Postal Codes

40440 ZIP Code

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ZIP code 40440 covers Junction City, Kentucky, with a population of about 2,301 and a median household income of $50,987.

Population
2,301174 per square mile
Median age
39about the US average
Median household income
$50,98718% below the Kentucky median
Poverty rate
22.6%10.2 points above the US average
Typical home value
$192,857up 35.8% in five years
Median rent
$73022% below the Kentucky median
Degree or higher
18.7%16.3 points below the US average
Homeownership
84.1%19.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
25

Where 40440 is

Junction City, 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

Population2,301
Median age39
Family households66.9%
Born outside the US5.7%
Speaks a language other than English at home7.6%
White (non-Hispanic)91.4%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)1.4%
Hispanic or Latino5.8%
Veterans2.1%
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$50,987
Income per person$30,376
Poverty rate22.6%
Households on SNAP or cash assistance15.3%

Household income distribution

Under $10k13.4%
$10–15k10.4%
$15–20k4.9%
$20–25k5.6%
$25–30k4.5%
$30–35k2.9%
$35–40k3.0%
$40–45k0.7%
$45–50k3.8%
$50–60k5.9%
$60–75k9.8%
$75–100k9.7%
$100–125k12.6%
$125–150k4.1%
$150–200k5.4%
$200k or more3.1%

Income as declared to the IRS

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

Tax returns filed980
Mean adjusted gross income$49,888
Returns declaring $200,000 or more0%
Returns, under $25k31.6%
Returns, $25k–$50k30.6%
Returns, $50k–$75k17.3%
Returns, $75k–$100k9.2%
Returns, $100k–$200k11.2%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$126,000
Median gross rent$730
Rent as a share of household income43.6%
Owner-occupied84.1%
Vacant homes14.2%
Median year built1977

What the homes are

Detached house92.3%
2 to 4 units5.5%
Mobile home2.1%
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$192,857as of 2026-07
Typical home value, 1 yeardown 3.3%
Typical home value, 5 yearsup 35.8%
Typical home value, 10 yearsup 119.3%
Typical home value since 2000
200020132026$199,504$61,230

$61,230 in 2000 to $192,857 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.8%
Bachelor's degree or higher18.7%
High school diploma or higher95.6%
Works from home4.8%
Drives to work alone85.5%
Takes public transport0%
Commutes 45 minutes or more22.5%
Health

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

Colorectal screening64% same as the national average of 64.3%
Visited a dentist56.1% 5.2 pts below the national average of 61.3%
Mammography use69.3% 6.6 pts below the national average of 75.9%
Sleeps under 7 hours39.8% 3.4 pts above the national average of 36.4%
All natural teeth lost18.2% 5.2 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments25
People employed128
Annual payroll$3,699,000
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 63.4% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss56.7 out of 100
Community resilience65.1 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 wind97.2Very High at its worst in this ZIP code
Tornado94.6Very High at its worst in this ZIP code
Winter weather90.8Relatively High at its worst in this ZIP code
Lightning86.9Relatively High at its worst in this ZIP code
Ice storm85.4Relatively Moderate at its worst in this ZIP code
Hail83.4Relatively High at its worst in this ZIP code
Landslide77.4Relatively Low at its worst in this ZIP code
Cold wave77.2Relatively High at its worst in this ZIP code
Drought74.5Relatively Low at its worst in this ZIP code
River flooding60.9Relatively High at its worst in this ZIP code
Wildfire60.5Very Low at its worst in this ZIP code
Earthquake57.7Relatively Moderate at its worst in this ZIP code
Heat wave39Relatively Low at its worst in this ZIP code
Hurricane36.1Very 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$50,987$62,417$78,538
Income per person$30,376$34,960$43,289
Poverty rate22.6%16.1%12.4%
Median home value$126,000$192,300$303,400
Median gross rent$730$933$1,348
Homeownership84.1%68.3%65%
Bachelor's degree or higher18.7%27%35%
Unemployment rate6.8%4.8%5.2%
Works from home4.8%9.1%13.5%
Born outside the US5.7%4.4%13.9%
Median age3939.138.7
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 stationDANVILLE, KY US8.3 km away
Rain in a year48 in

Average high and low by month

January42.7°F / 23.3°F3.68 in rain
February47.1°F / 25.8°F3.69 in rain
March56.3°F / 33.3°F4.61 in rain
April67.5°F / 43.6°F4.21 in rain
May75.4°F / 54.1°F4.42 in rain
June83.4°F / 61.4°F4.66 in rain
July86.5°F / 65.3°F5 in rain
August86°F / 63.7°F3.18 in rain
September80.2°F / 56.8°F3.72 in rain
October68.6°F / 44.8°F3.47 in rain
November55.8°F / 34°F3.01 in rain
December46.1°F / 28°F4.2 in rain
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 supermarket10% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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%.

Boyle County School District99.9% 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 vulnerability60more vulnerable than 60% of US census tracts
Socioeconomic status69more vulnerable than 69% of US census tracts
Household characteristics61more vulnerable than 61% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport54more vulnerable than 54% of US census tracts
Walkability3.8 out of 20Least walkable
Nearby ZIP codes

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

40423 Danville, KY7.5 km away
40422 Danville, KY7.6 km away
40464 Parksville, KY11.1 km away
40484 Stanford, KY11.7 km away
40452 Mitchellsburg, KY13.1 km away
40437 Hustonville, KY14.3 km away
40468 Perryville, KY15.7 km away
40448 Mc Kinney, KY17.7 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.

Boyle County99.9% of this ZIP code's land area
Lincoln County0.1% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area13.21 sq mi
Water area0.05 sq mi
Population density174 people per sq mi
Latitude, longitude37.5822, -84.8028

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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