Coldiron ZIP Codes — Harlan County, KY

There is one unique ZIP code in Coldiron, Kentucky and it is 40819. Area code: 606.

ZIP codes

16.42

sq mi land

0.15

sq mi water

606

area code

Coldiron, KY ZIP code map

About Coldiron, KY

Coldiron is a quaint community located in Harlan County, Kentucky. Known for its beautiful landscapes and small-town charm, this area offers residents a peaceful atmosphere amidst the Appalachian Mountains. The locale is characterized by a tight-knit community where neighbors often engage in local events and gatherings.

Location & geography

Coldiron is situated in the southeastern part of Kentucky, surrounded by stunning natural beauty. Nearby cities include Harlan, located approximately 11 miles to the southwest, and Lynch, roughly 8 miles to the west. The region features a land area of 16.42 square miles, complemented by a water area of 0.15 square miles, providing a varied terrain that includes both wooded areas and open spaces.

Community & economy

The community of Coldiron is known for its warm hospitality and a strong sense of belonging among its residents. Industries in the area are primarily focused on local services and small businesses, which cater to the needs of the community. Daily life here often revolves around family and community events, enhancing the friendly and welcoming atmosphere.

Transportation

Coldiron is accessible via several local roads, with Kentucky Route 38 being one of the main highways that runs through the area. The nearest airport is the Harlan County Airport, which serves as a convenient link for regional travel. Although public transit options may be limited, residents commonly rely on personal vehicles for transportation.

History

Coldiron was established as part of the broader development in Harlan County, which has a rich history tied to coal mining in the region. Throughout the years, the community has seen various industries rise and fall, with mining playing a significant role in shaping its early economy. Notable events in the area are often celebrated through local festivals, showcasing the cultural heritage of the residents.

Did you know?

One surprising fact about Coldiron is that it is home to some of the most breathtaking views of the Appalachian Mountains, making it a hidden gem for nature enthusiasts. Additionally, the community's name is derived from a nearby family of Coldiron settlers who were instrumental in the area's early development.

ZIP codes for Coldiron, KY (1)

ZIP code	City	County	Map
40819	Coldiron	Harlan	View map

Demographics & statistics

948

Population

53.0

Median age

$31,250

Median household income

$18,874

Per capita income

$87,700

Median home value

Median monthly rent

90.6%

Home ownership

25.5%

Poverty rate

3.2%

Unemployment

415

Housing units

4.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	254	26.8%
18 and over	694	73.2%
65 and over	222	23.4%
Median age	53.0 years

Race & ethnicity

White 93.6%

Hispanic or Latino 2.9%

Other race 2.9%

Two or more races 0.6%

Group	Count	%
White	914	93.6%
Hispanic or Latino	28	2.9%
Other race	28	2.9%
Two or more races	6	0.6%

Household income

Under $10k 4.1%

$10k–$15k 12.7%

$15k–$25k 13.5%

$25k–$35k 27.2%

$35k–$50k 2.3%

$50k–$75k 9.9%

$75k–$100k 27.4%

$100k–$150k 3.0%

Range	% of households
Under $10k	4.1%
$10k–$15k	12.7%
$15k–$25k	13.5%
$25k–$35k	27.2%
$35k–$50k	2.3%
$50k–$75k	9.9%
$75k–$100k	27.4%
$100k–$150k	3.0%
Median income	$31,250

Housing

Home values

Under $50k 17.1%

$50k–$100k 46.5%

$100k–$150k 24.6%

$150k–$200k 7.3%

$200k–$300k 4.5%

Housing overview

Metric	Value
Median home value	$87,700
Median rent / month	$0
Owner occupied	90.6%
Renter occupied	9.4%
Vacant	12.8%
Single-family detached	76.8%
Large apartment buildings	0.0%
Mobile homes	23.2%
Median rooms	5.3
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	14.2%
1990–1999	17.0%
1980–1989	17.5%
1970–1979	13.9%
1960–1969	6.2%
1950–1959	8.6%
1940–1949	16.8%
1939 or earlier	5.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.2%
2 bedrooms	25.4%
3 bedrooms	65.7%
4 bedrooms	2.7%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	18.0%
2 vehicles	28.4%
3 or more	50.0%

Heating fuel

Fuel type	%
Electricity	83.5%
Propane / LP gas	6.3%
Fuel oil	7.1%
Wood	3.0%

Households & families

Household type	Count	%
Married-couple family	265	67.3%
Cohabiting couple	30	7.6%
Male householder, no spouse	73	18.5%
Female householder, no spouse	26	6.6%
Households with children under 18	147	37.3%
Households with seniors (65+)	164	41.6%
Average household size	2.41

Marital status

Status	Male	Female
Never married	17.4%	18.5%
Married	65.0%	72.8%
Separated	4.6%	0.0%
Widowed	0.0%	8.6%
Divorced	13.0%	0.0%

Education

Less than 9th grade 4.3%

Some HS, no diploma 16.5%

HS graduate 38.6%

Some college, no degree 34.3%

Associate's degree 2.2%

Bachelor's degree 0.0%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	79.2%
Bachelor's or higher	4.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	8.1%
Kindergarten	0	0.0%
Elementary school	137	50.2%
High school	22	8.1%
College / grad school	92	33.7%

Employment

Industry of employment

Retail trade 38.1%

Education & healthcare 30.4%

Construction 21.5%

Arts, food & hospitality 4.1%

Agriculture & mining 3.0%

Public administration 3.0%

Occupation

Category	%
Management, business & arts	16.3%
Service	18.5%
Sales & office	30.7%
Natural resources & construction	14.1%
Production & transportation	20.4%

Employment type

Type	%
Private sector	93.0%
Government	7.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.0%
Carpool	10.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	19.8

Poverty

All people 25.5%

Under 18 years 37.0%

18 and over 21.3%

Married-couple families 12.8%

Female-led households 76.9%

Income support

Source	% of households
Social Security	64.2%
Retirement income	41.1%
Supplemental Security	1.3%
Cash public assistance	0.0%
Food stamps / SNAP	11.9%

Health indicators

Condition	%
High blood pressure	44.6%
High cholesterol	38.9%
Heart disease	8.5%
Stroke	4.1%
Asthma	12.2%
Arthritis	34.1%
Kidney disease	3.5%
Pulmonary disease	13.5%
Cancer	6.4%

Behavior / access	%
Binge drinking	15.1%
No physical activity	36.4%
Less than 7 hrs sleep	39.5%
Fair or poor health	25.6%
Poor mental health	20.4%
Poor physical health	17.3%
No health insurance	12.4%
Visited doctor (checkup)	75.6%
Visited dentist	47.3%
Cholesterol screening	88.1%
Teeth loss	25.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	9	1.3%

Disability	%
Any disability	24.2%
Under 18	0.0%
18–64 years	28.4%
65 and over	42.8%

Health insurance coverage

Type	%
Private insurance	45.9%
Public insurance	71.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	887	93.6%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	948	100.0%
Born in same state	948	100.0%
Born in different state	814	85.9%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	128	13.5%
Italian	70	7.4%

Ancestry	Count	%
French	37	3.9%

Technology access

Metric	% of households
Computer access	41.6%
Internet access	89.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Coldiron, KY have?

Coldiron, KY has one ZIP code: 40819. Each ZIP code serves a distinct delivery area within the city and surrounding region.