Postal Codes

40047 ZIP Code

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ZIP code 40047 covers Mount Washington, Kentucky, with a population of about 23,160 and a median household income of $93,609.

Population
23,160775 per square mile
Median age
39.30.6 points above the US average
Median household income
$93,6091.5× the Kentucky median
Poverty rate
4.6%7.8 points below the US average
Typical home value
$327,404up 21.4% in five years
Median rent
$935about the Kentucky median
Degree or higher
24.8%10.2 points below the US average
Homeownership
88.8%23.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
328

Where 40047 is

Mount Washington, Kentucky — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,160
Median age39.3
Family households76.1%
Born outside the US2%
Speaks a language other than English at home2.8%
White (non-Hispanic)92.3%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)0.5%
Hispanic or Latino2.9%
Veterans8.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$93,609
Income per person$40,404
Poverty rate4.6%
Households on SNAP or cash assistance3.7%

Household income distribution

Under $10k2.1%
$10–15k1.6%
$15–20k2.7%
$20–25k3.0%
$25–30k2.8%
$30–35k2.5%
$35–40k1.4%
$40–45k2.7%
$45–50k2.9%
$50–60k7.1%
$60–75k9.1%
$75–100k16.8%
$100–125k14.7%
$125–150k9.0%
$150–200k12.7%
$200k or more9.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,720
Mean adjusted gross income$77,258
Returns declaring $200,000 or more4.5%
Returns, under $25k21.4%
Returns, $25k–$50k21.7%
Returns, $50k–$75k16.6%
Returns, $75k–$100k12.6%
Returns, $100k–$200k23.2%
Returns, $200k or more4.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$259,600
Median gross rent$935
Rent as a share of household income22.7%
Owner-occupied88.8%
Vacant homes4.6%
Median year built1998

What the homes are

Detached house84.5%
Attached house3.8%
2 to 4 units5%
5 to 19 units3.9%
20 or more units1.1%
Mobile home1.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$327,404as of 2026-07
Typical home value, 1 yearup 2.8%
Typical home value, 5 yearsup 21.4%
Typical home value, 10 yearsup 78%
Typical asking rent$1,612as of 2026-07
Typical home value since 2000
200020132026$327,404$121,430

$121,430 in 2000 to $327,404 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.3%
Bachelor's degree or higher24.8%
High school diploma or higher93%
Works from home9.5%
Drives to work alone80.9%
Takes public transport0%
Commutes 45 minutes or more21.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening68.2% 3.9 pts above the national average of 64.3%
Visited a dentist62% 0.7 pts above the national average of 61.3%
Mammography use74.2% 1.7 pts below the national average of 75.9%
Sleeps under 7 hours41.3% 4.9 pts above the national average of 36.4%
All natural teeth lost12.8% same as the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments328
People employed4,660
Annual payroll$425,240,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 46.8% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 8 census tracts this ZIP code covers
Expected annual loss64.6 out of 100
Community resilience65.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind93.9Very High at its worst in this ZIP code
Tornado91Very High at its worst in this ZIP code
Cold wave83.9Relatively High at its worst in this ZIP code
Lightning80.6Relatively High at its worst in this ZIP code
Winter weather76.4Relatively High at its worst in this ZIP code
Drought72.6Relatively Low at its worst in this ZIP code
Ice storm70.5Relatively Moderate at its worst in this ZIP code
Wildfire62.2Very Low at its worst in this ZIP code
Hail57.3Relatively Low at its worst in this ZIP code
Earthquake51.4Relatively Low at its worst in this ZIP code
Landslide45.6Very Low at its worst in this ZIP code
Heat wave36.1Relatively Moderate at its worst in this ZIP code
River flooding32.8Relatively Moderate at its worst in this ZIP code
Hurricane21.2Very Low at its worst in this ZIP code
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Compared with Kentucky and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPKentuckyUnited States
Median household income$93,609$62,417$78,538
Income per person$40,404$34,960$43,289
Poverty rate4.6%16.1%12.4%
Median home value$259,600$192,300$303,400
Median gross rent$935$933$1,348
Homeownership88.8%68.3%65%
Bachelor's degree or higher24.8%27%35%
Unemployment rate3.3%4.8%5.2%
Works from home9.5%9.1%13.5%
Born outside the US2%4.4%13.9%
Median age39.339.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLOUISVILLE WFO, KY US10.8 km away
Rain in a year53 in
Snow in a year15 in

Average high and low by month

January42.4°F / 26°F3.83 in rain, 4.6 in snow
February47.2°F / 28.9°F3.71 in rain, 4.7 in snow
March56.6°F / 36.7°F5.12 in rain, 2.6 in snow
April68°F / 46.2°F5.34 in rain, 0.1 in snow
May76.7°F / 56.2°F5.79 in rain
June84.3°F / 64.3°F4.86 in rain
July87.3°F / 67.8°F4.68 in rain
August86.9°F / 66.7°F3.33 in rain
September80.7°F / 59.3°F3.84 in rain
October69.5°F / 48°F4.19 in rain
November56.5°F / 37.5°F3.86 in rain, 0.4 in snow
December46°F / 30.3°F4.56 in rain, 2.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket84% of this ZIP code's area
No vehicle and far from a supermarket6% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Bullitt County School District95.3% of this ZIP code's land area
Spencer County School District4.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics38more vulnerable than 38% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport21more vulnerable than 21% of US census tracts
Walkability6.3 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

40291 Louisville, KY9.7 km away
40229 Louisville, KY9.7 km away
40129 Hillview, KY11 km away
40165 Shepherdsville, KY12.3 km away
40228 Louisville, KY12.5 km away
40110 Clermont, KY14.9 km away
40299 Louisville, KY15 km away
40166 Shepherdsville, KY15.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Bullitt County95.3% of this ZIP code's land area
Spencer County4.3% of this ZIP code's land area
Jefferson County0.4% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area29.89 sq mi
Water area0.32 sq mi
Population density775 people per sq mi
Latitude, longitude38.0452, -85.5586

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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