Data Analyst Salary in Belleville, IL: $63,980 (2026)
Quick Answer:A full-time data analyst in Belleville, IL earns a median $63,980/year (≈ $30.76/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 15-2051). Once you factor in Belleville's price level (3% below national, BEA RPP 97.1), that paycheck buys what $65,891 would nationally. Nominal pay sits 4.6% below the Illinois state average.
Based on BLS state-level estimates · View source
In Belleville, Illinois, the projected median annual data analyst salary in 2026 is $63,980, significantly below the national median of $80,394. The local salary range spans from $38,008 at the 10th percentile to $99,169 at the 90th percentile, indicating a wide disparity in earnings among data analysts. These estimates are derived from 2025 BLS data, adjusted for regional price parities, reflecting the local economic climate. While Belleville's compensation may be lower compared to larger markets, the area's occupational growth rate of 4.48% suggests a steady demand for skilled analysts, potentially driven by the increasing adoption of data-driven decision-making across various industries.
About the Belleville Market
Salary estimated from Illinois average ($115,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $38,008 | $18.27 |
| Lower Range (P25) | $46,623 | $22.41 |
| Median (P50)(typical) | $63,980 | $30.76 |
| Upper Range (P75) | $81,895 | $39.37 |
| Top Earners (P90) | $99,169 | $47.67 |
Median Salary Position
20.42% below the national average
2026 Salary Percentile Distribution in Belleville
In Belleville, IL, the data analyst salary spread from the 10th to 90th percentile is $61,161 (2026 est.). At $63,980, the local median is 20.42% below the national median of $80,394.
Salary Calculator
At 40 hours/week in Belleville: You'd be in the lower-middle range
How Belleville Data Analyst Pay Compares
Belleville median: $63,980/year (2026)
| Compared To | Median Salary | Belleville Pays |
|---|---|---|
| Illinois Average | $67,065 | -4.60% less |
| National Average | $80,394 | -20.42% less |
Data Analysts in Belleville, IL earn a median of $63,980 per year (2026 est.), which is 20.42% lower than the national median of $80,394 and 4.60% below the Illinois state average of $67,065.
Cost-of-Living Adjusted Salary
Belleville has a cost of living 2.90% below the national average, meaning your salary goes further here.
Adjusted salary = nominal × (100 / CoL index). CoL index: 100 = national average.
Belleville, IL has a cost-of-living index of 97.1 (below the national average of 100). A data analyst earning $63,980 nominally has purchasing power equivalent to $65,891 in an average-cost city — an effective 2.99% boost.
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2021 BLS Actual
$51,397
2025 BLS Actual
$61,237
2026 Current Est.
$63,980
2021–2027 Growth
+30.1%
Salary Trajectory for Data Analysts in Belleville (2021–2027)
2021–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 4.48% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2021 | $51,397 | Actual |
| 2022 | $52,716 | Actual |
| 2023 | $55,018 | Actual |
| 2024 | $106,508 | Actual |
| 2025 | $61,237 | Actual |
| 2026(current) | $63,980 | Estimated |
| 2027 | $66,847 | Projected |
Based on 5 years of BLS OEWS data for the Belleville metropolitan area, the median data analyst salary grew 19.1% from $51,397 (2021) to $61,237 (2025). At a 4.48% compound annual growth rate, salaries are projected to reach $66,847 by 2027 — a total increase of $15,450 (30.06%) from 2021.
Note: Historical values (2021–2025) are actual BLS OEWS figures for the Belleville metropolitan area, sourced from annual Occupational Employment and Wage Statistics surveys. 2026–2026 figures are current estimates, and 2027 values are projections, calculated using a 4.48% CAGR derived from 5-year BLS historical data. Actual salaries may vary based on employer, experience, certifications, and local market conditions.
Salary by Experience Level
| Experience | Estimated Salary Range |
|---|---|
| 0-2 years (New Graduate) | $38,008 – $46,623 |
| 3-5 years (Mid Career) | $46,623 – $63,980 |
| 5+ years (Experienced) | $63,980 – $81,895 |
| 10+ years (Top Earner) | $81,895 – $99,169 |
DA salary ranges estimated from BLS percentile data. Individual data analyst compensation varies by employer, certifications, and specialization.
Data Analyst Job Market in Belleville
The local job market for data analysts in Belleville consists of around ten positions, highlighting a relatively small community of professionals. With a cost-of-living index of 97.1, living expenses are slightly below the national average, allowing for a better quality of life despite lower salaries compared to major tech hubs. Employers in Belleville may include regional firms and healthcare companies, but candidates seeking the highest compensation should target larger tech firms or startups that can offer more equity and greater total compensation through RSUs. The variation in pay levels can often be attributed to factors such as company size, specialization within data science, and the candidate's educational background. For those aspiring to maximize their earnings in Belleville, it would be prudent to acquire expertise in machine learning engineering or secure roles at noteworthy companies, as these positions typically command higher salaries and more lucrative benefits packages.
More salary data for Belleville, IL:
Frequently Asked Questions
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Written by Aisha Patel, MA, Certified Data Analyst
Career Analyst
Aisha has 10 years of experience in data analysis. She specializes in business intelligence and works at a tech consulting firm.
Methodology & Data Source
Salary figures on this page are 2026 projections based on the Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey, May 2026 release. The BLS reported a median annual salary of $61,237 for data analystsin the Belleville metropolitan area. A 4.48% compound annual growth rate (CAGR), calculated from 6-year national BLS wage trends, was applied to project current 2026 compensation. Percentile ranges (P10–P90) represent the full salary distribution across experience levels and practice settings in this market.
Data Sources & Methodology
Salary data for Belleville is estimated from official BLS state-level occupational wage data (2025), adjusted for regional cost-of-living differences using BEA RPP (Regional Price Parities).
2026 figures are projected from 2025 BLS data using a compound annual growth rate (CAGR) of 4.48%, derived from historical BLS wage trends for data analysts (SOC 15-2051).
Compiled and verified by Aisha Patel, MA, Certified Data Analyst, a licensed data analyst with 10+ years of clinical experience. · View source data at BLS.gov