DeKalb County, IL Local Data & Statistics

State: IL

Total population: 100,703 Household income: $70,724 Rent: $1,049

Overview

Total population

100,703

Rent

$1,049

Year built

1978

Household income

$70,724

Per capita income

$36,298

Poverty rate

14.8%

Unemployment rate

4.0%

Household size

2.4 persons

Rent over 30% of income

53.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available, with the exception of the unemployment rate, which is sourced from the Bureau of Labor Statistics (BLS). ACS 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State

Illinois

Total population

100,703

Adults over 25

60,637

Total households

39,550

Household size

2.4 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Income & Poverty

Household income

$70,724

Per capita income

$36,298

Poverty rate

14.8%

Unemployment rate

4.0%

Rent over 30% of income

53.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Housing

Rent

$1,049

Year built

1978

Households that rent

38.6%

Households that own

61.4%

Rooms per home (all homes)

5.6

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Race

White

74.2%

Black

Asian

2.3%

Two or more races

10.5%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Ethnicity

Hispanic or Latino

14.5%

Not Hispanic or Latino

85.5%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Commute

Commute rate

90.7%

Commute time to work

27 mins

Work from home

9.3%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Education

Less than high school

29.3%

High school graduate or GED

26.2%

Some college or associate degree

11.5%

Bachelor’s degree or higher

33%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Comparison of DeKalb County, IL with: Chicago Metro Area, IL-IN Illinois United States

DeKalb County, IL

Total population100,703

Rent$1,049

Year built1978

Household income$70,724

Per capita income$36,298

Poverty rate14.8%

Unemployment rate4.0%

Chicago Metro Area, IL-IN

Total population9,371,595

Rent$1,430

Year built1971

Household income$90,887

Per capita income$49,513

Poverty rate11.2%

Unemployment rate5.1%

Illinois State

Total population12,694,798

Rent$1,274

Year built1971

Household income$83,390

Per capita income$46,406

Poverty rate11.8%

Unemployment rate5%

United States

Total population334,922,499

Rent$1,413

Year built1980

Household income$80,734

Per capita income$44,673

Poverty rate12.5%

Unemployment rate4%

Metric	CountyDeKalb County, IL	Metro AreaChicago Metro Area, IL-IN	StateIllinois	CountryUnited States
Total population	100,703	9,371,595	12,694,798	334,922,499
Rent	$1,049	$1,430	$1,274	$1,413
Year built	1978	1971	1971	1980
Household income	$70,724	$90,887	$83,390	$80,734
Per capita income	$36,298	$49,513	$46,406	$44,673
Poverty rate	14.8%	11.2%	11.8%	12.5%
Unemployment rate	4.0%	5.1%	5%	4%

View the full multi-level comparison →

Summary for DeKalb County, IL

DeKalb County is located in Illinois .

Rent & Income

In DeKalb County, the monthly rent is $1,049 and household income is $70,724. Rent is lower than both Illinois and the U.S., and household income is lower than both Illinois and the U.S. The poverty rate is 14.8%, which is higher than both Illinois and the national rate.

Housing & Affordability

This area is primarily owner-occupied, with renters accounting for about 38.6% of households. About 53.6% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is moderate, with about 33% of adults holding a bachelor’s degree or higher. The unemployment rate is 4.0%, which is lower than Illinois and similar to the national rate.

DeKalb County, IL — Rent vs Household Income

DeKalb County, IL — Poverty vs Unemployment

💰 Rent in DeKalb County, IL (with Utilities)

Estimated Monthly Rent: $1,049 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing, including the apartment or home and essential utilities such as heat, water, and electricity. Even when utilities are billed separately, an estimated average cost for utilities is included, in line with the U.S. Census Bureau’s (ACS) definition of gross rent.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in DeKalb County, IL

Annual Household Income: $70,724

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in this area — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in DeKalb County, IL

Estimated Rate: 14.8%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in DeKalb County, IL

In DeKalb County, IL, households that rent: 15,270 (38.6%)

📊 What does the renter household percentage reveal about this area?

Household Type	Count	Share
Renter-Occupied	15,270	38.6%
Owner-Occupied	24,280	61.4%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in DeKalb County, IL

In DeKalb County, IL, cost-burdened renters (households spending over 30% of income on housing): 8,184 (53.6%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?

Household Group	Households	Share
Cost-burdened renters (over 30%)	8,184	53.6%
Other renter households	7,086	46.4%
Total renter households	15,270	100%

Shares are calculated as a percentage of renter households.

This shows how many renters in this area are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in DeKalb County, IL

Less than High School: 17,795 people (29.3%)

Includes adults who did not complete high school.

High School Graduate or GED: 15,873 people (26.2%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 6,989 people (11.5%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 19,980 people (33%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 60,637

📊 Unemployment Rate in DeKalb County, IL

Estimated Rate: 4.0%

💡 What does Unemployment Rate mean?

Definition: The unemployment rate is the percentage of people in the labor force who do not have a job but are actively looking for one.

Labor Force = Employed + Unemployed (aged 16+ and actively participating in the workforce).

Formula: (Unemployed ÷ Labor Force) × 100

Does NOT include: People who are retired, students not looking for work, homemakers, or otherwise not seeking employment.

Example: If there are 1000 people in the labor force and 80 are unemployed, then the unemployment rate is 8%.

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.