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ZIP Code40831

Harlan, KY

Harlan County · Kentucky · United States
Home to 4,719 people across 67.33 square miles.

Eastern26 ZIPs in county

At a glance

40831 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
4,719
±558 · 60th pctile nationally
Median household income
$35,417
US median $70,109 · bottom 10%
Median home value
$106,500
US median $207,500 · bottom 25%
Median age
42.1
US median 42 years
Population density
70/mi²
48th pctile most dense
Land area
67.33 mi²
plus 0.633 mi² water

Location

Where 40831 is

36.760179, -83.328572 · Census ZCTA internal pointOpen larger map →
Coordinates36.760179, -83.328572
Time zoneAmerica/New_York
CountyHarlan County
StateKentucky (KY)
Land area67.33 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/New_York

—:—:—

Current weather

Live from the National Weather Service

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Distance to major cities

Straight-line, computed from coordinates

Atlanta, GA216.5 mi
Chicago, IL421.6 mi
Philadelphia, PA494.0 mi
New York, NY571.4 mi

People

Who lives in 40831

4,719 residents in 2,083 households, averaging 2.27 people per household. The largest age group is 65+ at 21.5% of residents.

Age distribution

Share of residents by age band

Under 1820.8%
18-247.0%
25-3414.0%
35-4411.7%
45-5411.0%
55-6413.9%
65+21.5%

Households

Composition and size

Total households2,083
Average household size2.27
Family households61.5%
Living alone33.2%
Median age42.1 years
Households with internet81.8%

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White92.2%
Black2.9%
Asian1.0%
Pacific Islander0.5%
Two or more3.5%
Hispanic / Latino0.1%

Income & work

What people earn in 40831

The median household here earns $35,417 a year, below the US median of $70,109, which puts 40831 ahead of 4% of American ZIP codes. 25.7% of residents live below the poverty line.

Compared to the US

This ZIP against the national median

Median household income$35,417
LowestHighest
Higher than 4% of all US ZIP codes.
Median household income$35,417 ±$6,683
Per capita income$23,560
Poverty rate25.7%
Unemployment rate11.3%
Labor force participation41.6%

Household income distribution

Share of households in each bracket

<$25k40.6%
$25-50k18.9%
$50-75k14.0%
$75-100k7.8%
$100-150k15.4%
$150-200k2.0%
$200k+1.4%

Educational attainment among residents 25 and older: 19.4% hold a bachelor's degree or higher, 82.2% finished high school.

Housing

Homes and rent in 40831

A typical home is valued at $106,500, and median rent runs $567 a month. Ownership is close to even at 56.7% owned, and the typical building went up in 1977.

Costs

Typical values

Median home value$106,500
Median gross rent$567/mo
Median year built1977
Housing units2,480
Vacancy rate16.0%

Own vs. rent

Of 2,083 occupied units

Owner-occupied56.7%
Renter-occupied43.3%
Owner households1,182
Renter households901

Building types

Units by structure size

Single family58.4%
2-4 units5.4%
5-19 units22.8%
20+ units13.3%

Getting to work

How 40831 commutes

70.7% of workers drove alone, and the average one-way trip takes 18.8 minutes.

Mode of transport

Workers 16 and older

Drove alone70.7%
Carpooled19.7%
Public transit0.5%
Walked2.4%
Worked from home5.8%

Travel time

Mean commute 18.8 minutes

<10 min42.6%
10-1935.3%
20-293.4%
30-446.1%
45-593.2%
60+9.4%

Overview

Understanding ZIP code 40831

ZIP code 40831 is assigned to Harlan, KY, and falls within Harlan County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 4,719 people live inside it.

At 70 residents per square mile spread over 67.33 square miles, 40831 reads as a rural area. It is a smaller postal code by population, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Household earnings are well below the national median. At $35,417, 40831 ranks among the lower-income postal codes, ahead of 4% of them. The US median for comparison is $70,109. Bear in mind that median income describes the midpoint household, not the average — it is not pulled upward by a handful of very high earners the way a mean would be.

Living here

What life in Harlan looks like

Housing in 40831 costs below the national median. A typical home is valued at $106,500 against a US median of $207,500, and median gross rent runs $567 a month. The split between owning and renting is fairly even at 56.7% owner-occupied, which tends to indicate a mix of housing types rather than one dominant form.

The building stock is dominated by detached single-family houses, which account for 58.4% of housing units here. The median construction year is 1977, making the housing here from the later twentieth century.

The population skews broadly in line with the national age profile, with a median age of 42.1 against 42 nationally. The average household holds 2.27 people, and 61.5% are family households.

Getting to work takes 18.8 minutes on average one way. The dominant mode is drove alone at 70.7% of workers.

Where to stay

Where to stay in Harlan, KY

40831 covers a rural area, and accommodation within the postal code itself is likely to be sparse — perhaps a country inn, a lodge or a vacation rental rather than a conventional hotel. Widening the search radius is usually the practical approach, and it also opens up more availability at short notice.

Local costs are modest — median rent here is $567 a month — and accommodation prices in the area tend to be correspondingly reasonable. For reference, Atlanta, GA is about 216.5 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

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Practical uses

What ZIP code 40831 is used for

Beyond addressing mail, 40831 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 40831 offers a compact profile of Harlan: 4,719 residents, a median household income of $35,417, 19.4% of adults holding a bachelor's degree or higher, and an unemployment rate of 11.3%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 40831 may cover parts of several distinct areas, and a single neighbourhood in Harlan may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

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Questions

Common questions about 40831

What city is ZIP code 40831 in?
40831 serves Harlan, Kentucky, in Harlan County, United States.
What is the population of 40831?
About 4,719 people live in ZIP code 40831, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±558. That works out to roughly 70 people per square mile.
What is the average income in 40831?
The median household income in 40831 is $35,417 per year, compared with a US median of $70,109. Per capita income is $23,560. Median income is more representative than an average because it isn't skewed by a small number of very high earners.
How expensive is housing in 40831?
The median home value is $106,500 and median gross rent is $567 a month. 56.7% of occupied homes are owner-occupied.
Is 40831 a good place to live?
That depends on what you're looking for, but here are the facts: 19.4% of adults hold a bachelor's degree or higher, the unemployment rate is 11.3%, and the median age is 42.1. The average commute is 18.8 minutes. We publish the numbers and let you weigh them.
What time zone is 40831 in?
40831 observes Eastern Time (America/New_York). This zone observes daylight saving time.
How big is ZIP code 40831?
ZIP code 40831 covers 67.33 square miles of land plus 0.633 square miles of water, per the US Census Bureau's 2023 Gazetteer files.
Is 40831 urban, suburban or rural?
By population density, 40831 reads as a rural area. It holds 70 people per square mile across 67.33 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
How much is rent in 40831?
Median gross rent in 40831 is $567 a month, according to the American Community Survey. Gross rent includes contract rent plus the estimated cost of utilities and fuels, so it is closer to what a tenant actually pays than a headline rent figure. Of 2,083 occupied homes here, 901 are rented.
What is the commute like from 40831?
The average one-way commute from 40831 takes about 18.8 minutes. The most common way to travel is drove alone, used by 70.7% of workers aged 16 and over. Commute figures cover people who were employed and working outside the home during the survey period.
How many people work in 40831?
About 1,422 residents of 40831 are employed. Labor force participation stands at 41.6% and the unemployment rate is 11.3%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 40831?
Accommodation in and around Harlan, KY ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 40831 cover more than one city or county?
This page lists Harlan as the primary place and Harlan County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 40831 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 40831. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 40831, the Census approximation of the USPS delivery area.