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Millbrook, IL

Illinois · Kendall County · Chicago-Naperville-Elgin Metro

Millbrook is a small town in Illinois with a population of 298. Residents earn $128,750 per year, which is 71% above the national average.

4.8 /5.0
A+ Excellent
298 Population 161/sq mi density
$128,750 Median Income $41,266 per capita
$350,000 Home Value
$1,100 Median Rent 15.0% income on rent
48°F Avg Temperature 275 sunny days/yr
A+
Overall
4.8 / 5.0
Excellent overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$128,750 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$350,000 home value, $1,100/mo rent
A
Education
4.4 / 5.0
42.1% bachelor's degree or higher
Median Income $128,750
71% higher than US avg
Home Value $350,000
24% higher than US avg
Bachelor's+ 42.1%
25% higher than US avg
Median Rent $1,100
5% lower than US avg
Obesity Rate 37.2%
16% higher than US avg
Unemployment 1.9%
47% lower than US avg
Poverty Rate 6.3%
49% lower than US avg

How Millbrook Compares to the U.S. Average (100% = U.S. avg)

People

Population298
Median Age38.9 yrs
Density161/mi²
Male / Female48% / 52%
Largest GroupWhite 99%
Veterans4.9%

Economy

A+
Median Income$128,750
Per Capita$41,266
Unemployment1.9%
Poverty6.3%
County GDP$5,408M
Commute39 min

Housing

A+
Home Value$350,000
Rent$1,100
OwnershipN/A
Housing Units112
Rent Burden15.0%

Health

Obesity37.2%
Uninsured6.3%
Smoking10.8%
Depression21.6%
Heart Disease4.3%

Climate

Avg Temp48°F (9°C)
AQI43 (Good)
Rain37.4 in/yr
Sunny Days275/yr
Elevation625 ft (191 m)

Education

A
Bachelor's+42.1%
High School+96.3%
Graduate+10.8%
School Score6.07

Community

2024 VoteR 48% / D 50%
Commute39 min
Broadband89.2%
Libraries5

Is Millbrook a Good Place to Live?

Based on current data, Millbrook receives an overall livability score of 4.8 out of 5.0, earning a grade of A+. Key strengths include above-average household incomes, low unemployment, a highly educated population, abundant sunshine. Areas to be aware of include long commute times. Millbrook stands out as an excellent place to live, with strong marks across most quality-of-life indicators.

Economy & Jobs

The median household income in Millbrook is $128,750, which is significantly higher than the national average — 71% above $75,149. This places Millbrook among higher-income communities. The job market is very strong with unemployment at just 1.9%. Only 6.3% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 39 minutes, longer than the typical American commute of 28 minutes.

Cost of Living & Housing

The median home value in Millbrook is $350,000, 24% above the national median. Renters pay a median of $1,100 per month. At just 2.7x median income, home prices are very affordable relative to local earnings.

Education

Educational attainment is solid, with 42.1% holding a bachelor's degree or higher, near the national average. 96.3% have completed high school. Local schools score 6.1/10 in standardized testing, reflecting strong academic performance.

Climate & Weather

Millbrook experiences four distinct seasons with an average temperature of 48°F. Winters average 21°F in January while summers reach 71°F in July. With 275 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 37.4 inches. Air quality is rated Good with a median AQI of 43.

Millbrook has a population of 298 with a density of 161 people per square mile, spread across 1.9 square miles. The median age is 38.9 years, 0% younger than the national median of 38.9. The gender split is 51.7% female and 48.3% male. The city is predominantly White (99.3%). English is the primary language spoken at home by 98.6% of residents. 4.9% of the population are veterans. 10.5% of residents have a disability. 95.5% have health insurance coverage.

Population

298
Total Population
161
People / sq mi
38.9yrs
Median Age
0% below US avg
1.9mi²
Land Area

Gender Distribution

Male 48.3%
Female 51.7%

Race & Ethnicity

Millbrook vs U.S. Average

Language Spoken at Home

English Only98.6%
26% above US avg
Spanish1.4%
90% below US avg

Social Characteristics

Millbrook vs U.S. Average

The median household income in Millbrook is $128,750, which is 71% above the national average of $75,149. Per capita income is $41,266. The average weekly wage is $985, 31% lower than the U.S. average. The unemployment rate is 1.9% (below the 3.6% US average). 6.3% of residents live below the poverty line, lower than the national rate of 12.4%. The area has 2,463 business establishments, including 235 restaurants. The cost of living index is 100, roughly in line with the national average. Workers commute an average of 39 minutes (longer than the 28-minute US average). 2.1% of workers work from home (below the 15.2% national rate).

Income: Millbrook vs U.S.

Commute Mode

Income

Median HH Income$128,750
71% above US avg
Per Capita Income$41,266
Avg Weekly Wage$985
IRS Avg AGI$87,438

Employment & Poverty

Unemployment1.9%
47% below US avg
Poverty Rate6.3%
49% below US avg
Establishments (County)2,463
County GDP$5,408M

Business (County)

Restaurants235
Healthcare218
Retail253
Manufacturing85

Tax & Cost of Living

Property Tax (IRS)$8,287
137% above US avg
Cost of Living100.00 (100=avg)
Effective Tax Rate2.37%

Commute & Transportation

Commute Time38.6 min
Drive Alone92.4%
Public Transit0.0%
Work from Home2.1%

Walkability

The median home value in Millbrook is $350,000, 24% above the national median of $281,900. Monthly rent averages $1,100 (5% below the national average of $1,163). Fair market rent ranges from $854 for a one-bedroom to $1,063 for a two-bedroom apartment. There are 112 total housing units in the city. The median year a home was built is 1983. The average annual property tax is $8,287 (higher than the $3,500 national average). 15.0% of renters spend 30% or more of their income on housing. The home price-to-income ratio is 2.7x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$350,000
24% above US avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$1,100
5% below US avg
Rent Burden15.0%

HUD Fair Market Rent

Studio$774
1 Bedroom$854
2 Bedrooms$1,063
3 Bedrooms$1,370
4 Bedrooms$1,561

Ownership & Property

Owner-Occupied94.1%
Renter-Occupied5.9%
Housing Units112
Median Year Built1983

Property Tax

Avg Tax (IRS)$8,287
137% above US avg
Effective Rate2.37%
In Millbrook, 37.2% of adults are obese, above the national rate of 32.1%. 7.6% have diabetes (below the 10.5% national rate). Heart disease affects 4.3% of residents, below the national average. 27.4% have high blood pressure. 10.8% are current smokers (below the 14.0% national rate). 22.4% report binge drinking. 16.7% are physically inactive, below the national average. 21.6% report depression. 16.2% experience frequent mental distress. 6.3% of residents lack health insurance (below the 8.6% national rate). The primary care physician ratio is 1:3,372. The dentist ratio is 1:2,542. 90.7% of residents have access to exercise opportunities. The food environment index is 9.2 out of 10.

Health Metrics: Millbrook vs U.S. Average (%)

Chronic Conditions

Obesity37.2%
16% above US avg
Diabetes7.6%
Heart Disease4.3%
High Blood Pressure27.4%
Asthma9.7%
COPD4.6%
Cancer7.5%
Stroke2.2%

Behaviors & Mental Health

Smoking10.8%
23% below US avg
Binge Drinking22.4%
Physical Inactivity16.7%
Depression21.6%
Mental Distress16.2%
Physical Distress10.2%
Short Sleep32.2%

Healthcare Access

Insurance Rate95.5%
Uninsured6.3%
27% below US avg
Primary Care1:3,372
Dentists1:2,542
Mental Health1:693
Checkup Rate75.8%
Dental Visits70.8%
Premature Death4,543/100K

Food & Exercise

Food Environment9.2/10
Exercise Access90.7%
Healthcare Facilities218
Millbrook experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 21°F in January while summers reach 71°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 — making it one of the sunnier locations in the country. Annual precipitation totals 37.4 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 625 feet.

Temperature

21°F Jan (-6°C) 71°F Jul (22°C)
Annual Average47.8°F
11% below US avg
January Average21°F (-6°C)
July Average71°F (22°C)
Sunny Days275 days/yr

Precipitation & Snow

Annual Rainfall37.4 inches
2% below US avg

Air Quality

AQI Median43.0
RatingGood

Geography

Elevation625 ft (191 m)
Area1.9 sq mi (4.8 km²)
Population Density161/sq mi
Coordinates41.6071°N, 88.5454°W
TimezoneAmerica/Chicago
CountyKendall County County
County FIPS17093

Monthly Weather

Month Avg Temperature Precipitation Summary
January 21°F (-6°C) 1.5 in Coldest
February 26°F (-3°C) 1.3 in Driest
March 37°F (3°C) 2.6 in
April 49°F (9°C) 3.7 in
May 60°F (16°C) 3.9 in
June 70°F (21°C) 4.1 in Wettest
July 71°F (22°C) 3.9 in
August 71°F (22°C) 3.8 in Warmest
September 64°F (18°C) 3.7 in
October 52°F (11°C) 2.6 in
November 39°F (4°C) 2.9 in
December 26°F (-3°C) 2.3 in

Millbrook has a seasonal temperature swing of 50°F — from 21°F in January to 71°F in August. Total annual precipitation is 36.4 inches, with June being the wettest month (4.1") and February the driest (1.3").

Millbrook is located in Kendall County. It is classified as Metro — 1 million+, part of a metropolitan area. 42.1% of adults hold a bachelor's degree or higher, 25% above the national average of 33.7%. 96.3% have completed high school. 10.8% hold a graduate or professional degree. Area schools have an average test score of 6.1 out of 10. In the 2024 presidential election, the county voted Democrat with 50% of the vote, a 1.5-point margin. 89.2% of households have broadband internet access. There are 5 public libraries serving the community. 218 healthcare facilities operate in the area. 92.4% of workers drive alone to work.

2024 Presidential Election (County)

R 48.5%
D 50%

Winner: Democrat by 1.5 points

Education

Bachelor's Degree+42.1%
25% above US avg
High School+96.3%
Graduate Degree+10.8%
School Test Score6.07
A Education Grade (4.4/5.0)

Urban-Rural Classification

RUCC Code 1Metro — 1 million+
Population Density161/sq mi
Total Area1.9 sq mi
CountyKendall County County

Infrastructure & Services

Broadband Access89.2%
Public Libraries5
Healthcare Facilities218
Restaurants235
Retail Stores253

Safety & Disasters

Fatal Crashes (County/yr)6

Commute & Transportation

Avg Commute38.6 min
Drive Alone92.4%
Public Transit0.0%
Work from Home2.1%

Frequently Asked Questions About Millbrook

What is the population of Millbrook?

Millbrook has a population of 298 residents and is located in Illinois. The population density is 161 people per square mile, spread across 1.9 square miles. The median age of residents is 38.9 years. The population is 51.7% female and 48.3% male.

Is Millbrook expensive to live in?

Millbrook has a cost of living roughly in line with the national average, with an index of 100 (baseline: 100). The median household income is $128,750, 71% above the national average of $75,149. The median home value is $350,000 (24% above the U.S. median). Renters pay a median of $1,100 per month. The home price-to-income ratio is 2.7x, indicating housing is reasonably affordable relative to local income levels.

What is the weather like in Millbrook?

Millbrook has a four-season climate with an average annual temperature of 48°F (9°C). Winter temperatures average 21°F in January, while summers reach an average of 71°F in July. The area receives 275 sunny days per year, well above the national average of 205. Annual rainfall totals 37.4 inches. Air quality is rated Good with a median Air Quality Index (AQI) of 43.

How is the job market in Millbrook?

The job market in Millbrook is very strong, with unemployment at just 1.9% — well below the national rate of 3.6%. The average weekly wage is $985. There are 2,463 business establishments in the area, including 235 restaurants and food service locations. The average commute time is 39 minutes, and 2.1% of workers work from home.

How much does housing cost in Millbrook?

The median home value in Millbrook is $350,000. For renters, the median monthly rent is $1,100. Fair market rent is $854 for a 1-bedroom and $1,063 for a 2-bedroom apartment. The average annual property tax is $8,287.

How are the schools in Millbrook?

Schools in Millbrook score 6.1 out of 10 on standardized testing, near the national average. 42.1% of adults in Millbrook hold a bachelor's degree or higher, above the national average of 33.7%. 96.3% have completed high school. 10.8% hold a graduate or professional degree.

How healthy is Millbrook?

The obesity rate in Millbrook is 37.2% (above the national rate of 32.1%). 10.8% of adults are smokers. 16.7% are physically inactive. 21.6% of residents report depression. 6.3% lack health insurance (below the national rate). 90.7% of residents have access to exercise opportunities. The primary care physician ratio is 1:3,372.

What is transportation like in Millbrook?

The average commute in Millbrook is 39 minutes, longer than the national average of 28 minutes. 92.4% of workers drive alone to work, and 2.1% work from home.

What are the demographics of Millbrook?

The racial and ethnic makeup of Millbrook is 99.3% White, 0.7% Hispanic or Latino. 98.6% of residents speak only English at home. 4.9% of the population are military veterans. 10.5% of residents have a disability. 95.5% have health insurance coverage.

Nearby Cities

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