) living alone | 35 | 2,313 | 210,051 |
| Female householder | 84 | 11,962 | 857,690 |
| Senior (65+) living alone | 44 | 5,110 | 417,870 |
| Other living arrangements | 15 | 6,968 | 335,590 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
571
housing units
Gridley
571
McLean County
75,305
Illinois
5,457,452
Occupancy status
96.5%
occupied
Occupied
96.5%
Vacant
3.5%
vacancy rate
Gridley
3.5%
McLean County
6.8%
Illinois
7.7%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
80.1%
Single family houses
Median Year Built
1968
Half of houses were built before 1968, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 6 | 5.9 | 5.6 |
| 1–3 rooms | 8.3% | 14.4% | 14.6% |
| 4–6 rooms | 49.5% | 44.8% | 50.9% |
| 7+ rooms | 42.2% | 40.9% | 34.6% |
| Bedrooms | |||
| No bedroom / studio | 0.4% | 2.2% | 3.1% |
| 1 bedroom | 11.9% | 10% | 11.5% |
| 2 bedrooms | 23.3% | 25.7% | 27.7% |
| 3 bedrooms | 44.5% | 32.9% | 35.8% |
| 4+ bedrooms | 19.9% | 29.2% | 21.7% |
| At a glance | |||
| Median year built | 1968 | 1982 | 1971 |
| Total housing units | 571 | 75,305 | 5,457,452 |
Occupancy Profile
Who is inside and how they use it
Homeownership
71.5%
owners
Renter-occupied
28.5%
Owner-occupied
71.5%
homeownership rate
Gridley
71.5%
McLean County
65.1%
Illinois
67.1%
Average household size
2.65
Owner-occupied
2.2
Renter-occupied
owner-occupied average size
Gridley
2.65
McLean County
2.51
Illinois
2.62
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Total occupied units | 551 | 70,220 | 5,036,449 |
| Year moved in | |||
| 2020 or later | 14.3% | 29.3% | 23.3% |
| 2010 to 2019 | 41.6% | 39.6% | 38.1% |
| 2000 to 2009 | 19.1% | 15.8% | 17.3% |
| 1999 or earlier | 25% | 15.3% | 21.3% |
| Occupants per room | |||
| 1.00 or fewer | 99.5% | 98.7% | 97.5% |
| 1.01 to 1.50 | 0.5% | 0.7% | 1.6% |
| 1.51 or more | 0% | 0.6% | 0.8% |
| Vehicles availability | |||
| No vehicles | 1.3% | 5.9% | 11% |
| 1 vehicle | 34.7% | 36.5% | 35.7% |
| 2 vehicles | 41.6% | 39.8% | 35.1% |
| 3 or more vehicles | 22.5% | 17.8% | 18.3% |
| House heating fuel used | |||
| Gas | 80.2% | 75% | 79.5% |
| Electricity | 19.8% | 24.1% | 18.6% |
| Solar | 0% | 0.1% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.1% | 0.1% |
| All other fuels | 0% | 0.5% | 0.8% |
| No fuel used | 0% | 0.3% | 0.8% |
| Selected characteristics | |||
| Lacking complete plumbing | 0% | 0.2% | 0.3% |
| Lacking complete kitchen | 0% | 1.1% | 0.8% |
| No telephone service available | 0% | 0.3% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$141,300
owner-occupied units
Housing Cost Burden
10.4%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Property value | |||
| Median Value | $141,300 | $208,400 | $263,300 |
| Under $100,000 | 24.6% | 12% | 13.7% |
| $100,000 - $200,000 | 48.5% | 35.1% | 21.5% |
| $200,000 - $300,000 | 20.1% | 27.8% | 22.3% |
| $300,000 - $500,000 | 6.1% | 20.2% | 27.7% |
| $500,000 - $1,000,000 | 0.8% | 4.6% | 12.1% |
| $1,000,000 and more | 0% | 0.4% | 2.7% |
| Owner-occupied households | |||
| With a mortgage | 56.1% | 62.9% | 60.8% |
| Without a mortgage | 43.9% | 37.1% | 39.2% |
| Median monthly owner costs | |||
| With a mortgage | $1,294 | $1,673 | $1,987 |
| Without a mortgage | $586 | $713 | $792 |
| Gross rent | |||
| Median rent | $808 | $1,009 | $1,274 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
28.1%
of adults 25+ with a bachelor's degree or higher
Gridley
28.1%
McLean County
47.2%
Illinois
37.8%
Adults without a high school diploma
4.6%
of adults (25+) without a high school diploma
Gridley
4.6%
McLean County
4.1%
Illinois
9.6%
School Enrollment
Who is enrolled in school and at what level
School enrollment
367
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
27.4%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Total enrolled (age 3+) | 367 | 54,429 | 3,051,569 |
| Nursery / preschool | 6.8% | 4.8% | 6.3% |
| K–12 | 78.5% | 48.6% | 67.3% |
| Kindergarten | 3.8% | 3.1% | 4.9% |
| Elementary: Grades 1–4 | 21.5% | 14% | 19.5% |
| Elementary: Grades 5–8 | 27.5% | 17% | 20.8% |
| High School: Grades 9–12 | 25.6% | 14.5% | 22.1% |
| College or graduate school | 14.7% | 46.6% | 26.4% |
| College, undergraduate | 13.1% | 40.8% | 19.8% |
| Graduate, professional school | 1.6% | 5.8% | 6.6% |
| College-going rate · 18-24 yr olds | 27.4% | 68.6% | 41.4% |
| School type | |||
| Public school | 92.4% | 87.3% | 80.5% |
| Private school | 7.6% | 12.7% | 19.5% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
860
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Population (25+) | 860 | 106,224 | 8,767,004 |
| Less than 9th grade | 1% | 1.4% | 4.6% |
| 9th–12th, no diploma | 3.6% | 2.7% | 5% |
| High school diploma or GED | 33.8% | 22.4% | 25.1% |
| Some college, no degree | 21.2% | 17.5% | 19.2% |
| Associate's degree | 12.2% | 8.7% | 8.3% |
| Bachelor's degree or higher | 28.1% | 47.2% | 37.8% |
| Bachelor's degree | 20.7% | 31% | 22.6% |
| Graduate or professional | 7.4% | 16.2% | 15.3% |
| High School or higher | 95.3% | 95.9% | 90.5% |
Earnings by education level
percentage as applicable
Median Earnings
$50,647
Median earnings for adults 25+, by level
Poverty Rate
4.1%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Gridley | McLean County | Illinois | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $50,647 | $59,024 | $55,582 |
| Less than high school graduate | $35,833 | $33,813 | $34,655 |
| High school graduate (includes equivalency) | $33,646 | $42,177 | $40,965 |
| Some college or associate's degree | $52,159 | $47,761 | $47,813 |
| Bachelor's degree | $56,667 | $75,739 | $73,326 |
| Graduate or professional degree | $77,656 | $84,891 | $91,623 |
| Poverty rates | |||
| Less than high school graduate | 7.5% | 21.6% | 21.6% |
| High school graduate (includes equivalency) | 8.2% | 14.1% | 14.4% |
| Some college or associate's degree | 0.7% | 11.8% | 9.9% |
| Bachelor's degree or higher | 4.1% | 3.7% | 4.5% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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