
Lake County, Illinois has long attracted buyers seeking the combination of top-tier schools, scenic landscapes, and convenient access to Chicago. Stretching along the western shore of Lake Michigan, this affluent region delivers a caliber of living that few suburban markets can match. From the storied estates of Lake Forest to the charming village streets of Lake Bluff, the county’s most sought-after zip codes consistently rank among the priciest in the entire state.
Whether you’re relocating, investing, or simply curious about what drives value in this corridor, understanding each zip code’s unique character is essential. This guide breaks down the six most expensive zip codes in Lake County—60045, 60044, 60048, 60035, 60015, and 60010—covering the communities, schools, commute options, local amenities, and real estate market conditions that define each one.
60045 — Lake Forest, IL
Nestled in the heart of Lake County, the 60045 zip code represents Lake Forest, arguably the area’s crown jewel of real estate. This city, built on a foundation of legacy wealth and architectural grandeur, boasts a housing market that reflects its prestigious history. Incorporated in 1861 as a planned community around what is now Lake Forest College, the city exudes a timeless, almost East Coast sensibility with its tree-lined streets and historic mansions. Its downtown centerpiece, Market Square, stands as one of the nation’s first planned shopping centers, adding to its unique charm.
Education is a cornerstone of the community’s value, with Lake Forest Community High School District 115 and Deer Path Middle School consistently ranking among the state’s best. For those seeking private education, the renowned Lake Forest Academy offers a prestigious college-preparatory experience. Commuting to Chicago is straightforward, with the Union Pacific North Metra line offering express trains that reach the city in about an hour, and Interstate 94 providing direct highway access. This combination of historic character, top-tier education, and convenient access underpins a robust real estate market where median home prices range from $700,000 to over $2 million, and premier lakefront estates often surpass $5 million. With tight inventory and competitive offers, 60045 remains a highly sought-after destination for discerning buyers.
60044 — Lake Bluff, IL
Situated just north of Lake Forest, the village of Lake Bluff offers a tranquil, close-knit atmosphere that belies its premium real estate market. With a population of approximately 5,500, this community is defined by its walkable downtown, featuring local boutiques and restaurants conveniently clustered near the Metra station, and the dramatic bluffs that provide stunning views of Lake Michigan.
Home owners and parents in Lake Bluff benefit from an excellent educational system, as students from Lake Bluff Elementary School District 65 advance to the highly-ranked Lake Forest Community High School District 115. Commuting to Chicago is straightforward, with the Union Pacific North Metra line offering a 55 to 65-minute journey to the city, and U.S. Route 41 and I-94 providing convenient highway access.
The real estate market in 60044 is robust, with median sale prices ranging from $550,000 to $1.2 million. The most coveted properties, particularly those situated on the lakefront or atop the bluffs, command substantial premiums. Due to its limited housing stock and low turnover, Lake Bluff remains a highly competitive and desirable market for discerning buyers seeking a blend of small-town charm and upscale living.
60048 — Libertyville, IL
Don’t be fooled by its slightly more accessible entry point into Lake County’s premium market—ZIP code 60048 in Libertyville consistently ranks as one of the most desirable addresses in the region. Its downtown is one of the most vibrant in Lake County, buzzing with an active dining scene, specialty retailers, and the historic Adler Theatre. This family-friendly, civically engaged town hosts several annual events and even boasts Marlon Brando as a former resident.
Families are drawn to Libertyville for its exceptional schools, including Libertyville High School, which earns high marks for its academic programs, athletics, and extracurriculars. Commuting to the city is a breeze, with the North Central Service Metra line connecting to Union Station in about 60–75 minutes and convenient access to I-94. The real estate market here reflects its desirability, with median home prices ranging from $450,000 to $850,000. With new construction and luxury renovations driving values and prices upward, Libertyville continues to experience low inventory and high buyer demand, making it a competitive and sought-after suburban destination.
60035 — Highland Park, IL
Nestled near the Lake County lakefront, Highland Park offers a rich blend of culture, nature, and top-tier academics that keeps both demand and home prices consistently high. The city is renowned as the summer home of the Chicago Symphony Orchestra at the iconic Ravinia Festival, North America’s oldest outdoor music festival. Its vibrant downtown, lined with unique restaurants, independent shops, and galleries, provides a lively community hub, while the stunning Lake Michigan shoreline adds immeasurable lifestyle and property value.
Families are drawn to the area for its exceptional schools, including North Shore School District 112 and Township High School District 113, where Highland Park High School stands out for its consistent high rankings in academic achievement and college readiness. Commuting is a breeze, with the Union Pacific North Metra line offering a relatively short 40-50 minute ride to Chicago’s Ogilvie Transportation Center, supplemented by quick access to I-94. This combination of cultural vibrancy, educational excellence, and convenient access is reflected in its competitive real estate market, where median home prices range from $600,000 to over $1.5 million, and lakefront properties continue to see strong appreciation.

60015 — Deerfield and Bannockburn, IL
Nestled along the North Shore, ZIP code 60015 offers a unique blend of polished suburbia and quiet prestige, covering parts of Deerfield and the exclusive village of Bannockburn. These communities are a magnet for professionals and families who value discretion, lush green spaces, and access to some of the best schools in Illinois. Deerfield boasts a vibrant, well-maintained downtown with strong local retail and abundant park programming, while the almost entirely residential Bannockburn is a sanctuary of low-density living, where stately executive homes are set on generous, private lots.
Education is a cornerstone of the area’s appeal. Students benefit from top-tier elementary districts—Deerfield School District 109 and Bannockburn School District 106—before advancing to the highly acclaimed Township High School District 113. Deerfield High School, a perennial powerhouse, is renowned for its robust AP and dual-enrollment programs, preparing students for future success.
Commuting times are a bit longer but still convenient, making the area a strategic choice for anybody working in the city. The Milwaukee District North Metra line serves Deerfield, offering a reliable 40–55 minute ride to Union Station. For those who prefer to drive, direct access to both I-94 and the Tri-State Tollway makes 60015 one of the best-connected ZIP codes in Lake County.
The real estate market here reflects its desirability, with median home prices typically ranging from $500,000 to $1.2 million. In Bannockburn, sprawling estate properties can command significantly higher values. The market remains competitive, with limited inventory driving continued price appreciation and underscoring the enduring appeal of this prestigious North Shore address.
60010 — Barrington, IL
Welcome to 60010, covering parts of Barrington and Lake Barrington, where sprawling executive estates and charming horse properties paint a picture of idyllic country living. This isn’t just another Chicago suburb; it’s a lifestyle. Barrington masterfully blends a sophisticated, country-club atmosphere with an authentic small-town heart. Its historic downtown is a hub of activity, filled with boutique shops, acclaimed restaurants, and lively community events all year long. Imagine stepping out from the village core into a world of private lakes, vast conservation areas, and picturesque horse farms—it’s an escape that’s still close to home.
A major draw to the area is the Barrington Consolidated Unit School District 220, consistently ranked among Illinois’s best. With extensive AP courses and strong athletic programs, Barrington High School is a key factor driving real estate demand. For commuters, the Union Pacific Northwest Metra line offers a 50-65 minute ride to the city, and I-90 provides a direct highway route.
The real estate market throughout the Barrington area is as impressive as its landscape, with median prices ranging from $450,000 to $1 million. Of course, exclusive equestrian properties and stunning lakefront estates can command significantly higher prices. The area continues to attract buyers from the city who are searching for more space, top-tier schools, and an unparalleled quality of life, keeping the market competitive.