Business Opportunities in Decatur, IL

Data-driven insights using Gap Ratio analysis to identify underserved markets

Population

0.1M

High Demand

Moderate Demand

High Confidence

📊 How Gap Ratio Works

Gap Ratio = National Density / Local Density. Higher ratios indicate underserved markets. A ratio of 2.0x means this area has 50% fewer businesses per capita than the national average.

≥1.5x High Demand

1.1-1.5x Moderate

0.9-1.1x Balanced

<0.9x Saturated

Top Opportunities (Sorted by Gap Ratio)

Business Consultant

Management, Scientific, and Technical Consulting Services

High Confidence

7.6xGap Ratio

87% fewer businesses than national average

High Demand

Corporate AdvisorManagement Consulting

Local Density

0.85/10k

National Avg

6.43/10k

Local Businesses

NAICS Code

5416

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

5.5xGap Ratio

82% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.85/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

5312

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

5.5xGap Ratio

82% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.85/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

53121

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

5.5xGap Ratio

82% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.85/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

531210

Barber shops Hair stylist shops Beauty salons Nail salons Cosmetology salons Cross-References

Hair, Nail, and Skin Care Services

4.3xGap Ratio

77% fewer businesses than national average

High Demand

Local Density

0.85/10k

National Avg

3.66/10k

Local Businesses

NAICS Code

81211

Professional Residential

Residential Property Managers

4.3xGap Ratio

77% fewer businesses than national average

High Demand

Residential Property Managers BusinessResidential Property Managers Service

Local Density

0.38/10k

National Avg

1.62/10k

Local Businesses

NAICS Code

531311

Computer Systems Design and Related Services Business

Computer Systems Design and Related Services

High Confidence

4.3xGap Ratio

77% fewer businesses than national average

High Demand

Computer Systems Design and Related Services ServiceProfessional Computer

Local Density

0.94/10k

National Avg

4.02/10k

Local Businesses

NAICS Code

5415

Computer Systems Design and Related Services Business

Computer Systems Design and Related Services

High Confidence

4.3xGap Ratio

77% fewer businesses than national average

High Demand

Computer Systems Design and Related Services ServiceProfessional Computer

Local Density

0.94/10k

National Avg

4.02/10k

Local Businesses

NAICS Code

54151

Escrow Services

Activities Related to Real Estate

High Confidence

4.3xGap Ratio

77% fewer businesses than national average

High Demand

Property ManagementReal Estate Appraisal

Local Density

0.75/10k

National Avg

3.21/10k

Local Businesses

NAICS Code

5313

Barbershop

Beauty Salons

4.2xGap Ratio

76% fewer businesses than national average

High Demand

Beauty SalonHair Salon

Local Density

0.56/10k

National Avg

2.36/10k

Local Businesses

NAICS Code

812112

Building Finishing Contractors Business

Building Finishing Contractors

High Confidence

3.2xGap Ratio

68% fewer businesses than national average

High Demand

Building Finishing Contractors ServiceProfessional Building

Local Density

1.13/10k

National Avg

3.58/10k

Local Businesses

NAICS Code

2383

hospitals or HMO medical centers

Offices of All Other Miscellaneous Health Practitioners

High Confidence

3.0xGap Ratio

67% fewer businesses than national average

High Demand

Local Density

0.28/10k

National Avg

0.86/10k

Local Businesses

NAICS Code

621399

Day spas Depilatory or electrolysis (i

Other Personal Care Services

3.0xGap Ratio

67% fewer businesses than national average

High Demand

Local Density

0.28/10k

National Avg

0.86/10k

Local Businesses

NAICS Code

81219

collecting rents and overseeing other services (e

Real Estate Property Managers

2.9xGap Ratio

65% fewer businesses than national average

High Demand

such as collecting rents and overseeing other services (e

Local Density

0.75/10k

National Avg

2.16/10k

Local Businesses

NAICS Code

53131

Custom Home Construction

Residential Building Construction

High Confidence

2.7xGap Ratio

63% fewer businesses than national average

High Demand

Home Addition ServicesHome Builder

Local Density

2.26/10k

National Avg

6.08/10k

Local Businesses

NAICS Code

2361

barber and beauty shops

Personal Care Services

2.6xGap Ratio

62% fewer businesses than national average

High Demand

that provide appearance care services to individual consumers

Local Density

1.79/10k

National Avg

4.69/10k

Local Businesses

NAICS Code

8121

Other Professional, Scientific, and Technical Services Business

Other Professional, Scientific, and Technical Services

2.6xGap Ratio

62% fewer businesses than national average

High Demand

Other Professional, Scientific, and Technical Services ServiceProfessional Other

Local Density

0.85/10k

National Avg

2.20/10k

Local Businesses

NAICS Code

5419

Offices of Mental Health Practitioners (except Physicians) Business

Offices of Mental Health Practitioners (except Physicians)

High Confidence

2.6xGap Ratio

62% fewer businesses than national average

High Demand

Offices of Mental Health Practitioners (except Physicians) ServiceProfessional Offices

Local Density

0.47/10k

National Avg

1.22/10k

Local Businesses

NAICS Code

62133

hospitals or HMO medical centers

Offices of Mental Health Practitioners (except Physicians)

High Confidence

2.6xGap Ratio

62% fewer businesses than national average

High Demand

Local Density

0.47/10k

National Avg

1.22/10k

Local Businesses

NAICS Code

621330

Cargo Transport

General Freight Trucking, Long-Distance, Truckload

High Confidence

2.6xGap Ratio

61% fewer businesses than national average

High Demand

Delivery ServiceFreight Hauling

Local Density

0.56/10k

National Avg

1.45/10k

Local Businesses

NAICS Code

484121

Accountant

Accounting, Tax Preparation, Bookkeeping, and Payroll Services

2.4xGap Ratio

59% fewer businesses than national average

High Demand

Bookkeeping ServiceCPA

Local Density

1.60/10k

National Avg

3.88/10k

Local Businesses

NAICS Code

5412

auditing of accounting records

Accounting, Tax Preparation, Bookkeeping, and Payroll Services

2.4xGap Ratio

59% fewer businesses than national average

High Demand

billingbookkeeping

Local Density

1.60/10k

National Avg

3.88/10k

Local Businesses

NAICS Code

54121

Business Support Services Business

Business Support Services

2.4xGap Ratio

57% fewer businesses than national average

High Demand

Business Support Services ServiceProfessional Business

Local Density

0.28/10k

National Avg

0.66/10k

Local Businesses

NAICS Code

5614

portfolio management

Other Financial Investment Activities

High Confidence

2.3xGap Ratio

56% fewer businesses than national average

High Demand

Local Density

1.03/10k

National Avg

2.35/10k

Local Businesses

NAICS Code

5239

Professional Tax

Tax Preparation Services

2.2xGap Ratio

55% fewer businesses than national average

High Demand

Tax Preparation Services BusinessTax Preparation Services Service

Local Density

0.28/10k

National Avg

0.63/10k

Local Businesses

NAICS Code

541213

Cargo Transport

General Freight Trucking, Long-Distance

High Confidence

2.1xGap Ratio

52% fewer businesses than national average

High Demand

Delivery ServiceFreight Hauling

Local Density

0.85/10k

National Avg

1.77/10k

Local Businesses

NAICS Code

48412

hospitals or HMO medical centers

Offices of All Other Health Practitioners

High Confidence

1.9xGap Ratio

48% fewer businesses than national average

High Demand

Local Density

0.56/10k

National Avg

1.09/10k

Local Businesses

NAICS Code

62139

building inspection services

Architectural, Engineering, and Related Services

1.9xGap Ratio

48% fewer businesses than national average

High Demand

drafting servicesgeophysical surveying and mapping services

Local Density

1.69/10k

National Avg

3.24/10k

Local Businesses

NAICS Code

5413

Architect

Architectural Services

1.9xGap Ratio

47% fewer businesses than national average

High Demand

Architecture FirmBuilding Design

Local Density

0.28/10k

National Avg

0.54/10k

Local Businesses

NAICS Code

54131

Architect

Architectural Services

1.9xGap Ratio

47% fewer businesses than national average

High Demand

Architecture FirmBuilding Design

Local Density

0.28/10k

National Avg

0.54/10k

Local Businesses

NAICS Code

541310

dwellings

Lessors of Real Estate

High Confidence

1.8xGap Ratio

44% fewer businesses than national average

High Demand

equity real estate investment trusts (REITs) primarily engaged in leasing buildingsor other real estate property to others

Local Density

2.16/10k

National Avg

3.86/10k

Local Businesses

NAICS Code

5311

Offices of Physical, Occupational and Speech Therapists, and Audiologists Business

Offices of Physical, Occupational and Speech Therapists, and Audiologists

1.8xGap Ratio

44% fewer businesses than national average

High Demand

Offices of Physical, Occupational and Speech Therapists, and Audiologists ServiceProfessional Offices

Local Density

0.75/10k

National Avg

1.34/10k

Local Businesses

NAICS Code

62134

Audiologists' offices Recreational (e

Offices of Physical, Occupational and Speech Therapists, and Audiologists

1.8xGap Ratio

44% fewer businesses than national average

High Demand

hospitals or HMO medical centers

Local Density

0.75/10k

National Avg

1.34/10k

Local Businesses

NAICS Code

621340

Offices of Other Health Practitioners Business

Offices of Other Health Practitioners

1.8xGap Ratio

43% fewer businesses than national average

High Demand

Offices of Other Health Practitioners ServiceProfessional Offices

Local Density

3.39/10k

National Avg

5.96/10k

Local Businesses

NAICS Code

6213

Foundation, Structure, and Building Exterior Contractors Business

Foundation, Structure, and Building Exterior Contractors

1.7xGap Ratio

41% fewer businesses than national average

High Demand

Foundation, Structure, and Building Exterior Contractors ServiceProfessional Foundation

Local Density

1.69/10k

National Avg

2.88/10k

Local Businesses

NAICS Code

2381

Plumbing, Heating, and Air-Conditioning Contractors Business

Plumbing, Heating, and Air-Conditioning Contractors

1.7xGap Ratio

41% fewer businesses than national average

High Demand

Plumbing, Heating, and Air-Conditioning Contractors ServiceProfessional Plumbing

Local Density

1.79/10k

National Avg

3.04/10k

Local Businesses

NAICS Code

23822

Cooling tower installation Heating

Plumbing, Heating, and Air-Conditioning Contractors

1.7xGap Ratio

41% fewer businesses than national average

High Demand

air-conditioning (HVAC) contractors Duct work (eventilation

Local Density

1.79/10k

National Avg

3.04/10k

Local Businesses

NAICS Code

238220

Cargo Transport

General Freight Trucking

High Confidence

1.7xGap Ratio

40% fewer businesses than national average

High Demand

Delivery ServiceFreight Hauling

Local Density

1.88/10k

National Avg

3.14/10k

Local Businesses

NAICS Code

4841

offices of notaries

Legal Services

1.6xGap Ratio

39% fewer businesses than national average

High Demand

paralegal servicesthose offered by offices of lawyers

Local Density

3.20/10k

National Avg

5.29/10k

Local Businesses

NAICS Code

5411

are also included

Building Equipment Contractors

1.5xGap Ratio

34% fewer businesses than national average

High Demand

central vacuum cleaning systemselevators

Local Density

3.86/10k

National Avg

5.80/10k

Local Businesses

NAICS Code

2382

Electrical Contractors and Other Wiring Installation Contractors Business

Electrical Contractors and Other Wiring Installation Contractors

1.4xGap Ratio

27% fewer businesses than national average

Moderate Demand

Electrical Contractors and Other Wiring Installation Contractors ServiceProfessional Electrical

Local Density

1.60/10k

National Avg

2.19/10k

Local Businesses

NAICS Code

23821

Electrical Contractors and Other Wiring Installation Contractors Business

Electrical Contractors and Other Wiring Installation Contractors

1.4xGap Ratio

27% fewer businesses than national average

Moderate Demand

Electrical Contractors and Other Wiring Installation Contractors ServiceProfessional Electrical

Local Density

1.60/10k

National Avg

2.19/10k

Local Businesses

NAICS Code

238210

additions

Other Specialty Trade Contractors

1.4xGap Ratio

26% fewer businesses than national average

Moderate Demand

alterationsmaintenance

Local Density

1.60/10k

National Avg

2.15/10k

Local Businesses

NAICS Code

2389

Cleaning Service

Janitorial Services

1.2xGap Ratio

15% fewer businesses than national average

Moderate Demand

Commercial CleaningHouse Cleaning

Local Density

1.50/10k

National Avg

1.77/10k

Local Businesses

NAICS Code

56172

Custodial services Service station cleaning and degreasing services Housekeeping (i

Janitorial Services

1.2xGap Ratio

15% fewer businesses than national average

Moderate Demand

Local Density

1.50/10k

National Avg

1.77/10k

Local Businesses

NAICS Code

561720

Accountant

Other Accounting Services

High Confidence

1.1xGap Ratio

12% fewer businesses than national average

Moderate Demand

Bookkeeping ServiceCPA

Local Density

1.03/10k

National Avg

1.17/10k

Local Businesses

NAICS Code

541219

Insurance Agent

Insurance Agencies and Brokerages

1.1xGap Ratio

11% fewer businesses than national average

Moderate Demand

Insurance BrokerInsurance Sales

Local Density

3.39/10k

National Avg

3.78/10k

Local Businesses

NAICS Code

52421

Insurance Agent

Insurance Agencies and Brokerages

1.1xGap Ratio

11% fewer businesses than national average

Moderate Demand

Insurance BrokerInsurance Sales

Local Density

3.39/10k

National Avg

3.78/10k

Local Businesses

NAICS Code

524210

claims adjustment and third party administration

Agencies, Brokerages, and Other Insurance Related Activities

High Confidence

1.1xGap Ratio

10% fewer businesses than national average

Moderate Demand

Local Density

3.76/10k

National Avg

4.19/10k

Local Businesses

NAICS Code

5242

Cargo Transport

General Freight Trucking, Local

High Confidence

1.0xGap Ratio

2% fewer businesses than national average

Balanced

Delivery ServiceFreight Hauling

Local Density

1.03/10k

National Avg

1.05/10k

Local Businesses

NAICS Code

48411

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