Mount Washington is a city in Bullitt County, Kentucky, home to about 18,480 people across 9.3 square miles. Its ZIP code is 40047.
Homes sold for a median of $197 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Mount Washington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Washington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louisville Muhammad Ali International Airport (SDF)13 miles away |
|---|---|
| Nearest city of 250,000+ | Louisville/Jefferson County, KY10 miles away |
| Nearest city of 1 million+ | Chicago, IL285 miles away |
Straight-line distances from the center of Mount Washington; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mount Washington had 18,090 residents in the 2020 census, up 113% since 2000.
It’s the 23rd largest of 553 towns in Kentucky by population.
Bullitt County grew from 9,602 residents in 1900 to 82,217 in 2020.
Bullitt County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 26°F. About 53.1 inches of rain and melted snow fall in a typical year, with about 15 inches of snow.
Source: NOAA 1991–2020 climate normals, Louisville Wfo, KY weather station (7 miles away).
24,810 jobs at 1,308 businesses in Bullitt County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
99 doctors and other health care providers list an office in Mount Washington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 12 |
| Nurse practitioners and physician assistants | 15 |
| Mental health providers | 31 |
| Physical and occupational therapists | 23 |
| Optometrists | 5 |
| Chiropractors | 4 |
| Pharmacies | 6 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (5 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Bullitt County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Crossroads ElementaryMount Washington | Pre-K–5 | 469 | Public | 0.6 mi |
| MT. Washington ElementaryMount Washington | Pre-K–5 | 577 | Public | 0.5 mi |
| Old Mill Elementary SchoolMount Washington | Pre-K–5 | 591 | Public | 2.7 mi |
| Pleasant Grove Elementary SchoolMount Washington | Pre-K–5 | 661 | Public | 3.2 mi |
| Spring MeadowsMt Washington | 5–12 | 12 | Alternative Education | 1.5 mi |
| Eastside Middle SchoolMount Washington | 6–8 | 682 | Public | 2.7 mi |
| MT. Washington Middle SchoolMount Washington | 6–8 | 474 | Public | 0.8 mi |
| Bullitt East High SchoolMount Washington | 9–12 | 1,664 | Public | 1.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.