SalariesByCity
Data Scientist · Salary Comparison · BLS OEWS May 2025

Data Scientist Salary: Louisville, KY vs San Francisco, CA

Side-by-side comparison of wages and local price levels for Data Scientists in Louisville, KY and San Francisco, CA, based on BLS OEWS May 2025 wage data and BEA regional price parities for 2024.

1Which City Pays More?

Higher Median Wage
✓ San Francisco, CA
$99,980 vs $170,110
Higher at National-Average Prices
✓ San Francisco, CA
$107,420 vs $147,137
2

Detailed Comparison

MetricLouisville, KYSan Francisco, CADiff
Median Annual Salary$99,980$170,110▲-$70,130
25th Percentile$79,350$130,430▲-$51,080
75th Percentile$129,380$212,970▲-$83,590
90th Percentile$164,110$272,430▲-$108,320
Price Level (BEA 2024, US = 100)93.1115.6-22.5
Median at National-Average Prices$107,420$147,137▲-$39,717
Total Employment65010,460-9,810
▲ = Higher value wins for this metric. Diff = Louisville, KY minus San Francisco, CA.

3Summary Analysis

On paper, San Francisco, CA pays $70,130 more (median: $99,980 vs $170,110). BEA's regional price parity is 93.1 in Louisville, KY and 115.6 in San Francisco, CA (United States = 100). At national-average prices the medians are $107,420 and $147,137, so San Francisco, CA comes out ahead once local prices are counted.

5Reading This Comparison

The $70,130 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 $147,137 for San Francisco, a difference of $39,717.

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; San Francisco-Oakland-Fremont, CA) and cover prices only, not taxes.

BLS estimates 650 Data Scientist jobs in the Louisville area and 10,460 in the San Francisco area. For broader context, see our Kentucky overview and the full Data Scientist city ranking.

Frequently Asked Questions

Is Data Scientist salary higher in Louisville, KY or San Francisco, CA?

San Francisco, CA has the higher median wage for Data Scientists ($170,110 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 $147,137 in San Francisco, CA.

How do prices compare between Louisville, KY and San Francisco, CA?

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 115.6 for the San Francisco-Oakland-Fremont, CA metropolitan area, where the United States is 100. That is 6.9% below the national level for Louisville, KY and 15.6% above the national level for San Francisco, CA.

Which city pays Data Scientists more once local prices are counted?

San Francisco, CA: at national-average prices its median Data Scientist wage is $147,137, 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.