Data Centers in Illinois

Market Overview

Illinois represents one of the most strategically important data center markets in the Midwest, with 69 colocation facilities serving as a critical hub for digital infrastructure across the central United States. The state's geographic position makes it an ideal connectivity crossroads, linking the East and West coasts while serving as a gateway to both Canadian and southern U.S. markets.

Chicago, in particular, has emerged as a major data center destination due to its extensive fiber infrastructure, robust power grid, and position as a financial and trading hub. The city's role as a commodities and derivatives trading center has driven significant demand for low-latency connectivity and high-reliability infrastructure. Beyond Chicago, facilities throughout Illinois benefit from the state's central location, which enables efficient content delivery and application hosting across broad geographic regions.

The Illinois data center market serves a diverse range of industries, from financial services and healthcare to manufacturing and logistics companies that have established significant operations throughout the state. This industrial diversity has created consistent demand for colocation services across multiple sectors.

Key Providers

The Illinois colocation market features a robust mix of national hyperscale providers and specialized regional operators. Digital Realty maintains a significant presence in the market, offering enterprise-grade colocation solutions with their characteristic focus on scalability and connectivity options. Their facilities typically serve large enterprise customers requiring substantial space and power allocations.

Equinix operates strategic facilities in the Illinois market, leveraging their global network presence to provide interconnection-focused services. Their platform approach enables customers to connect directly with cloud service providers, network carriers, and business partners within the same facilities.

CoreSite brings their "any-to-any" connectivity model to the market, focusing on network-dense facilities that enable efficient interconnection between multiple parties. DataBank serves the market with a combination of retail colocation and managed services, often targeting mid-market customers requiring both space and operational support.

Regional providers including Colocation America Corporation and Netrix LLC offer more personalized service models and competitive pricing structures that appeal to local businesses and smaller deployments. CentersQuare and other regional operators provide alternatives to the larger national providers, often with more flexible terms and customized solutions.

Network infrastructure providers Cogent Communications and Lumen Technologies maintain significant presence in Illinois facilities, ensuring robust carrier diversity and connectivity options across the market.

Connectivity & Network

Illinois benefits from extensive fiber infrastructure development, with multiple major fiber routes intersecting in Chicago. The city serves as a key node in national fiber networks, with transcontinental routes connecting through the metropolitan area. This positioning provides colocation customers with access to diverse network paths and reduces the risk of connectivity disruptions.

The state's central geographic location offers latency advantages for applications serving users across the continental United States. Chicago's position enables sub-20 millisecond connectivity to major population centers in both the eastern and western United States, making it attractive for content delivery networks and real-time applications.

Multiple internet exchanges operate within Illinois, facilitating direct peering between network operators and reducing transit costs for colocation customers. These exchange points contribute to the overall network density and provide additional connectivity options beyond traditional carrier services.

The concentration of financial services firms in Chicago has driven investment in ultra-low latency network infrastructure, including optimized routing between trading venues and data processing facilities. This specialized infrastructure benefits other latency-sensitive applications beyond financial services.

Power & Infrastructure

Illinois maintains a relatively stable power grid with diverse generation sources contributing to overall reliability. The state's utility infrastructure has historically supported heavy industrial operations, providing a foundation for power-intensive data center operations.

Commonwealth Edison and other regional utilities serve the major data center markets throughout Illinois, generally providing reliable service with established protocols for working with data center operators on power delivery and redundancy requirements.

The state's location in the continental interior provides some protection from coastal weather events, though operators must still plan for severe weather scenarios including tornadoes and winter storms that can affect the region.

Services Available

The 69 colocation facilities across Illinois offer a comprehensive range of services spanning from small retail cabinet deployments to large wholesale data hall configurations. Many facilities provide traditional colocation services including cabinet space, power allocation, and basic network connectivity.

Remote hands services are commonly available across Illinois facilities, enabling customers to maintain equipment without maintaining on-site staff. Many providers offer managed services that extend beyond basic remote hands to include server management, monitoring, and technical support.

Wholesale colocation options serve customers requiring large contiguous spaces with dedicated power and cooling infrastructure. These arrangements typically include greater customization options and more flexible terms for power, space, and connectivity requirements.

Cross-connect services enable direct connections between customers within the same facilities, supporting private networks and direct peering arrangements. Many facilities also offer cloud connectivity services that provide direct access to major public cloud platforms.

Who Should Consider This Market

Organizations with operations spanning multiple U.S. regions should consider Illinois colocation due to the state's central geographic position. Companies requiring low-latency access to both coastal markets will benefit from the connectivity advantages offered by Illinois facilities.

Financial services firms, particularly those involved in trading and market data processing, can leverage the specialized infrastructure and connectivity options available in Chicago-area facilities. The concentration of financial services providers also creates opportunities for industry-specific networking and partnerships.

Healthcare organizations throughout the Midwest region may find Illinois facilities attractive for HIPAA-compliant hosting requirements, particularly given the state's position relative to major population centers requiring healthcare services.

Manufacturing and logistics companies with supply chain operations spanning the continental United States can benefit from the central positioning for both data processing and connectivity to facilities and partners across broad geographic regions.

Content providers and CDN operators find value in Illinois facilities for serving users across the central United States, taking advantage of the favorable latency characteristics and robust network infrastructure available throughout the state.