Louisville, KY · standard
ZIP Code 40204
Jefferson County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 14,236
- 1,693/sq mi High-density area
- $71,116
- Median income Near-median income area
- $329,000
- Median home value Above-median home value
- 61.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Louisville pairs a below-median household income with above-median home values, in a low-density, mixed-tenure area.
- 48th pct
- household income, US ZIPs
- Top 29%
- home value, US ZIPs
- 1,693
- people per sq mi
- 49%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40204 against every reporting US ZIP.
ZIP code 40204 is a mid-sized community (a standard USPS delivery area) in Louisville, Jefferson County, Kentucky, home to 14,236 residents across 8.4 square miles, a density of 1,693 people per square mile, in the New York time zone.
ZIP 40204 lands in the middle-income range, with a median household income of $71,116 (19% above the average Kentucky ZIP), while per-capita income is $64,676. The poverty rate is 11.3%, with unemployment at 4.6%; those measures add context to the income figure. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $329,000 (107% above the average Kentucky ZIP), with only 49.4% owner-occupied homes and median rent of $1,287.
This is a highly-educated ZIP: 61.3% of adults hold a bachelor's degree or higher, the median age is 39, and the average commute is 18 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Jefferson County, so 40204 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 40204
Top 5 sectors by establishment count in Louisville, KY
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$64,676
Per Capita Income
11.3%
Poverty Rate
4.6%
Unemployment Rate
17.7 min
Mean Commute Time
How ZIP 40204 ranks among Kentucky ZIPs
Louisville, KY household income vs. every Kentucky ZIP code
Median household income among 646 reporting Kentucky ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$71,116 Top 23% higher than 77% of 646 Kentucky ZIPs
Each bar is a $20K-wide band; taller bars hold more Kentucky ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
8,818housing units
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 ZIP avg
$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 40204 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40205
Louisville (40205)
23,678 residents
- 40203
Louisville (40203)
19,694 residents
- 40206
Louisville (40206)
18,865 residents
- 40213
Louisville (40213)
16,796 residents
- 40204
Louisville (40204)
14,236 residents
- 40208
Louisville (40208)
13,227 residents
- 40217
Louisville (40217)
12,507 residents
- 40202 6,772
Louisville (40202)
6,772 residents
- 40280 303
Louisville (40280)
303 residents
What this shows Among its immediate neighbors, ZIP 40204 ranks #5 by population - useful context the national average alone can't give.
ZIP 40204 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40041
Masonic Home (40041)
$153,214 median income
- 40205
Louisville (40205)
$99,966 median income
- 40206
Louisville (40206)
$75,798 median income
- 40204
Louisville (40204)
$71,116 median income
- 40217
Louisville (40217)
$69,114 median income
- 40213 $55,897
Louisville (40213)
$55,897 median income
- 40208 $39,560
Louisville (40208)
$39,560 median income
- 40202 $35,584
Louisville (40202)
$35,584 median income
- 40203 $30,794
Louisville (40203)
$30,794 median income
What this shows By household income, ZIP 40204 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 40204, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (14,236 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
Frequently Asked Questions
What county is ZIP code 40204 in?
ZIP code 40204 (Louisville) is located in Jefferson County, Kentucky. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-ky.
What is the population of ZIP code 40204?
ZIP code 40204 in Louisville, KY has a population of 14,236 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40204?
The median household income in ZIP 40204 is $71,116, which is 7% below the national average of $76,288.
What is the average home value in ZIP 40204?
The median home value in ZIP 40204 is $329,000, which is 18% above the national average of $278,155.
What is the demographic makeup of ZIP 40204?
The largest racial group in ZIP 40204 is White at 85.1%. Hispanic or Latino residents make up 3.3% of the population.
How many businesses are in ZIP code 40204?
ZIP code 40204 has 543 business establishments employing approximately 7,104 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 40204?
The top industries by establishment count in ZIP 40204 are: Accommodation and food services (98), Professional, scientific, and technical services (82), Retail trade (68). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 40204?
According to the FHFA House Price Index, home values in ZIP 40204 decreased by 0.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 193%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 40204?
In ZIP code 40204, 73.6% of residents aged 25+ have a high school diploma or higher, and 61.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 40204?
The mean commute time for workers in ZIP code 40204 is 17.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 40204?
In ZIP code 40204, approximately 49.4% of occupied housing units are owner-occupied and 50.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40204?
The poverty rate in ZIP code 40204 is 11.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 40204's numbers, next.
- See how ZIP 40204 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Louisville, KY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.