Licensed supply, credential mix, wages and demand outlook for plumbers in Mercer County, IL, updated nightly from the state register and BLS.
Mercer County, IL carries 4 licensed plumbers and a median wage of $76,310/yr ($36.69/hr).
A free report on your market: what the trade pays here, where your credential sits against the local licensed workforce, and the nearby counties that pay more, with the difference and the distance. No account needed.
This county sits at the 79th percentile nationally for plumbers pay, above the median US county. Average weekly wages across the county's construction trades rose 38.1% year over year (BLS QCEW).
Counties within 150 miles whose published median for this occupation is higher than Mercer County's. Medians from the same BLS OEWS series shown above, not offers, and pay is only one reason to move.
| County | Median | Difference | Distance |
|---|---|---|---|
| DeKalb County, IL | $103,380 | +$27,070 | 113 mi |
| Grundy County, IL | $103,380 | +$27,070 | 122 mi |
| Kendall County, IL | $103,380 | +$27,070 | 123 mi |
| Kane County, IL | $103,380 | +$27,070 | 130 mi |
| McHenry County, IL | $103,380 | +$27,070 | 141 mi |
Mercer County holds 1% of the metro area's 279 licensed plumbers (#4 of 4 plumbers pool among its 4 counties), at 2.6 per 10,000 residents against 7.4 metro-wide; the largest pool is Scott County with 241.
Employment from the BLS Quarterly Census of Employment and Wages for the industry this trade sits in; payroll from the Census County Business Patterns. Establishment counts are QCEW where the county is disclosed and an ATI estimate otherwise.
| Measure | Value | What it counts |
|---|---|---|
| Employer establishments | 3 | Physical business locations in this industry. |
County-wide construction activity, across all trades rather than plumbers specifically. Each figure names its source and the period it covers.
| Measure | Value | What it means for you |
|---|---|---|
| New housing units permitted | 18 | Last full year, county-wide. 12 per 10,000 residents. Permits lead construction hiring by months, so this is the earliest honest signal of work arriving (Census Building Permits Survey). |
| Construction employment | 61 | Everyone working in construction in this county, all trades and office staff. Average pay $827 per week. BLS QCEW. |
| Median year homes were built | 1962 | Older stock means more repair, replacement and retrofit work, which is steadier than new build and does not stop in a downturn (Census ACS). |
| Net migration | -25 | People who moved in minus people who moved out, from IRS address changes. Arrivals need housing, wiring, plumbing and heat. |
4.5 apprentices per 10,000 residents. A thin pipeline against an ageing licensed base is how a shortage forms years before it shows up in wages.
License register: 2026-09-17; Wages: 2025-05-31; Demand: 2026-09-17; Apprenticeship: 2025-12-31.
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