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Martinton, IL
Key Indicators
A quick look at key numbers
Population
363
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
48.2
years ∙ half population younger than 48.2, half older
Diversity Index
21.4%
chance two random people differ in race and ethnicity
Nativity
3%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Martinton is a village within Iroquois County, Illinois, United States.
Co-ordinates
DEC40.915334° N, 87.726429° W
DMS40° 54′ 55.20″ N, 87° 43′ 35.14″ W
Population Density & area
1,325/sq mi
(510.5/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
55.9%
male
Male
55.9%
Female
44.1%
males per 100 females
Martinton
126.9
Iroquois County
98.5
Illinois
97.7
Nativity
3%
foreign-born population
% Foreign-born
Martinton
3%
Iroquois County
3.5%
Illinois
14.7%
Age Distribution
How the population is spread across age groups
Median Age
48.2
years ∙ half population younger than 48.2, half older
Dependency ratio
44.6
dependents per 100 working-age adults
Martinton
44.6
Iroquois County
79.1
Illinois
63.5
AGE DISTRIBUTION
Distribution of age group
Median age
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 12.7% | 21.6% | 21.8% |
| Working age (18-64) | 69.1% | 55.8% | 61.2% |
| Senior (65+) | 18.2% | 22.6% | 17% |
| Dependency ratio | |||
| Total dependency ratio | 44.6 | 79.1 | 63.5 |
| Child dependency ratio | 18.3 | 38.6 | 35.7 |
| Old-age dependency ratio | 26.3 | 40.5 | 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
21.4%
chance two random people differ in race and ethnicity
Martinton
21.4%
Iroquois County
23.2%
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 Martinton population
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Hispanic or Latino | 8.3% | 8.3% | 18.8% |
| Mexican | 7.2% | 7.3% | 14.4% |
| Puerto Rican | 0% | 0.2% | 1.6% |
| Cuban | 0% | 0.1% | 0.3% |
| Other Hispanic / Latino | 1.1% | 0.6% | 2.5% |
| Not Hispanic or Latino | 91.7% | 91.7% | 81.2% |
| One race | 90.9% | 88.8% | 77.8% |
| White | 88.2% | 87.2% | 58.1% |
| Black or African American | 0% | 0.8% | 13.3% |
| American Indian and Alaska Native | 0% | 0.1% | 0.1% |
| Asian | 2.8% | 0.3% | 5.9% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 0% | 0.4% | 0.4% |
| Two or more races (Multiracial) | 0.8% | 2.9% | 3.4% |
Household & Families Composition
Household size, type, and family structure
Household structure
74%
family
Family
74%
Non family
26%
% family households
Martinton
74%
Iroquois County
63.4%
Illinois
62.2%
Average household size
2.49
persons per household
Household & Family COMPOSITION
Households
Percentage of Martinton population
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Total households | 146 | 11,443 | 5,036,449 |
| Average houshold size | 2.49 | 2.27 | 2.46 |
| Family households | 108 | 7,251 | 3,130,978 |
| Average family size | 2.75 | 2.81 | 3.14 |
| Married couple family | 89 | 5,545 | 2,282,435 |
| Other families | 19 | 1,706 | 848,543 |
| Male householder | 10 | 522 | 248,521 |
| Female householder | 9 | 1,184 | 600,022 |
| Non-family households | 38 | 4,192 | 1,905,471 |
| One-person households | 29 | 3,757 | 1,569,881 |
| Male householder | 23 | 1,678 | 712,191 |
| Senior (65+) living alone | 11 | 600 | 210,051 |
| Female householder | 6 | 2,079 | 857,690 |
| Senior (65+) living alone | 2 | 1,172 | 417,870 |
| Other living arrangements | 9 | 435 | 335,590 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
178
housing units
Martinton
178
Iroquois County
12,789
Illinois
5,457,452
Occupancy status
82%
occupied
Occupied
82%
Vacant
18%
vacancy rate
Martinton
18%
Iroquois County
10.5%
Illinois
7.7%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
97.8%
Single family houses
Median Year Built
1952
Half of houses were built before 1952, 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
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 6.6 | 6.2 | 5.6 |
| 1–3 rooms | 1.1% | 5.7% | 14.6% |
| 4–6 rooms | 45% | 52.2% | 50.9% |
| 7+ rooms | 53.9% | 42% | 34.6% |
| Bedrooms | |||
| No bedroom / studio | 0% | 0.9% | 3.1% |
| 1 bedroom | 0% | 5.6% | 11.5% |
| 2 bedrooms | 15.7% | 28.4% | 27.7% |
| 3 bedrooms | 58.4% | 45.4% | 35.8% |
| 4+ bedrooms | 25.9% | 19.8% | 21.7% |
| At a glance | |||
| Median year built | 1952 | 1960 | 1971 |
| Total housing units | 178 | 12,789 | 5,457,452 |
Occupancy Profile
Who is inside and how they use it
Homeownership
93.2%
owners
Renter-occupied
6.8%
Owner-occupied
93.2%
homeownership rate
Martinton
93.2%
Iroquois County
80%
Illinois
67.1%
Average household size
2.55
Owner-occupied
1.6
Renter-occupied
owner-occupied average size
Martinton
2.55
Iroquois County
2.37
Illinois
2.62
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Total occupied units | 146 | 11,443 | 5,036,449 |
| Year moved in | |||
| 2020 or later | 16.4% | 16.3% | 23.3% |
| 2010 to 2019 | 18.5% | 37.2% | 38.1% |
| 2000 to 2009 | 7.5% | 18.8% | 17.3% |
| 1999 or earlier | 57.5% | 27.7% | 21.3% |
| Occupants per room | |||
| 1.00 or fewer | 100% | 99.1% | 97.5% |
| 1.01 to 1.50 | 0% | 0.8% | 1.6% |
| 1.51 or more | 0% | 0.1% | 0.8% |
| Vehicles availability | |||
| No vehicles | 0% | 4.5% | 11% |
| 1 vehicle | 8.2% | 32.6% | 35.7% |
| 2 vehicles | 45.2% | 37.4% | 35.1% |
| 3 or more vehicles | 46.6% | 25.6% | 18.3% |
| House heating fuel used | |||
| Gas | 80.8% | 79.4% | 79.5% |
| Electricity | 19.2% | 18.6% | 18.6% |
| Solar | 0% | 0% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.5% | 0.1% |
| All other fuels | 0% | 1.2% | 0.8% |
| No fuel used | 0% | 0.3% | 0.8% |
| Selected characteristics | |||
| Lacking complete plumbing | 0% | 0.5% | 0.3% |
| Lacking complete kitchen | 0% | 1% | 0.8% |
| No telephone service available | 0% | 1.1% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$105,000
owner-occupied units
Housing Cost Burden
10.8%
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
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Property value | |||
| Median Value | $105,000 | $137,800 | $263,300 |
| Under $100,000 | 47% | 34.3% | 13.7% |
| $100,000 - $200,000 | 44.8% | 35.4% | 21.5% |
| $200,000 - $300,000 | 8.1% | 17.9% | 22.3% |
| $300,000 - $500,000 | 0% | 8.7% | 27.7% |
| $500,000 - $1,000,000 | 0% | 2.5% | 12.1% |
| $1,000,000 and more | 0% | 1.3% | 2.7% |
| Owner-occupied households | |||
| With a mortgage | 66.9% | 49.6% | 60.8% |
| Without a mortgage | 33.1% | 50.4% | 39.2% |
| Median monthly owner costs | |||
| With a mortgage | $1,154 | $1,290 | $1,987 |
| Without a mortgage | $494 | $576 | $792 |
| Gross rent | |||
| Median rent | $— | $799 | $1,274 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
9.4%
of adults 25+ with a bachelor's degree or higher
Martinton
9.4%
Iroquois County
18.2%
Illinois
37.8%
Adults without a high school diploma
4.5%
of adults (25+) without a high school diploma
Martinton
4.5%
Iroquois County
10.9%
Illinois
9.6%
School Enrollment
Who is enrolled in school and at what level
School enrollment
45
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
9.6%
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
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Total enrolled (age 3+) | 45 | 5,271 | 3,051,569 |
| Nursery / preschool | 0% | 8% | 6.3% |
| K–12 | 84.4% | 78.9% | 67.3% |
| Kindergarten | 8.9% | 6.5% | 4.9% |
| Elementary: Grades 1–4 | 6.7% | 22.2% | 19.5% |
| Elementary: Grades 5–8 | 17.8% | 22.8% | 20.8% |
| High School: Grades 9–12 | 51.1% | 27.5% | 22.1% |
| College or graduate school | 15.6% | 13.1% | 26.4% |
| College, undergraduate | 11.1% | 10.3% | 19.8% |
| Graduate, professional school | 4.4% | 2.8% | 6.6% |
| College-going rate · 18-24 yr olds | 9.6% | 15.1% | 41.4% |
| School type | |||
| Public school | 95.6% | 86.5% | 80.5% |
| Private school | 4.4% | 13.5% | 19.5% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
265
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+
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Population (25+) | 265 | 18,700 | 8,767,004 |
| Less than 9th grade | 1.5% | 3.7% | 4.6% |
| 9th–12th, no diploma | 3% | 7.2% | 5% |
| High school diploma or GED | 47.2% | 37.4% | 25.1% |
| Some college, no degree | 27.5% | 23.4% | 19.2% |
| Associate's degree | 11.3% | 10.1% | 8.3% |
| Bachelor's degree or higher | 9.4% | 18.2% | 37.8% |
| Bachelor's degree | 6.8% | 12.7% | 22.6% |
| Graduate or professional | 2.6% | 5.5% | 15.3% |
| High School or higher | 95.5% | 89.1% | 90.5% |
Earnings by education level
percentage as applicable
Median Earnings
$52,917
Median earnings for adults 25+, by level
Poverty Rate
0%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Martinton | Iroquois County | Illinois | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $52,917 | $46,608 | $55,582 |
| Less than high school graduate | $— | $34,356 | $34,655 |
| High school graduate (includes equivalency) | $47,031 | $42,966 | $40,965 |
| Some college or associate's degree | $56,250 | $46,611 | $47,813 |
| Bachelor's degree | $43,125 | $60,000 | $73,326 |
| Graduate or professional degree | $— | $56,414 | $91,623 |
| Poverty rates | |||
| Less than high school graduate | 0% | 23.9% | 21.6% |
| High school graduate (includes equivalency) | 17.6% | 12.4% | 14.4% |
| Some college or associate's degree | 3.9% | 10.6% | 9.9% |
| Bachelor's degree or higher | 0% | 3.6% | 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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