Postal Codes

42327 ZIP Code

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ZIP code 42327 covers Calhoun, Kentucky, with a population of about 4,379 and a median household income of $68,611.

Population
4,37935 per square mile
Median age
40.21.5 points above the US average
Median household income
$68,6111.1× the Kentucky median
Poverty rate
4.8%7.6 points below the US average
Typical home value
$187,033up 21.6% in five years
Median rent
$62733% below the Kentucky median
Degree or higher
18.8%16.2 points below the US average
Homeownership
83.1%18.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
81

Where 42327 is

Calhoun, 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

Population4,379
Median age40.2
Family households72.6%
Born outside the US1.1%
Speaks a language other than English at home2.2%
White (non-Hispanic)94.2%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)0.3%
Hispanic or Latino2.5%
Veterans5.7%
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$68,611
Income per person$33,378
Poverty rate4.8%
Households on SNAP or cash assistance8.4%

Household income distribution

Under $10k5.5%
$10–15k1.1%
$15–20k7.2%
$20–25k1.2%
$25–30k6.2%
$30–35k6.5%
$35–40k2.7%
$40–45k2.1%
$45–50k3.7%
$50–60k7.4%
$60–75k9.0%
$75–100k8.6%
$100–125k13.3%
$125–150k13.5%
$150–200k3.4%
$200k or more8.4%

Income as declared to the IRS

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

Tax returns filed1,730
Mean adjusted gross income$68,795
Returns declaring $200,000 or more4%
Returns, under $25k31.2%
Returns, $25k–$50k21.4%
Returns, $50k–$75k14.5%
Returns, $75k–$100k12.7%
Returns, $100k–$200k16.2%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$169,000
Median gross rent$627
Rent as a share of household income21%
Owner-occupied83.1%
Vacant homes11.6%
Median year built1978

What the homes are

Detached house76.8%
2 to 4 units0.2%
5 to 19 units2.7%
20 or more units3%
Mobile home17.2%
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$187,033as of 2026-07
Typical home value, 1 yeardown 10.8%
Typical home value, 5 yearsup 21.6%
Typical home value, 10 yearsup 74.2%
Typical home value since 2000
201020182026$209,573$88,440

$91,261 in 2010 to $187,033 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.1%
Bachelor's degree or higher18.8%
High school diploma or higher91.1%
Works from home5.9%
Drives to work alone86.9%
Takes public transport0.1%
Commutes 45 minutes or more17.1%
Health

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

Colorectal screening68.9% 4.6 pts above the national average of 64.3%
Visited a dentist58.7% 2.6 pts below the national average of 61.3%
Mammography use76.7% 0.8 pts above the national average of 75.9%
Sleeps under 7 hours39.4% 3 pts above the national average of 36.4%
All natural teeth lost15.7% 2.7 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments81
People employed510
Annual payroll$21,644,000
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 94.4% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss91.4 out of 100
Community resilience40.3 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.

Ice storm99.4Very High at its worst in this ZIP code
Strong wind99.2Very High at its worst in this ZIP code
Drought97.1Relatively High at its worst in this ZIP code
River flooding96.3Very High at its worst in this ZIP code
Hail95.4Relatively High at its worst in this ZIP code
Winter weather95.3Very High at its worst in this ZIP code
Earthquake91.4Relatively High at its worst in this ZIP code
Tornado84.6Relatively High at its worst in this ZIP code
Heat wave79.9Relatively High at its worst in this ZIP code
Landslide74.6Very Low at its worst in this ZIP code
Lightning72.2Relatively Moderate at its worst in this ZIP code
Cold wave69Relatively Moderate at its worst in this ZIP code
Wildfire62Very Low at its worst in this ZIP code
Hurricane46.1Very 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$68,611$62,417$78,538
Income per person$33,378$34,960$43,289
Poverty rate4.8%16.1%12.4%
Median home value$169,000$192,300$303,400
Median gross rent$627$933$1,348
Homeownership83.1%68.3%65%
Bachelor's degree or higher18.8%27%35%
Unemployment rate4.1%4.8%5.2%
Works from home5.9%9.1%13.5%
Born outside the US1.1%4.4%13.9%
Median age40.239.138.7
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 stationCALHOUN LOCK 2, KY US4.9 km away
Rain in a year46 in
Snow in a year4 in

Average high and low by month

January42.5°F / 26.1°F3.26 in rain, 0.9 in snow
February46.7°F / 29.5°F3.63 in rain, 1.3 in snow
March57.1°F / 37.2°F4.38 in rain, 0.6 in snow
April68.2°F / 46.9°F4.48 in rain
May76.8°F / 56.8°F4.59 in rain
June84.3°F / 64.7°F4.14 in rain
July87.2°F / 67.8°F4.16 in rain
August86.5°F / 66.5°F2.89 in rain
September81.7°F / 59°F3.13 in rain
October70.3°F / 47.3°F3.27 in rain
November56.5°F / 36.3°F3.37 in rain
December46°F / 30.6°F4.26 in rain, 1.5 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 supermarketNone of this ZIP code
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%.

McLean County School District99% 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 vulnerability47more vulnerable than 47% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics34more vulnerable than 34% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport80more vulnerable than 80% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

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

42371 Rumsey, KY7.5 km away
42322 Beech Grove, KY11.4 km away
42377 West Louisville, KY13.6 km away
42356 Maple Mount, KY13.8 km away
42352 Livermore, KY15.6 km away
42350 Island, KY17.1 km away
42372 Sacramento, KY17.5 km away
42334 Curdsville, KY18.4 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.

McLean County99% of this ZIP code's land area
Daviess County1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area123.39 sq mi
Water area2.13 sq mi
Population density35 people per sq mi
Latitude, longitude37.5750, -87.2773

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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