ZIP Code 40204
standardSource:
Louisville · Jefferson County · Kentucky
- Population
- 14,236
- Median income
- $71,116
- Median home value
- $329,000
- Bachelor's or higher
- 61.3%
- Land area
- 8.4 sq mi
1,693/sq mi
▼ 7% vs US
higher than 48% of US ZIPs
▲ 18% vs US
higher than 71% of US ZIPs
Median age 39
New York
ZIP code 40204 in Louisville, Kentucky has a population of 14,236. The median household income is $71,116, which is 7% below the national average. Median home value is $329,000, 18% above the US average. 61.3% of residents hold a bachelor's degree or higher.
ZIP code 40204 is classified by USPS as a standard delivery area and covers roughly 8.4 square miles in Louisville, Jefferson County, Kentucky. The area is home to 14,236 residents, producing a population density of 1,693 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 40204 against Kentucky and the nation.
On the economic side, the median household income for ZIP 40204 sits at $71,116 (19% above the Kentucky average), while per-capita income is $64,676. The poverty rate stands at 11.3% and the unemployment rate at 4.6%. On housing, the median home value is $329,000 (107% above the state average) with median rent at $1,287 per month, and 49.4% of occupied units are owner-occupied, a direct signal of whether 40204 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 61.3% of adults hold a bachelor's degree or higher, the median age is 39, and the average commute is 18 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jefferson County, so you can benchmark 40204 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 40204
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 40204.
- Accommodation and food services
Accommodation and food services
98 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
82 establishments
- Retail trade
Retail trade
68 establishments
- Health care and social assistance
Health care and social assistance
65 establishments
- Other services (except public administration)
Other services (except public administration)
55 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 40204, Louisville, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
14,236
Population
8.4
Area (sq mi)
1,693
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 40204?
39.0
Median Age
50.4%
Male
49.6%
Female
4.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$71,116
Median Household Income
+19% vs state
$64,676
Per Capita Income
11.3%
Poverty Rate
4.6%
Unemployment Rate
17.7 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
8,818
Total Housing Units
7,731
Occupied Units
1,087
Vacant Units
1.77
Avg Household Size
Occupancy Type
$329,000
Median Home Value
+107% vs state
$1,287
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-0.1%
YoY Change (2024)
293
HPI Index (2000 = 100)
+193%
Total Change Since 2000
Home values in ZIP 40204 have decreased 0.1% over the past year (2024). Since 2000, this ZIP has seen +193% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.4% | 226 |
| 2021 | +9.3% | 247 |
| 2022 | +8.1% | 267 |
| 2023 | +10.1% | 294 |
| 2024 | -0.1% | 293 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 543 business establishments in ZIP 40204, employing approximately 7,104 people with a combined annual payroll of $313,018,000.
543
Businesses
7,104
Employees
$313.0M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 98 | 18.1% |
| Professional, scientific, and technical services | 82 | 15.1% |
| Retail trade | 68 | 12.5% |
| Health care and social assistance | 65 | 12.0% |
| Other services (except public administration) | 55 | 10.1% |
| Real estate and rental and leasing | 34 | 6.3% |
| Wholesale trade | 26 | 4.8% |
| Manufacturing | 24 | 4.4% |
| Construction | 22 | 4.0% |
| Administrative and support and waste management and remediation services | 18 | 3.3% |
| Arts, entertainment, and recreation | 14 | 2.6% |
| Information | 13 | 2.4% |
| Finance and insurance | 12 | 2.2% |
| Educational services | 8 | 1.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 40204 vs 40206 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 40206 | Louisville, KY | 18,865 | 1.7 mi |
| 40217 | Louisville, KY | 12,507 | 1.8 mi |
| 40280 | Louisville, KY | 303 | 1.8 mi |
| 40202 | Louisville, KY | 6,772 | 2.2 mi |
| 40203 | Louisville, KY | 19,694 | 2.5 mi |
| 40205 | Louisville, KY | 23,678 | 2.3 mi |
| 40213 | Louisville, KY | 16,796 | 4.4 mi |
| 40208 | Louisville, KY | 13,227 | 2.8 mi |
| 40231 | Louisville, KY | 0 | 3.4 mi |
| 40041 | Masonic Home, KY | 286 | 3.3 mi |
More ZIP Codes in Jefferson County
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Frequently Asked Questions
What county is ZIP code 40204 in? ▼
What is the population of ZIP code 40204? ▼
What is the median household income in ZIP 40204? ▼
What is the average home value in ZIP 40204? ▼
What is the demographic makeup of ZIP 40204? ▼
How many businesses are in ZIP code 40204? ▼
What are the main industries in ZIP code 40204? ▼
How have home values changed in ZIP code 40204? ▼
What is the education level in ZIP code 40204? ▼
What is the average commute time in ZIP 40204? ▼
What percentage of residents own vs. rent in ZIP 40204? ▼
What is the poverty rate in ZIP code 40204? ▼
ZIP Code Research Guides
Official Data Resources for Louisville, KY
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.