Invest In Apartment Buildings In Lake County, IL

What Drives Rental Demand In Lake County

Rental demand in Lake County comes from 65,052 renter households, which is 25.2% of occupied housing (ACS 2020–2024). The number of renter households fell 2.1% over five years, while population was up 1.8%. That can happen when renters buy homes or rentals are sold to owner-occupants, and it's something we check before assuming rents will keep rising.

The typical Lake County household earns $110,416 a year, 23.5% more than in the 2015–2019 survey. The number of employed residents rose 1.5% over the same period, and unemployment stood at 5.2%. Rent and income have moved at a similar pace (23.4% and 23.5%), so affordability hasn't shifted much.

Most households in Lake County own their homes, so the renter pool is smaller. Good apartment buildings can still lease well here, but there are fewer of them to buy and fewer recent sales to price against.

Lake County Rent Trends And Supply

Median gross rent in Lake County, IL is $1,477 a month, up 23.4% from $1,197 in the 2015–2019 survey (U.S. Census ACS 2020–2024). That's solid growth, broadly in line with many U.S. markets over the same years.

The rental vacancy rate is just 3.7%, a tight market by most standards. 49.3% of renters spend 30% or more of their income on housing. That is close to the national picture, where roughly half of renters do, so rent increases need to track local wage growth.

About 15.6% of homes in Lake County are in buildings with 5 or more units, roughly 42,202 homes. It grew 3.9% over five years, a moderate amount of new supply. The median home was built in 1983, so many apartment buildings date from the 1970s and 1980s. That vintage is a common target for value-add renovation. For comparison, HUD's fiscal year 2027 Fair Market Rent for a two-bedroom unit in the Chicago-Joliet-Naperville, IL HUD Metro FMR Area is $2,011 a month.

Where Lake County Stands Among Its Peers

Out of 11 Illinois counties in our data, Lake County comes in 3rd for median gross rent, 7th for renter share and 8th for five-year rent growth. That puts its rents near the top of the group, so tenants here are already paying more than in most nearby markets. Compared with the 2015–2019 survey, Lake County now has about 12,750 more residents, 1,395 fewer renter households and 1,584 more homes in buildings with 5 or more units. With fewer renter households than before, a building has to win tenants from competitors rather than from new demand.

Cities In Lake County At A Glance

We follow 8 cities in Lake County. The largest is Waukegan, with a median gross rent of $1,205 a month.

Lake County Compared With Illinois

Lake County's median gross rent of $1,477 is above the Illinois median of $1,274.

Lake County Rent Affordability In Dollars

At $1,477 a month, the median Lake County rent adds up to $17,724 a year, or roughly 16.1% of what the median household earns. Under the common 30% guideline, a household needs about $59,100 a year to cover that rent comfortably. That's a lighter load than the Illinois average of 18.3%. Renters usually earn less than the all-household median, so the real burden for tenants is higher than this simple ratio shows.

In dollars, Lake County rent climbed $280 a month over five years and household income climbed $21,010 a year. The two have moved together, so affordability today looks much like it did five years ago. HUD's FY2027 Fair Market Rent for a two-bedroom unit, $2,011, is 36.2% above the median gross rent for all unit sizes. That gap matters for buildings that accept Housing Choice Vouchers, since local housing authorities base voucher payment standards on it.

Lake County Rental Market In Numbers

If you only read one part of this page, read this list. Every figure is from the Census Bureau's ACS 5-year estimates.

• Lake County, IL has 714,223 residents, up 1.8% from the 2015–2019 survey (U.S. Census ACS 2020–2024).
• Median household income in Lake County, IL is $110,416, up 23.5% over five years (U.S. Census ACS 2020–2024).
• Median gross rent in Lake County, IL is $1,477 a month, up 23.4% over five years (U.S. Census ACS 2020–2024).
• 25.2% of households in Lake County, IL rent, about 65,052 renter households (U.S. Census ACS 2020–2024).
• 15.6% of homes in Lake County, IL are in buildings with 5 or more units (U.S. Census ACS 2020–2024).
• The rental vacancy rate in Lake County, IL is 3.7%, and 49.3% of renters spend 30% or more of income on rent (U.S. Census ACS 2020–2024).
• The median home in Lake County, IL was built in 1983 (U.S. Census ACS 2020–2024).

What We Look For In Lake County

Skyline buys 5+ unit apartment buildings in Lake County that either run well today or can run better with new management or renovation. We start with rents, occupancy and the condition of the building, and we price on what the property earns now.

Property taxes are a big line item for any Illinois apartment building. We underwrite the tax bill after purchase, not the seller's current bill, since a sale often resets the assessment. Illinois has no statewide rent control law, though local rules on notices, fees and deposits still apply. Insurance quotes in Illinois reflect winter storm and frozen-pipe claims, so we get a quote before we make an offer.

We keep assumptions conservative: modest rent growth, real repair budgets and loan terms that leave room for a soft year.

Evaluating Apartment Syndications In Lake County

Whoever the sponsor is, these are the questions we would want answered about any apartment syndication in Lake County, based on the local numbers above.

• What vacancy does the plan assume? Rental vacancy in Lake County is 3.7%. A plan that assumes much lower vacancy than the market should explain why.
• What rent growth is underwritten? Rents here rose 23.4% over five years. Ask whether the plan assumes that pace continues, and what happens to the deal if rents stay flat.
• How was the property tax bill estimated? A sale often triggers a reassessment, so the bill after purchase can be well above what the seller pays today.
• How big is the repair reserve? The median home in Lake County was built in 1983, and even newer buildings need money set aside for roofs, HVAC and appliances.
• How will the building hold occupancy? Renter households in Lake County fell 2.1%, so the plan should show how it keeps units full.
• How and when does capital come back? Ask what the plan is for a refinance or sale, and what happens if that takes longer than expected.

How Passive Investing In A Lake County Apartment Syndication Works

In an apartment syndication, Skyline acts as the general partner. We find the Lake County property, negotiate the purchase, arrange the loan and oversee management and any renovation. Limited partners put in capital and own a share of the entity that owns the building. They don't sign on the loan or deal with tenants and repairs.

Expect your money to be tied up for years, with no easy way to sell your share early, and remember that any investment can lose money. Most deals are open only to accredited investors under Rule 506(b) or 506(c). See investing with Skyline Capital for how we work with limited partners.

Getting Started

The first step is the investor network. It's free, and it's how we share market notes and get to know investors. If we buy in Lake County or elsewhere and you're eligible, we'll reach out privately with the details.