Cost of Living in Darien, IL
Cost of Living in Darien, IL has an overall index of 119, 19% above the U.S. baseline of 100. The typical home value is $439,380; typical monthly rent is $1,671; and median household income is $109,354.
Cost index: committed city housing/rent inputs and BEA 2024 metro-area price parities. Home value: Zillow ZHVI market signal as of 2026-02. Rent: Census ACS 2023 fallback place estimate. A place-level signal, not a personal affordability decision or financial recommendation.
Housing costs sit well above the national baseline. This describes the local market, not your household.
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Frequently asked questions about Darien
Living in Darien
Is Darien, IL an expensive place to live?+
Yes — Darien is about 19% more expensive than the national average, with an overall Cost Index of 119. Housing is the biggest factor: the typical home here is valued around $439,380, and monthly rents average roughly $1,671. Day-to-day costs like groceries and utilities tend to run higher than average as well.
How does Darien fit a household housing budget?+
Start with housing. Typical monthly rent is $1,671, while local median household income is $109,354. That implies a rent-burden proxy of about 18% before utilities and other costs. Use that as a planning signal for whether the place looks manageable under your own household assumptions.
How much are taxes in Darien, IL?+
Illinois uses a flat model; 4.95% is top marginal-rate context. Applying the 2.07% state-level effective owner-occupied proxy to a home worth $439,380 gives a planning estimate near $9,095 per year; it is not a city, county, parcel, or individual tax bill. State plus average local sales-tax context is around 8.82%.
How much does it cost to rent in Darien, IL?+
The typical monthly rent in Darien is around $1,671. That's about 24% higher than the $1,348 national median. For comparison, the median home value here is $439,380, so buyers should also factor in mortgage payments, property taxes, and insurance.
How much does a house cost in Darien, IL?+
The typical home value in Darien is $439,380. With 20% down and the committed 6.11% national 30-year fixed benchmark as of 2026-03-12, principal and interest are roughly $2,132/month before property tax and insurance. This is a planning estimate, not a local lender quote. About 79% of residents here own their homes.
Are groceries and utilities expensive in Darien?+
Grocery prices in Darien are noticeably pricier compared to the rest of the US (index: 107, where 100 is the national average). Utility bills (electricity, gas, water) are below average (index: 84). Overall, these everyday costs shouldn't cause major surprises if you're moving from another similarly-sized US city.
What is Darien, IL like to live in?+
Darien is a small town with a population of about 21,855. The median age of residents is 44.8, skewing somewhat older — common in established suburban communities. The local poverty rate is 3.83%, well below the national average of 12.4%.