State discovery · Illinois

Discover Illinois

Explore the state’s landscapes, communities and practical routes into work.

An interactive region map

Click a County. Discover Its Name.

The clickable county names are directly below the map. Open “Explore All 102 Counties” and select a name to highlight it. You can also click a colored county on the map.

Go to the Clickable Counties NamesOn smaller screens, scroll sideways to explore the enlarged map.
Illinois: 102 counties and 15 largest citiesVerified Census boundaries and representative city marker points. Numbered key identifies the 15 places, ranked by population. Accessible place list and clickable region names follow the map.Discover IllinoisCounties in color · Cities marked at verified Census locationsAdams CountyAlexander CountyBond CountyBoone CountyBrown CountyBureau CountyCalhoun CountyCarroll CountyCass CountyChampaign CountyChristian CountyClark CountyClay CountyClinton CountyColes CountyCook CountyCrawford CountyCumberland CountyDe Witt CountyDeKalb CountyDouglas CountyDuPage CountyEdgar CountyEdwards CountyEffingham CountyFayette CountyFord CountyFranklin CountyFulton CountyGallatin CountyGreene CountyGrundy CountyHamilton CountyHancock CountyHardin CountyHenderson CountyHenry CountyIroquois CountyJackson CountyJasper CountyJefferson CountyJersey CountyJo Daviess CountyJohnson CountyKane CountyKankakee CountyKendall CountyKnox CountyLaSalle CountyLake CountyLawrence CountyLee CountyLivingston CountyLogan CountyMacon CountyMacoupin CountyMadison CountyMarion CountyMarshall CountyMason CountyMassac CountyMcDonough CountyMcHenry CountyMcLean CountyMenard CountyMercer CountyMonroe CountyMontgomery CountyMorgan CountyMoultrie CountyOgle CountyPeoria CountyPerry CountyPiatt CountyPike CountyPope CountyPulaski CountyPutnam CountyRandolph CountyRichland CountyRock Island CountySaline CountySangamon CountySchuyler CountyScott CountyShelby CountySt. Clair CountyStark CountyStephenson CountyTazewell CountyUnion CountyVermilion CountyWabash CountyWarren CountyWashington CountyWayne CountyWhite CountyWhiteside CountyWill CountyWilliamson CountyWinnebago CountyWoodford County10. Waukegan5. Rockford15. Arlington Heights14. Evanston13. Schaumburg6. Elgin11. Cicero1. Chicago2. Aurora3. Naperville4. Joliet8. Peoria12. Bloomington9. Champaign7. SpringfieldChicago, map key 1Aurora, map key 2Naperville, map key 3Joliet, map key 4Rockford, map key 5Elgin, map key 6Springfield, map key 7Peoria, map key 8Champaign, map key 9Waukegan, map key 10Cicero, map key 11Bloomington, map key 12Schaumburg, map key 13Evanston, map key 14Arlington Heights, map key 15City estimates: July 1, 2025 · Census Vintage 2025, released May 2026Colors are decorative. Click the region names below this map to highlight their boundaries.

Select a region on the map or a name below to explore.

Explore All 102 Counties — Click a Name to Highlight It
Region colors are decorative, not measures of population or job availability. City markers stay at the Census Gazetteer’s representative points; leader lines connect readable labels. Open the Full-Size Map.

A Closer Look

Illinois rewards discovery at more than one scale. At Starved Rock State Park, trails lead into a landscape of sandstone canyons, wooded slopes and views across the Illinois River. Seasonal waterfalls and changing river conditions mean each visit can feel different; checking trail notices helps you plan an outing suited to your time and mobility. Farther south, Shawnee National Forest offers another landscape altogether. The Garden of the Gods recreation area is known for rock formations and overlooks where a short walk can open onto a broad view of wooded country.

History adds another dimension in Springfield, where Lincoln Home National Historic Site preserves the neighborhood surrounding Abraham Lincoln’s family home. The streets and buildings offer a way to think about everyday life as well as national events. These public places suggest an Illinois that extends beyond its largest city, with opportunities to explore river corridors, forests and local history. For a possible move, begin with the community around your work or training opportunity. Learning its public spaces and travel routes can help you connect the statewide picture with the place where you would actually live.

The 15 Largest Incorporated Places

Ranked by population within incorporated-place boundaries using July 1, 2025 Census estimates (Vintage 2025, released May 2026). The figures count residents inside each community’s boundaries.

Ranks incorporated Census places rather than metropolitan areas. A city may span several counties; the county reference identifies its representative marker location. Cicero is a town; Schaumburg and Arlington Heights are villages.

Map KeyCity / PlacePopulation EstimateCounty Reference
1Chicago2,731,585Cook County
2Aurora181,505Kane County
3Naperville153,114DuPage County
4Joliet152,241Will County
5Rockford147,384Winnebago County
6Elgin115,476Kane County
7Springfield112,989Sangamon County
8Peoria110,920Peoria County
9Champaign91,195Champaign County
10Waukegan87,940Lake County
11Cicero81,858Cook County
12Bloomington78,804McLean County
13Schaumburg77,249Cook County
14Evanston76,380Cook County
15Arlington Heights76,216Cook County

Markers represent Census internal points, not downtown addresses. City boundaries can extend across several counties.

Major Industries and Work Opportunities

Employment sectors and strategic economic priorities use different measures. This selection highlights useful routes into work; it is not a ranking by jobs or economic output. Industry size does not guarantee current openings.

Economic-Development Focus

Advanced Manufacturing

Production facilities need assembly, maintenance, quality and office support.

Roles to Explore: Production associate, QA inspector, maintenance technician, administrative assistant.

Explore NJS Advanced Manufacturing Pathways
Economic-Development Focus

Agriculture & Food Production

Food processing connects farms with mixing, packaging, sanitation and distribution.

Roles to Explore: Production helper, mixing operator, packaging associate, QA technician, shipping clerk.

Explore NJS Agriculture & Food Production Pathways
Employment Sector

Transportation & Warehousing

Freight and distribution need safe handling, scheduling and technical support.

Roles to Explore: Warehouse associate, dispatcher, CDL driver, mechanic, logistics coordinator.

Explore NJS Transportation & Warehousing Pathways
Employment Sector

Healthcare & Social Assistance

Care delivery includes clinical, patient support and administrative work.

Roles to Explore: Patient services assistant, environmental services aide, nurse, medical records clerk.

Explore NJS Healthcare & Social Assistance Pathways
Employment Sector

Finance & Business Services

Financial and business operations include customer service, administration and analysis.

Roles to Explore: Customer service representative, payroll clerk, accountant, compliance analyst.

Explore NJS Finance & Business Services Pathways
Technology Sector & Cross-Sector Skills

Technology, AI & Data

Software and digital systems need technical, analytical and business support.

Roles to Explore: IT support specialist, QA tester, data analyst, software developer, project assistant.

Explore NJS Technology, AI & Data Pathways
Workforce Pathway

Construction & Skilled Trades

Buildings and infrastructure require apprentices, experienced tradespeople and support staff.

Roles to Explore: Construction helper, electrical apprentice, HVAC technician, estimator, office coordinator.

Explore NJS Construction & Skilled Trades Pathways

Available nationwide · All 50 states & Washington, D.C.

Free Local Job & Training Help — American Job Centers

American Job Centers can help you find local openings, connect with employers, prepare for interviews and explore training assistance. Basic employment help is free. Some training and additional services require eligibility approval and available funding. Services vary by center, and employment is not guaranteed.

Find a Job Center Near Me ↗

Enter your city or ZIP code in the official finder. Contact the center to confirm services and appointment requirements.

Ask for more than résumé help:

“Which employers are hiring near my city? Can you refer me to suitable openings? Are hiring events, paid training or on-the-job training available?”

What is WIOA, and who pays for this help?

WIOA means Workforce Innovation and Opportunity Act. It is a federal law supporting employment and training services nationwide, not an agency or a job board. American Job Centers bring together public workforce programs and partner services. Local names vary; in California they are called America’s Job Centers of California.

Centers can provide job listings, employer referrals, placement assistance, hiring events, skills assessments and career counseling. Eligible applicants may also receive approved training or other support. Ask your local center which services it provides; a referral does not guarantee an interview or a job.

Federal funding is allocated to states and local workforce areas, alongside other partner-program funding. Standard public job-search and referral services are free to job seekers and employers; employers do not pay a placement commission for these referrals. These are public workforce services rather than a commercial recruiting agency.

You can ask for basic job-search help without assuming you qualify for every WIOA-funded service. Staff determine eligibility for programs with additional requirements.

Official explanations: U.S. Department of Labor — WIOA · American Job Center services. Reviewed October 9, 2026.

Special Resources for Illinois Residents Seeking Employment

Start with a local workforce team. Ask about training eligibility, accommodations, veteran priority, youth services, re-entry and support after prolonged unemployment.

Official Job Search

Illinois Job Bank

Search by city, occupation or ZIP code and confirm openings with the employer.

Open Illinois Job Bank
American Job Centers

Local Workforce Centers

Find nearby job-search help and ask about local training eligibility and supportive services.

Open Local Workforce Centers
Short-Term Programs

Training & Career Pathways

Explore programs and ask which credentials fit your occupation. Confirm costs, funding eligibility and completion requirements.

Open Training & Career Pathways
Earn While You Learn

Registered Apprenticeships

Find sponsors and learn about paid work-based learning. Confirm registration, entry requirements and current recruitment.

Open Registered Apprenticeships
Dedicated Support

Veteran Employment Services

Ask about priority of service and help translating military skills into civilian work.

Open Veteran Employment Services
Disability Employment Support

Vocational Rehabilitation

Request an assessment, accessible services and support for preparing for, finding or keeping employment.

Open Vocational Rehabilitation
Age 55+ Programs

Older-Worker Employment Support

Ask about SCSEP and other services. SCSEP is for eligible low-income older workers; availability and eligibility vary.

Open Older-Worker Employment Support
Official Wage Guidance

Minimum Wage & Pay Rights

Check current rates, exceptions and applicable local rules before accepting work.

Open Minimum Wage & Pay Rights
Labor-Market Information

Regional Wages & Occupations

Compare occupations, wages and projections by area. Forecasts do not represent current vacancies.

Open Regional Wages & Occupations
Education & Campus Careers

Public Colleges & Universities

Use the public system’s campuses and program information; follow individual campuses for admissions, training and employment.

Open Public Colleges & Universities
Training & Campus Careers

Public Community Colleges

Use the state community-college board to find colleges and programs.

Open Public Community Colleges
Planning & Accountability

State Workforce Board

Find official planning and current board information.

Open State Workforce Board
Public Employers

City & County Careers

Explore public employers in the NJS directory below.

Open City & County Careers
Education Employers

Public School Districts

Search the official NCES district locator by city and state.

Open Public School Districts
NJS Practical Support

Returning After a Long Absence

Prepare for applications and ask the local center about work experience and re-entry referrals.

Open Returning After a Long Absence

State Workforce Priorities

Plan period & status: Plan period: PY 2024–2027 (July 2024–June 2028), with the 2026–2027 modification review. The state library posts a revised 2026 Unified State Plan modification alongside the 2024 plan. The linked modification is labeled a draft; later federal approval was not confirmed.

Industries & Occupations

Explore manufacturing and logistics alongside healthcare and business services. Regional workNet planning is more useful than assuming statewide priorities describe every community.

Skills & Credentials

Compare technical certificates, occupational licenses and apprenticeship routes. Ask the local workforce center about eligible short-term training, costs and the credentials employers request.

Help for Your Situation

Ask about veteran priority, disability employment support, youth programs, re-entry referrals and help after prolonged unemployment. Explain childcare, transport, literacy or language barriers so staff can identify appropriate services.

Digital & Emerging Skills

Build practical computer skills for applications and your occupation. Ask the local center about technical retraining; do not assume an AI certificate is universally required or funded.

Regional Differences

Chicago and its suburbs concentrate transport, finance and business services; central and southern Illinois have different manufacturing, agricultural and healthcare markets.

Where to Begin

Use the official job bank and local American Job Center. Ask for an individual assessment and information about training eligibility, registered apprenticeships and paid work experience.

Sources & Review

Reviewed October 9, 2026. Original NJS descriptions use the official sources below. Boundaries, marker locations and populations use U.S. Census Bureau data. No third-party illustrated map, logo or photograph is reproduced.

Map and city-data sources checked October 10, 2026. Census representative points may fall in water where municipal boundaries include waterways.