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What does a Library Assistants, Clerical salary really buy you in Massachusetts?
Massachusetts is 9.4% pricier than the US averageData: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19
Massachusetts's Regional Price Parity (RPP) is 109.4, meaning prices are 9.4% higher the national average. A Library Assistants, Clerical earning $42,520 in Massachusetts has the equivalent purchasing power of $38,866 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Massachusetts's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $32,370 | $29,588 | $-2,781 |
| 25th Percentile (P25) | $35,920 | $32,833 | $-3,086 |
| Median (P50) | $42,520 | $38,866 | $-3,653 |
| 75th Percentile (P75) | $50,570 | $46,224 | $-4,345 |
| 90th Percentile (P90) | $59,940 | $54,789 | $-5,150 |
While $42,520 sounds high, Massachusetts's elevated cost of living erases 9% of that salary's purchasing power. Your real buying power is $38,866. Consider whether the higher pay offsets the higher costs.
Massachusetts's RPP of 109.4 puts it 9.4% above the national baseline cost of living. A Library Assistants, Clerical needs that premium in nominal pay just to maintain the same purchasing power as an average-cost state.
After applying Massachusetts's RPP, the $42,520 median salary translates to $38,867 in real terms — a 8.6% loss. That difference can cover several months of expenses over a year for a Library Assistants, Clerical.
Massachusetts sits at #14 of 50 states for Library Assistants, Clerical COL-adjusted salary — comfortably above the national midpoint.
Where does Library Assistants, Clerical salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Massachusetts ranks #14 out of 50 states for Library Assistants, Clerical after cost-of-living adjustment.
How much do you actually take home? See Library Assistants, Clerical take-home pay in Massachusetts after taxes →
A Library Assistants, Clerical in Massachusetts earns a median salary of $42,520 per year. After adjusting for Massachusetts's cost of living (RPP=109.4), the real purchasing power is $38,866 — a -8.6% difference.
Massachusetts's cost of living is 9.4% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Massachusetts is 109.4 (US average = 100).
Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.
The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Library Assistants, Clerical in Massachusetts: $42,520 x (100 / 109.4) = $38,866. This represents what the salary would be worth in a state with average living costs.
Partially — a Library Assistants, Clerical's nominal salary of $42,520 in Massachusetts has 8.6% less purchasing power due to higher living costs. The real value is $38,866. However, Massachusetts may offer better career opportunities, networking, and industry access.
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