SalariesByCity
Machine Learning Engineer · Salary Comparison · BLS OEWS May 2025

Machine Learning Engineer Salary: Louisville, KY vs Seattle, WA

BLS does not publish a separate estimate for Machine Learning Engineers. The figures on this page are the BLS OEWS May 2025 estimates for Data Scientists (15-2051), the closest published occupation.

Side-by-side comparison of wages and local price levels for Machine Learning Engineers in Louisville, KY and Seattle, WA, based on BLS OEWS May 2025 wage data and BEA regional price parities for 2024.

1Which City Pays More?

Higher Median Wage
✓ Seattle, WA
$99,980 vs $164,740
Higher at National-Average Prices
✓ Seattle, WA
$107,420 vs $148,237
2

Detailed Comparison

MetricLouisville, KYSeattle, WADiff
Median Annual Salary$99,980$164,740▲-$64,760
25th Percentile$79,350$108,740▲-$29,390
75th Percentile$129,380$210,370▲-$80,990
90th Percentile$164,110$230,980▲-$66,870
Price Level (BEA 2024, US = 100)93.1111.1-18.0
Median at National-Average Prices$107,420$148,237▲-$40,817
Total Employment6508,370-7,720
▲ = Higher value wins for this metric. Diff = Louisville, KY minus Seattle, WA.

3Summary Analysis

On paper, Seattle, WA pays $64,760 more (median: $99,980 vs $164,740). BEA's regional price parity is 93.1 in Louisville, KY and 111.1 in Seattle, WA (United States = 100). At national-average prices the medians are $107,420 and $148,237, so Seattle, WA comes out ahead once local prices are counted.

5Reading This Comparison

The $64,760 gap between the two medians is a gap in dollars, not in what those dollars buy. Dividing each median by its area's regional price parity restates it at national-average prices: $107,420 for Louisville and $148,237 for Seattle, a difference of $40,817.

The price levels come from the U.S. Bureau of Economic Analysis, which describes them this way: “Regional price parities (RPPs) measure the differences in price levels across states and metropolitan areas for a given year and are expressed as a percentage of the overall national price level.” The figures used here are the all-items index for each whole metropolitan area (Louisville/Jefferson County, KY-IN; Seattle-Tacoma-Bellevue, WA) and cover prices only, not taxes.

BLS estimates 650 Machine Learning Engineer jobs in the Louisville area and 8,370 in the Seattle area. For broader context, see our Kentucky overview and the full Machine Learning Engineer city ranking.

Frequently Asked Questions

Is Machine Learning Engineer salary higher in Louisville, KY or Seattle, WA?

Seattle, WA has the higher median wage for Machine Learning Engineers ($164,740 per year, against $99,980 in Louisville, KY; BLS OEWS May 2025). Restated at national-average prices using BEA regional price parities, the medians are $107,420 in Louisville, KY and $148,237 in Seattle, WA.

How do prices compare between Louisville, KY and Seattle, WA?

The U.S. Bureau of Economic Analysis puts the 2024 regional price parity at 93.1 for the Louisville/Jefferson County, KY-IN metropolitan area and 111.1 for the Seattle-Tacoma-Bellevue, WA metropolitan area, where the United States is 100. That is 6.9% below the national level for Louisville, KY and 11.1% above the national level for Seattle, WA.

Which city pays Machine Learning Engineers more once local prices are counted?

Seattle, WA: at national-average prices its median Machine Learning Engineer wage is $148,237, against $107,420 for Louisville, KY. The adjustment divides each median by the area's BEA regional price parity and covers prices only, not taxes.

Wages and employment: U.S. Bureau of Labor Statistics, OEWS May 2025. Price levels: U.S. Bureau of Economic Analysis, regional price parities (all items) for 2024, tables last updated February 19, 2026.