Louisville, KY
40203
Jefferson County County · Kentucky · Pop. 21,380
Last updated: June 2026
Louisville, Kentucky (ZIP code 40203) is home to approximately 21,380 residents. The median household income in 40203 is $31,478, which is 56% below the national average of $70,784. The cost of living in 40203 is reflected in its housing market - the median home value is $93,976 and the average rent is $742/month. 40203 has a violent crime rate of 926.0 per 100,000 residents, which is 143% above the national average - earning it a safety grade of D. 40203 is served by with an average school rating of 4.3/10. Air quality in 40203 is rated Good with an average AQI of 43.9. The average commute time in 40203 is 28 minutes, 0 minutes above the national average. Compare 40203 vs national averages and nearby neighborhoods using our free ZipScore intelligence platform.
On This Page
👥 Demographics
Race & Ethnicity
💰 Income & Economy
Affordability Assessment: Renters spend about 28% of income on rent - within the affordable range. Home prices are moderately affordable at 3.0x the median income.
🏠 Housing
🔒 Safety & Crime
Louisville (40203) has significantly elevated violent crime rates. We recommend researching specific neighborhoods within this ZIP code.
🎓 Schools & Education
Top Schools in 40203
| School | Type | Rating | Students |
|---|---|---|---|
| St. Mary's School of Louisville | public | 5/10 | 470 |
| Louisville Charter School | public | 5/10 | 296 |
| Lincoln Elementary | public | 5/10 | 254 |
| Louisville Academy | public | 4/10 | 603 |
🌡️ Climate & Weather
🌫️ Air Quality
⚠️ Natural Disaster Risk
🚗 Commute
Nearby ZIP Codes
Compare 40203 With Another ZIP
Pros and Cons of Living in Louisville, KY (40203)
Based on crime, housing, income, schools, and air quality data
✅ Pros
- + Affordable housing - median home value $93,976 (below national average of $303,400)
- + Affordable rent - average $742/month vs national $1,163/month
- + Good air quality - average AQI of 43.9 (rated "Good" by EPA standards)
- + Low natural disaster risk - minimal risk of flooding, earthquakes, and severe weather
⚠️ Cons
- − Higher-than-average crime - violent crime rate 143% above US average
- − Below-average income - median household income of $31,478
Data sourced from US Census Bureau, FBI Crime Statistics, and EPA. Individual experiences may vary.
Frequently Asked Questions about ZIP Code 40203
What is the population of 40203? ▼
The population of ZIP code 40203 in Louisville, Kentucky is approximately 21,380 people.
Is 40203 safe to live in? ▼
Louisville (40203) has significantly elevated violent crime rates. We recommend researching specific neighborhoods within this ZIP code. Safety Grade: D.
What is the median income in 40203? ▼
The median household income in 40203 (Louisville, Kentucky) is $31,478. The per capita income is $20,461. The US national median household income is $70,784.
What is the cost of living in 40203? ▼
Renters spend about 28% of income on rent - within the affordable range. Home prices are moderately affordable at 3.0x the median income. Median home value: $93,976. Average rent: $742/month.
What are schools like in 40203? ▼
Schools in 40203 receive an Education Grade of F. There are 4 schools with an average rating of 4.3/10 and a student-teacher ratio of 26:1. See the full schools section above for individual school listings.
What is the crime rate in 40203? ▼
The violent crime rate in 40203 is 926.0 per 100,000 residents, which is above the national average of 380.7. Property crime rate: 3449.0 per 100k (national avg: 1,958.2).
What is the average rent in 40203? ▼
The median monthly rent in 40203 (Louisville, Kentucky) is $742/month. The national median rent is $1,163/month. This ZIP code is more affordable than the national average for renters.
What is the median home value in 40203? ▼
The median home value in 40203 (Louisville, Kentucky) is $93,976. The national median home value is $303,400. Homes in this ZIP code are more affordable than the national average.
Is 40203 a good place to live? ▼
40203 (Louisville, Kentucky) has a ZipScore of 41/100 - our composite score based on safety (25%), affordability (20%), schools (15%), air quality (10%), climate (10%), commute (10%), and disaster risk (10%). This area has some advantages but also tradeoffs - review each section.
What is the air quality in 40203? ▼
The average Air Quality Index (AQI) in 40203 is 43.9 - rated Good by EPA standards. Average PM2.5 level: 7.9 µg/m³.
Data sourced from U.S. Census Bureau (ACS), FBI Uniform Crime Report, EPA AirNow, FEMA National Risk Index, and Open-Meteo. Last updated: June 2026