The Salary Index
Salary data is based on the Seattle-Tacoma-Bellevue, WA metropolitan area and applied to Tacoma using local cost-of-living adjustments.

Data Scientists Salaries in Tacoma, WA

Average Base Pay

$157,290/yr

43% above national average

Monthly

$13,108

Hourly

$76

Cost Index

103

Data Scientists in Tacoma, WA earn an average of $157,290 per year, with most salaries falling between $125,832 and $188,748 depending on experience, employer, and specialization. At 43% above the national average, Tacoma ranks among the higher-paying markets for this role, in part reflecting a local cost of living index of 103. For professionals evaluating a move or negotiating an offer, the headline salary is only part of the picture—what matters most is how far that income actually goes once taxes, rent, and daily expenses are factored in. The sections below break that down in full for Tacoma.

Salary Range

The chart below shows the full compensation spectrum for this role, from entry-level to senior positions. The highlighted center bars represent the 25th–75th percentile band where most professionals are paid.

$118K
Low
$157K
Median
$197K
High
25th percentile: $134K75th percentile: $181K

About Data Scientists

Data Scientists extract actionable insights from large, complex datasets by applying statistical analysis, machine learning, and domain expertise. They work at the intersection of mathematics, programming, and business strategy, helping organizations make evidence-based decisions. The role begins with data acquisition and cleaning—often the most time-consuming phase—followed by exploratory analysis to identify patterns and anomalies. Data Scientists then formulate hypotheses, select appropriate modeling techniques, and build predictive or descriptive models. These models must be validated rigorously against holdout data and evaluated using relevant metrics before being communicated to stakeholders or deployed into production systems. Effective data scientists are strong communicators who can translate complex findings into clear narratives for non-technical audiences. They use visualization tools to make data compelling and accessible. In applied roles, they deploy models into production, monitor model drift, and retrain as data distributions change. Research-oriented data scientists may publish findings or experiment with cutting-edge techniques from academia. The field requires deep statistical knowledge—probability theory, regression, classification, clustering, time series analysis—alongside engineering skills to handle data pipelines and compute infrastructure. Data Scientists work closely with data engineers, product managers, and business stakeholders, and must balance scientific rigor with practical delivery timelines.

What Data Scientists Do

  • Collect, clean, and preprocess structured and unstructured datasets
  • Perform exploratory data analysis to uncover trends and relationships
  • Build, tune, and validate machine learning and statistical models
  • Communicate findings through reports, dashboards, and presentations
  • Collaborate with engineering teams to deploy models into production
  • Monitor model performance and retrain on updated data as needed
  • Define metrics and KPIs in collaboration with business stakeholders
  • Design and analyze A/B experiments to evaluate product changes

Key Skills & Qualifications

  • Python or R for data analysis and modeling
  • Machine learning frameworks such as scikit-learn, TensorFlow, or PyTorch
  • SQL and experience with large-scale data warehouses
  • Statistical knowledge including regression, classification, and hypothesis testing
  • Data visualization with tools like Tableau, Matplotlib, or Seaborn
  • Experience with cloud platforms and distributed computing (Spark, BigQuery)
  • Strong written and verbal communication for presenting to stakeholders
  • Familiarity with experiment design and causal inference

Career Path

  1. Data Analyst
  2. Data Scientist
  3. Senior Data Scientist
  4. Principal Data Scientist / ML Research Scientist
  5. Director of Data Science

Data Scientists Market in Tacoma, WA

Salary Competitiveness

Tacoma is one of the stronger-paying markets for Data Scientists, with local salaries running approximately 43% above the national median. This premium typically reflects a combination of higher employer competition, concentrated industry presence, and elevated cost expectations built into local compensation norms.

Cost of Living Impact

Tacoma sits close to the national cost average. Monthly essential expenses represent about 29% of take-home pay for this role—a midrange ratio that allows for modest savings and discretionary spending, provided housing costs remain stable.

Effective Purchasing Power

After adjusting for local taxes and cost of living, a Data Scientists earning $157,290 in Tacoma reaches a strong purchasing-power position. The effective standard of living this income supports is materially higher than the gross number alone implies—a useful data point for professionals comparing offers across metro areas.

vs. National Avg

+43%

Cost Pressure

29%

Purchasing Power

Strong

Take-Home Pay Calculator

Enter any gross salary to see how federal and state taxes affect your actual take-home pay, broken down by year, month, and week. Results use an estimated effective tax rate of 27% based on this location and income level.

$
Take-home (73%)Taxes (27%)

Annual Net

$114,822

Monthly

$9,569

Weekly

$2,208

Eff. Tax Rate

27%

A gross salary of $157,290 for a Data Scientists in Tacoma translates to roughly $9,569 in monthly take-home pay after estimated federal and state taxes. Set against monthly living costs of $2,770—covering housing, food, transportation, utilities, and healthcare—that leaves approximately $6,799 per month in disposable income. That margin, not the gross number, is what determines whether you can comfortably cover rent, build savings, and afford discretionary spending in Tacoma's current market.

How far does this salary go in Tacoma?

Cost of Living in Tacoma

Estimated monthly expenses for a single person in Tacoma, benchmarked against US regional price indices for housing, food, transportation, utilities, and healthcare.

Cost Index

103

Above Avg — US average is 100. Based on a single person (1-bed apartment).

🏠Housing / Rent$1,620/mo
🍔Food & Groceries$515/mo
🚗Transportation$145/mo
💡Utilities$175/mo
🏥Healthcare$315/mo
Monthly$2,770
Annual$33,240
Disposable Income$6,799

Financial Reality Check

This section compares estimated monthly take-home pay against typical living costs in Tacoma to show your real disposable income—the amount remaining after essential bills are paid each month.

Monthly Take-Home

$9,569

Living Costs

$2,770

Disposable

$6,799

Cost Index

103

Lifestyle

Comfortable

With a monthly take-home of $9,569, your estimated living costs in Tacoma are $2,770 ($33,240/yr). This leaves $6,799 per month in disposable income, indicating a comfortable standard of living. Tacoma's cost of living is 3% above the national average.

Overall, a Data Scientists earning $157,290 in Tacoma falls into a comfortable lifestyle tier and has meaningful room to save, invest, and absorb unexpected expenses without financial stress. With a cost index of 103, Tacoma is 3% more expensive than the national average, which compresses real purchasing power. Regardless of tier, prioritizing retirement contributions, an emergency fund of three to six months' expenses, and incremental debt reduction will yield the greatest long-term financial stability—especially as living costs in Tacoma continue to evolve.

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Data Scientists · Tacoma, WA43% above avg

Gross Salary

$157,290/yr

Take-home

$9,569/mo

Disposable

$6,799/mo

Lifestyle

Comfortable

Source: thesalaryindex.com · BLS data

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COL index, rent benchmarks, top jobs, and affordability score.

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Salary estimates are based on BLS metro data and adjusted using cost-of-living indices.