Northern Illinois Service Co

Excavation contractor in Rockford, IL 61109

About this company

Northern Illinois Service Co is listed as an excavation contractor based in Rockford, Illinois, in Winnebago County. Federal motor carrier records list 17 drivers and 23 trucks for the company. It is one of 1 excavation and demolition companies in ZIP 61109.

Fleet size

Drivers17

Trucks23

Last federal filing: Mar 2025. Source: FMCSA.

Moderate market, balanced fieldArea profitability for excavation and demolition in ZIP 61109

Housing demand65

Sales pace, new listings and new construction. Source: Zillow

Customer spending power27

Household income and home values

Room for another company36

More crowded than 64% of US ZIPs

Scored against every US ZIP. An index of local conditions, not this company's results.

County context

One of 5 excavation and demolition companies in Winnebago County, IL.

182 general contractors in Winnebago County, IL.

All 498 construction companies in Winnebago County, IL.

ZIP 61109 at a glance

Population: 26,768 (268 per sq mi)
Median age: 36
Households: Median income $62,973 · 25% earn six figures
Housing: 64% owner-occupied
Workforce: 66% labor-force participation · 9.7% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Housing market around ZIP 61109

Figures describe the local area, not this company.

Typical home value$196,000+10.7% past year · +156% in 10 years

Typical rent$1,199

12-month value outlook+4.8%

New homes permitted, 2025309Winnebago County

Days to sale agreement7Rockford metro · 6 a year ago

Listings with a price cut23.2%Rockford metro

Sale price vs list100.8%Rockford metro

New construction sales17Rockford metro, Aug

Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.

Typical home value, last 10 years

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Winnebago County permitted 309 new homes in 2025. 10% of the homes in this ZIP were built since 2000.

Local figures are estimates from public records and Zillow housing data, updated regularly.