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What does a Data Scientists salary really buy you in District of Columbia?
District of Columbia is 16.6% pricier than the US averageData: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19
District of Columbia's Regional Price Parity (RPP) is 116.6, meaning prices are 16.6% higher the national average. A Data Scientists earning $126,490 in District of Columbia has the equivalent purchasing power of $108,481 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for District of Columbia's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $89,750 | $76,972 | $-12,777 |
| 25th Percentile (P25) | $105,320 | $90,325 | $-14,994 |
| Median (P50) | $126,490 | $108,481 | $-18,008 |
| 75th Percentile (P75) | $174,650 | $149,785 | $-24,864 |
| 90th Percentile (P90) | $209,730 | $179,871 | $-29,858 |
While $126,490 sounds high, District of Columbia's elevated cost of living erases 14% of that salary's purchasing power. Your real buying power is $108,481. Consider whether the higher pay offsets the higher costs.
District of Columbia's RPP of 116.6 puts it 16.6% above the national baseline cost of living. A Data Scientists needs that premium in nominal pay just to maintain the same purchasing power as an average-cost state.
Adjusting $126,490 for District of Columbia's cost of living yields $108,482 — a 14.2% loss in real purchasing power. This magnitude usually reflects either a materially cheaper or materially pricier metro mix than the national average.
District of Columbia's rank of #28 of 49 states means real purchasing power for Data Scientists trails the national half-way line.
Where does Data Scientists salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
District of Columbia ranks #28 out of 49 states for Data Scientists after cost-of-living adjustment.
How much do you actually take home? See Data Scientists take-home pay in District of Columbia after taxes →
A Data Scientists in District of Columbia earns a median salary of $126,490 per year. After adjusting for District of Columbia's cost of living (RPP=116.6), the real purchasing power is $108,481 — a -14.2% difference.
District of Columbia's cost of living is 16.6% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for District of Columbia is 116.6 (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 Data Scientists in District of Columbia: $126,490 x (100 / 116.6) = $108,481. This represents what the salary would be worth in a state with average living costs.
Partially — a Data Scientists's nominal salary of $126,490 in District of Columbia has 14.2% less purchasing power due to higher living costs. The real value is $108,481. However, District of Columbia may offer better career opportunities, networking, and industry access.
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