US5.com
  1. Home
  2. States
  3. Kentucky
  4. ZIP 40023
Louisville/Jefferson County metro government (balance), KY

ZIP Code 40023 — Louisville/Jefferson County metro government (balance), KY Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
6,484
Median Income
$135,863
+81% vs US avg
Home Value
$430,200
+24% vs US avg
Median Rent
N/A
Median Age
43.4 yrs
+12% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishIrish
Scroll to load map
Location
Coordinates
38.1741, -85.4323
Elevation
632 ft
Land Area
22.6 sq mi
Water Area
0.3 sq mi (1% water)

At a glance

Population
6,484
Density
N/A
Median income
$135,863
+81% vs US avg
Home value
$430,200
+24% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 40023

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Louisville/Jefferson County metro government (balance), KY (ZIP 40023)

What to know about ZIP 40023

ZIP code 40023 covers Louisville/Jefferson County metro government (balance), KY in Jefferson County with a population of about 6,484.

At a glance, the area shows median age of 43.4 versus a U.S. median of about 38.9.

It sits in telephone area code 502; U.S. House district KY-2; the LOUISVILLE media market.

Income and economy in Louisville/Jefferson County metro government (balance), KY

Median household income in ZIP 40023 is about $135,863 — about 81% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 2.4%; unemployment rate near 2.6%; 50.1% of adults with a bachelor’s degree or higher (about 16.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Finance and insurance, Retail trade, and Manufacturing; about 18.3% of workers reporting work-from-home (about 3.1 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 40023

Median home value is about $430,200 — about 24% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 97.1% (about 31.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 40023 in Louisville/Jefferson County metro government (balance), KY, a household would need roughly $118,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,763. That sits below the local median household income ($135,863), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Louisville/Jefferson County metro government (balance), KY as Relatively High (composite score 98.3), which is among the highest nationally. The strongest component scores on US5 are flood (99.1) and wildfire (56.1). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Louisville/Jefferson County metro government (balance), KY show little to no average snow and around 53.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 242 for ZIP 40023 (Louisville/Jefferson County metro government (balance), KY) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport LOU (13.1 miles (21.1 km)) · MedQuest College (7.8 miles (12.5 km)) · Abraham Lincoln Birthplace National Historical Park (42.7 miles (68.8 km)) · VA: VA Healthcare Center, Dupont Kentucky CBOC (11.5 miles (18.5 km))

Full lists and map pins are in the Infrastructure section below.