How much does a Data Scientist make in District Of Columbia?

The average Data Scientist salary in District Of Columbia is around $145,000 per year. After federal taxes, FICA, and District Of Columbia state taxes, your estimated take-home pay is approximately $101,017 annually ($8,418/month).

What is the take-home pay for a Data Scientist in District Of Columbia?

On a $145,000 salary in District Of Columbia, your take-home pay is approximately $101,017/year or $8,418/month. Federal tax: $23,534. State tax: $9,357. FICA: $11,093.

Is $145,000 a good Data Scientist salary?

$145,000 is a strong salary for a Data Scientist — above the national median. In District Of Columbia, demand for this role is active.

How do District Of Columbia taxes affect Data Scientist salaries?

District Of Columbia levies state income tax on top of federal taxes. Your estimated state tax on $145,000 is $9,357. Your total effective tax rate is approximately 30.3%.

What are the career growth prospects for Data Scientists?

36% growth through 2032 (much faster than average). Related roles include: ML Engineer, Data Analyst, AI Engineer, Research Scientist.

How can a Data Scientist in District Of Columbia reduce their tax bill?

Maximize your 401(k) contribution ($24,500 in 2026) to reduce taxable income. An HSA ($4,400 single / $8,750 family) adds further pre-tax savings. These strategies can save thousands annually — use our calculator to see your exact savings.

Tech

Data Scientist Salary in District Of Columbia (2026)

Average Data Scientist pay in District Of Columbia

$145,000/year

≈ $70/hour before tax

After tax (single filer)

$101,017/year

$8,418/month · effective tax rate 30.33%

Federal $23,534
State $9,357
FICA $11,093
Take-home

Pay by role in District Of Columbia

Staff / Principal Data Scientist$185,000–$315,000+ TC
Senior DS (Census / BLS / BEA / Federal Civilian)$125,000–$192,000+ GS-13/14
Senior DS (Cleared / IC / Booz Allen / Leidos / SAIC)$140,000–$222,000+ TC
Senior DS (Capital One / Hilton / Marriott)$135,000–$210,000+ TC
Senior DS (RAND / Brookings / AEI / Urban Institute)$118,000–$182,000+ TC
Senior DS (Health / MedStar / Children's National)$108,000–$162,000+ bonus

See all 11 roles with notes

See the full tax breakdown

Category	Amount
Annual Take-Home Pay	$101,017
Monthly Take-Home Pay	$8,418
Biweekly Take-Home Pay	$3,885
Hourly Take-Home Pay based on 2,080 hrs/year	$49/hr
Federal Tax	$23,534
State Tax	$9,357
FICA Taxes	$11,093
Effective Tax Rate total taxes ÷ gross salary	30.33%

Estimates only — not tax advice. · Full disclaimer →

Not all Data Scientists earn the same — not even close

DC's data science market is anchored by federal civilian + cleared analytics (US Census Bureau + Bureau of Labor Statistics BLS + Bureau of Economic Analysis BEA + Federal Reserve Board + Treasury + USDS + 18F + GSA TTS + DOD + Intelligence Community IC + the substantial federal civilian DS as one of country's substantial US public sector DS concentrations + the substantial post-2024 federal GenAI + AI executive orders), DC-Northern Virginia cleared contractor analytics (Booz Allen Hamilton + Leidos + SAIC + CACI + ManTech + IBM Federal + Deloitte Federal + the substantial cleared IC + DOD + DHS analytics), DC think tank + research (RAND Corporation Arlington cross-border + Brookings Institution + American Enterprise Institute AEI + Center for American Progress + Urban Institute + the substantial DC think tank policy research analytics + Federal Reserve Board research staff economists), Capital One + Hilton + Marriott corporate analytics, MedStar Washington Hospital Center + Children's National + GW Hospital + Howard University Hospital healthcare analytics, plus Georgetown McCourt School of Public Policy + GW Trachtenberg School of Public Policy + American University + Howard University DS pipeline.

Staff / Principal Data Scientist

$185,000–$315,000+ TC

Senior IC at Capital One + Hilton + Marriott + cleared DC contractors

Senior DS (Census / BLS / BEA / Federal Civilian)

$125,000–$192,000+ GS-13/14

Census + BLS + BEA + Federal Reserve · federal civilian DS · GS-13/14

Senior DS (Cleared / IC / Booz Allen / Leidos / SAIC)

$140,000–$222,000+ TC

IC + DOD + Booz + Leidos + SAIC + CACI · TS/SCI + polygraph premium

Senior DS (Capital One / Hilton / Marriott)

$135,000–$210,000+ TC

Capital One + Hilton + Marriott · DC-DMV corporate analytics

Senior DS (RAND / Brookings / AEI / Urban Institute)

$118,000–$182,000+ TC

RAND + Brookings + AEI + Urban Institute · think tank policy research

Senior DS (Health / MedStar / Children's National)

$108,000–$162,000+ bonus

MedStar + Children's National + GW + Howard · healthcare analytics

Senior Economist (Federal Reserve / Treasury / IMF / World Bank)

$135,000–$215,000+ bonus

Federal Reserve research + Treasury + IMF + World Bank · economic research

Senior ML / Decision Scientist

$135,000–$215,000+ TC

Capital One + cleared + Federal Reserve · forecasting + experimentation

Senior DS (Federal GenAI / AI Executive Order)

$140,000–$222,000+ TC

Federal GenAI + AI EO + USDS + GSA + DOD JAIC · cleared GenAI

Mid-Level Data Scientist (3-6 yrs)

$95,000–$138,000

Functional IC at DC major employers · transitioning to senior band

Junior Data Scientist (0-3 yrs)

$72,000–$98,000

Georgetown McCourt + GW Trachtenberg + AU + Howard + UDC · entry

Worth knowing: Federal civilian analytics (Census + BLS + BEA + Federal Reserve + Treasury) + cleared IC + DOD contractor analytics (Booz Allen + Leidos + SAIC) + DC think tank + research (RAND + Brookings + AEI) + Capital One corporate tetra-anchor is one of the country's distinctive concentrated US single-state federal civilian + cleared + policy research + corporate DS cluster and a feature most national DS surveys understate for DC. Federal civilian analytics (US Census Bureau + Bureau of Labor Statistics BLS + Bureau of Economic Analysis BEA + Federal Reserve Board + Treasury + USDS + 18F + GSA TTS + DOD + Intelligence Community IC + the substantial federal civilian DS as one of country's substantial US public sector DS concentrations + the substantial post-2024 federal GenAI + AI executive orders). DC-Northern Virginia cleared contractor analytics (Booz Allen Hamilton + Leidos + SAIC + CACI + ManTech + IBM Federal + Deloitte Federal). DC think tank + research (RAND Corporation Arlington cross-border + Brookings Institution + American Enterprise Institute AEI + Center for American Progress + Urban Institute + Federal Reserve Board research staff economists). Capital One + Hilton + Marriott. MedStar + Children's National + GW + Howard healthcare analytics. Georgetown McCourt + GW Trachtenberg + AU + Howard DS pipeline. DC progressive top 10.75% + DC NLC since 2024 anchor the DC DS proposition.

Sources & Methodology

Salary figures are market estimates for Data Scientists in District Of Columbia and vary by employer, specialty, seniority, and metro. Take-home math assumes a single filer with no dependents, the standard deduction, and District Of Columbia 2026 state rates. Local taxes, insurance premiums, and pre-tax contributions will move your number — run the calculator for your own situation.