40243 ZIP Code, Louisville, KY
40243 is a ZIP code in Louisville, Kentucky in Jefferson County. It covers 4.1 square miles of land. The closest ZIP codes are 40223, 40242 and 40222. 12,002 people live here in 5,741 households. At about 2,922 people per square mile it has suburban density, and owners and renters are mixed (63% own). Median household income is $77,587, above the Kentucky median of $63,726; the median age is 48.0, older than most ZIP codes.
Quick facts
- Mailing city: Louisville, KY
- County: Jefferson County
- Land area: 4.1 sq mi
- Population: 12,002
- Median household income: $77,587
Key figures
| Measure | Value |
|---|---|
| Residents | 12,002 |
| Households | 5,741 |
| Median household income | $77,587 |
| Income per person | $49,797 |
| Median age | 48 |
| Homeowners | 63.1% |
| Median home value | $323,200 |
| Median rent | $1,444 |
| Bachelor's degree or higher | 54.9% |
| Average commute (minutes) | 18.7 |
| Households with kids under 18 | 22.5% |
| Moved in the past year | 16.6% |
| Below the poverty line | 7.2% |
| Broadband internet | 88.8% |
| Speak a non-English language at home | 9.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.3% |
| $10–15K | 3.3% |
| $15–25K | 7.0% |
| $25–35K | 7.2% |
| $35–50K | 13.4% |
| $50–75K | 15.5% |
| $75–100K | 12.2% |
| $100–150K | 16.4% |
| $150–200K | 12.5% |
| $200K+ | 10.3% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.3% |
| 10–19 | 11.4% |
| 20–24 | 5.2% |
| 25–34 | 13.4% |
| 35–44 | 8.7% |
| 45–54 | 12.4% |
| 55–64 | 14.0% |
| 65–74 | 12.1% |
| 75+ | 14.4% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 36.5% |
| Owned outright | 22.6% |
| Rented | 33.6% |
| Vacant | 7.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 56.9% |
| Townhome | 2.7% |
| 2–4 units | 5.3% |
| 5–19 units | 21.7% |
| 20+ units | 13.4% |
| Mobile / other | 0.0% |
Businesses in 40243
659 business establishments with 8,262 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 100
- Health Care and Social Assistance: 90
- Finance and Insurance: 89
- Retail Trade: 85
- Other Services (except Public Administration): 77
- Accommodation and Food Services: 62
- Real Estate and Rental and Leasing: 34
- Administrative and Support and Waste Management and Remediation Services: 33
EDDM carrier routes
See every USPS carrier route in 40243 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 40223 — Louisville/Jefferson County metro government (balance), KY (1.3 mi)
- 40242 — Lyndon city, KY (3.9 mi)
- 40222 — Louisville/Jefferson County metro government (balance), KY (4.6 mi)
- 40241 — Louisville/Jefferson County metro government (balance), KY (4.7 mi)
- 40220 — Louisville/Jefferson County metro government (balance), KY (5 mi)
- 40245 — Louisville/Jefferson County metro government (balance), KY (5.1 mi)
- 40056 — Pewee Valley city, KY (5.3 mi)
- 40299 — Louisville/Jefferson County metro government (balance), KY (6.2 mi)
Areas that include 40243
- Middletown, KY ZIP codes — 3 ZIP codes
- Douglass Hills, KY ZIP codes — 2 ZIP codes
- Woodland Hills, KY ZIP codes — 1 ZIP code
- Louisville, KY ZIP codes — 35 ZIP codes
- Jefferson County ZIP codes — 39 ZIP codes
- Kentucky ZIP code data
Where it ranks
- No. 10 of 33: highest median home value in Jefferson County
- No. 5 of 33: highest share of residents who moved in during the past year in Jefferson County
- No. 1 of 33: highest median age in Jefferson County
- No. 4 of 33: fastest population growth in Jefferson County
- No. 8 of 30: highest median home value in Louisville, KY
- No. 5 of 30: highest share of residents who moved in during the past year in Louisville, KY
- No. 1 of 30: highest median age in Louisville, KY
- No. 2 of 30: fastest population growth in Louisville, KY
Mail every home in 40243
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
Louisville EDDM mailing
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 40243, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 40243 in?
- 40243 is a Louisville, KY mailing address. By land area, 68% lies inside Middletown, 24% lies inside Douglass Hills, 5% lies inside Woodland Hills and 2% lies inside Louisville/Jefferson County metro government (balance).
- What county is 40243 in?
- 40243 is in Jefferson County.
- What is the population of 40243?
- About 12,002 people (±570), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 11,521.
- What is the median household income in 40243?
- $77,587 (±$7,560), compared with $63,726 for Kentucky as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 40243?
- EDDM2GO's stored route library does not include 40243 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 40243?
- The closest, measured center to center: 40223 (1.3 mi, Louisville/Jefferson County metro government (balance), KY), 40242 (3.9 mi, Lyndon), 40222 (4.6 mi, Louisville/Jefferson County metro government (balance), KY), 40241 (4.7 mi, Louisville/Jefferson County metro government (balance), KY), 40220 (5 mi, Louisville/Jefferson County metro government (balance), KY) and 40245 (5.1 mi, Louisville/Jefferson County metro government (balance), KY).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.