Postal Codes

40107 ZIP Code

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ZIP code 40107 covers Boston, Kentucky, with a population of about 1,981 and a median household income of $54,500.

Population
1,98138 per square mile
Median age
46.57.8 points above the US average
Median household income
$54,50013% below the Kentucky median
Poverty rate
13.3%0.9 points above the US average
Typical home value
$252,598up 21.4% in five years
Median rent
$936about the Kentucky median
Degree or higher
10.2%24.8 points below the US average
Homeownership
74.8%9.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
25

Where 40107 is

Boston, 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

Population1,981
Median age46.5
Family households81.1%
Born outside the US5.6%
Speaks a language other than English at home6.2%
White (non-Hispanic)90.2%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino9.5%
Veterans3.3%
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$54,500
Income per person$26,679
Poverty rate13.3%
Households on SNAP or cash assistance4.5%

Household income distribution

Under $10k15.1%
$10–15k2.1%
$15–20k1.5%
$20–25k0.7%
$25–30k3.8%
$30–35k8.9%
$35–40k8.5%
$40–45k3.3%
$45–50k4.6%
$50–60k6.9%
$60–75k8.8%
$75–100k11.4%
$100–125k10.9%
$125–150k9.6%
$150–200k1.6%
$200k or more2.1%

Income as declared to the IRS

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

Tax returns filed990
Mean adjusted gross income$67,288
Returns declaring $200,000 or more4%
Returns, under $25k25.3%
Returns, $25k–$50k25.3%
Returns, $50k–$75k17.2%
Returns, $75k–$100k11.1%
Returns, $100k–$200k17.2%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$192,800
Median gross rent$936
Rent as a share of household income12.3%
Owner-occupied74.8%
Vacant homes12.4%
Median year built1989

What the homes are

Detached house77.3%
Attached house0.2%
5 to 19 units11.4%
Mobile home11%
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$252,598as of 2026-07
Typical home value, 1 yearup 4.5%
Typical home value, 5 yearsup 21.4%
Typical home value since 2000
201820222026$252,598$145,726

$145,726 in 2018 to $252,598 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher10.2%
High school diploma or higher85.4%
Works from home5.9%
Drives to work alone83.9%
Takes public transport0%
Commutes 45 minutes or more21.1%
Health

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

Colorectal screening70.7% 6.4 pts above the national average of 64.3%
Visited a dentist63.1% 1.8 pts above the national average of 61.3%
Mammography use74.4% 1.5 pts below the national average of 75.9%
Sleeps under 7 hours37.6% 1.2 pts above the national average of 36.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments25
People employed270
Annual payroll$15,395,000
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 80.4% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss74.4 out of 100
Community resilience74.9 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.

Lightning96.8Very High at its worst in this ZIP code
Strong wind95.5Relatively High at its worst in this ZIP code
River flooding94Relatively High at its worst in this ZIP code
Winter weather87Relatively High at its worst in this ZIP code
Drought85.2Relatively Low at its worst in this ZIP code
Landslide84.6Relatively Low at its worst in this ZIP code
Tornado74.6Relatively High at its worst in this ZIP code
Cold wave74.4Relatively Moderate at its worst in this ZIP code
Ice storm72.8Relatively Moderate at its worst in this ZIP code
Wildfire72.2Relatively Low at its worst in this ZIP code
Hail65.5Relatively Low at its worst in this ZIP code
Earthquake53.2Relatively Low at its worst in this ZIP code
Hurricane36.2Very Low at its worst in this ZIP code
Heat wave33.9Relatively 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$54,500$62,417$78,538
Income per person$26,679$34,960$43,289
Poverty rate13.3%16.1%12.4%
Median home value$192,800$192,300$303,400
Median gross rent$936$933$1,348
Homeownership74.8%68.3%65%
Bachelor's degree or higher10.2%27%35%
Unemployment rate1.3%4.8%5.2%
Works from home5.9%9.1%13.5%
Born outside the US5.6%4.4%13.9%
Median age46.539.138.7
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 stationBERNHEIM FOREST, KY US20.2 km away
Rain in a year53 in

Average high and low by month

January44.6°F / 26°F3.83 in rain
February49.6°F / 28.5°F3.69 in rain
March59.2°F / 36°F5.13 in rain
April70.3°F / 45.1°F5.09 in rain
May77.6°F / 54.9°F5.28 in rain
June84.4°F / 62.2°F4.89 in rain
July87.7°F / 66.5°F4.81 in rain
August87°F / 64.8°F3.52 in rain
September81.4°F / 57.7°F3.59 in rain
October70.9°F / 46.7°F4.26 in rain
November58.4°F / 36.7°F3.87 in rain
December47.9°F / 29.8°F4.59 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 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%.

Nelson County School District100% 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 vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics17more vulnerable than 17% of US census tracts
Racial and ethnic minority status0more vulnerable than 0% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability3.1 out of 20Least walkable
Nearby ZIP codes

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

40051 New Haven, KY11.6 km away
40004 Bardstown, KY13.9 km away
40052 New Hope, KY14.3 km away
40048 Nazareth, KY16.2 km away
40150 Lebanon Junction, KY16.7 km away
40037 Loretto, KY19.5 km away
40049 Nerinx, KY19.9 km away
40062 Saint Francis, KY21.3 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.

Nelson County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area52.81 sq mi
Water area1.03 sq mi
Population density38 people per sq mi
Latitude, longitude37.7408, -85.5948

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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