Postal Codes

40935 ZIP Code

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ZIP code 40935 covers Flat Lick, Kentucky, with a population of about 1,979 and a median household income of $21,707.

Population
1,97932 per square mile
Median age
35.53.2 points below the US average
Median household income
$21,70765% below the Kentucky median
Poverty rate
67.6%55.2 points above the US average
Typical home value
$83,574up 6.3% in five years
Median rent
$68127% below the Kentucky median
Degree or higher
13.3%21.7 points below the US average
Homeownership
65.9%0.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
13

Where 40935 is

Flat Lick, 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

Population1,979
Median age35.5
Family households78.9%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)98.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans2.7%
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$21,707
Poverty rate67.6%
Households on SNAP or cash assistance37.5%

Household income distribution

Under $10k11.8%
$10–15k15.8%
$15–20k13.5%
$20–25k31.5%
$25–30k1.0%
$30–35k0.0%
$35–40k1.5%
$40–45k6.0%
$45–50k0.0%
$50–60k0.0%
$60–75k3.1%
$75–100k1.9%
$100–125k1.4%
$125–150k3.5%
$150–200k0.0%
$200k or more9.0%

Income as declared to the IRS

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

Tax returns filed720
Mean adjusted gross income$38,624
Returns declaring $200,000 or more0%
Returns, under $25k45.8%
Returns, $25k–$50k30.6%
Returns, $50k–$75k12.5%
Returns, $75k–$100k5.6%
Returns, $100k–$200k5.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$681
Rent as a share of household income51%
Owner-occupied65.9%
Vacant homes29.6%
Median year built1985

What the homes are

Detached house47%
2 to 4 units4.6%
Mobile home48.4%
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$83,574as of 2026-07
Typical home value, 1 yeardown 13.4%
Typical home value, 5 yearsup 6.3%
Typical home value since 2000
201720212026$96,557$56,874

$57,964 in 2017 to $83,574 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate29.3%
Bachelor's degree or higher13.3%
High school diploma or higher49.6%
Works from home2.1%
Drives to work alone85.9%
Takes public transport0%
Commutes 45 minutes or more22.3%
Health

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

Colorectal screening54.9% 9.4 pts below the national average of 64.3%
Visited a dentist40.6% 20.7 pts below the national average of 61.3%
Mammography use63.9% 12 pts below the national average of 75.9%
Sleeps under 7 hours44.1% 7.7 pts above the national average of 36.4%
All natural teeth lost42% 29 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments13
People employed60
Annual payroll$1,455,000
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 71.1% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss47.9 out of 100
Community resilience13.3 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.

Cold wave97.2Very High at its worst in this ZIP code
Landslide97Relatively Moderate at its worst in this ZIP code
Wildfire89.8Relatively Moderate at its worst in this ZIP code
Winter weather83Relatively High at its worst in this ZIP code
River flooding81.5Relatively High at its worst in this ZIP code
Strong wind69.1Relatively Moderate at its worst in this ZIP code
Hail62.2Relatively Moderate at its worst in this ZIP code
Lightning61.1Relatively Moderate at its worst in this ZIP code
Tornado50.3Relatively Moderate at its worst in this ZIP code
Earthquake43.4Relatively Low at its worst in this ZIP code
Heat wave33.9Relatively Low at its worst in this ZIP code
Hurricane33.2Very Low at its worst in this ZIP code
Avalanche25.7Very Low at its worst in this ZIP code
Ice storm12.5Very Low at its worst in this ZIP code
Drought3.1Relatively 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$21,707$62,417$78,538
Income per person$34,960$43,289
Poverty rate67.6%16.1%12.4%
Median home value$192,300$303,400
Median gross rent$681$933$1,348
Homeownership65.9%68.3%65%
Bachelor's degree or higher13.3%27%35%
Unemployment rate29.3%4.8%5.2%
Works from home2.1%9.1%13.5%
Born outside the US0%4.4%13.9%
Median age35.539.138.7
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 stationBARBOURVILLE, KY US11.6 km away
Rain in a year54 in

Average high and low by month

January45.1°F / 24.6°F4.37 in rain
February50.1°F / 27.6°F4.35 in rain
March58.8°F / 32.8°F4.91 in rain
April69.3°F / 41.3°F5.08 in rain
May77.4°F / 51.4°F4.54 in rain
June84.3°F / 60.3°F5.11 in rain
July87°F / 64.8°F5.77 in rain
August86.2°F / 63.6°F3.98 in rain
September81.1°F / 56.3°F3.45 in rain
October70.6°F / 43.5°F3.13 in rain
November58.3°F / 32.8°F3.82 in rain
December48.9°F / 27.9°F5.26 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 supermarket97% of this ZIP code's area
Far from a supermarket23% of this ZIP code's area
No vehicle and far from a supermarket23% 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%.

Knox 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 vulnerability64more vulnerable than 64% of US census tracts
Socioeconomic status90more vulnerable than 90% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability2.8 out of 20Least walkable
Nearby ZIP codes

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

40939 Fourmile, KY4.7 km away
40903 Artemus, KY5.7 km away
40930 Dewitt, KY6.1 km away
40946 Green Road, KY7.1 km away
40915 Bimble, KY8.2 km away
40995 Trosper, KY8.6 km away
40955 Ingram, KY8.6 km away
40949 Heidrick, KY11.3 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.

Knox County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area61.86 sq mi
Water area0.06 sq mi
Population density32 people per sq mi
Latitude, longitude36.8290, -83.7702

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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