Study living organisms and their relationships to each other and the environment. Median salary in Louisville: $72K/year. Data from BLS, O*NET, and H-1B disclosures.
Figures represent annual base salary in Louisville, Kentucky. Reviewed by SalaryOptics Editorial · How we calculate this →
Analysis derived from the salary, COL, tax, and labor-market figures above — specific to this role and city.
Biologists in Louisville earn approximately 8% lower than the US national median for this role — a $6,000 discount on annual base salary. Louisville's lower wage level partially reflects the area's cost-of-living index of 85 (US avg = 100).
Adjusted for Louisville's cost-of-living index (85), the median Biologist salary buys the equivalent of $84,706 in a US-average-cost city. That's $6,706 more purchasing power than the national median — a meaningful real-wage advantage.
Average 1-bedroom rent in Louisville ($1,100/mo) consumes approximately 28% of an after-tax median Biologist salary. Financial planners typically recommend keeping housing under 30% of take-home — a salary at the 75th percentile ($97K) brings that ratio into a more comfortable range here.
Based on BLS 2022–2032 Employment Projections and WEF Future of Jobs Report 2026. At current growth rates, median salary reaches $72K by 2030.
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The median Biologist salary in Louisville, KY is $72,000 per year as of Q1 2026. This figure represents the midpoint of all reported compensation for this role in the Louisville–KY metropolitan area, based on data from the Bureau of Labor Statistics Occupational Employment Statistics, H-1B visa disclosures from the Department of Labor, and O*NET occupational data.
Entry-level Biologists in Louisville with 0–2 years of experience typically earn between $51,000 and $72,000 annually. Mid-career professionals with 3–7 years command $72,000 to $97,000, while senior-level practitioners with 8+ years of experience regularly earn $97,000 to $129,000 or more.
Louisville has a cost of living index of 85 compared to the US national average of 100. This means your salary goes approximately 15% further in Louisville than the national average. Kentucky has a 5% state income tax rate.
Bachelor's or PhD in Biology. 25% of these roles offer some remote flexibility.