PlainZIP

Coldiron, KY · standard

ZIP Code 40819

Harlan County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

729
20/sq mi
$31,799
Median income
7.6%
Bachelor's or higher

The verdict

Coldiron pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.

2th pct
household income, US ZIPs
20
people per sq mi
80%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40819 against every reporting US ZIP.

ZIP code 40819 is a sparsely populated ZIP (a standard USPS delivery area) in Coldiron, Harlan County, Kentucky, home to just 729 residents across 36.3 square miles, a density of 20 people per square mile, in the New York time zone.

ZIP 40819 sits on the lower end of the income spectrum: median household income is $31,799 (47% below the Kentucky average), while per-capita income is $21,017. Poverty here runs at 14.4%, with unemployment measured at 6.3%. Median home value sits at -, median rent at - a month, and owner-occupancy at 79.8%.

Formal educational attainment runs low here: just 7.6% of adults hold a bachelor's degree or higher, the median age is 66.1, and the average commute is -. To put 40819 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Harlan County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 40819, Coldiron, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

729

Population

36.3

Area (sq mi)

20

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 40819?

66.1

Median Age

53.6%

Male

46.4%

Female

0.0%

Foreign-Born

White 93.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.4%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$31,799

Median Household Income

-47% vs state

$21,017

Per Capita Income

14.4%

Poverty Rate

6.3%

Unemployment Rate

How ZIP 40819 ranks nationally

Coldiron, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$31,799 2nd percentile higher than 2% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.0%
Bachelor's Degree or Higher 7.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

524

Total Housing Units

377

Occupied Units

147

Vacant Units

2.14

Avg Household Size

Occupancy Type

Owner 79.8%
Renter 20.2%

1983

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 40819, employing approximately 37 people with a combined annual payroll of $968,000.

8

Businesses

37

Employees

$968K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Retail trade 4 50.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 40819 vs 40845 →

ZIP 40819 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 40819 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 40819 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 40819 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
40845 Hulen, KY 635 3.1 mi
40873 Wallins Creek, KY 2,390 3.1 mi
40863 Pathfork, KY 502 4.5 mi
40824 Dayhoit, KY 559 5.2 mi
40988 Stoney Fork, KY 555 5.0 mi
40840 Helton, KY 312 6.7 mi
40958 Kettle Island, KY 451 7.5 mi
40854 Loyall, KY 1,213 6.7 mi
40856 Miracle, KY 756 7.0 mi
40831 Harlan, KY 5,150 7.0 mi

More ZIP Codes in Harlan County

40831 standard
Harlan, KY
Pop: 5,150
40823 standard
Cumberland, KY
Pop: 4,231
40828 standard
Evarts, KY
Pop: 3,965
40806 standard
Baxter, KY
Pop: 2,499
40873 standard
Wallins Creek, KY
Pop: 2,390
40810 standard
Bledsoe, KY
Pop: 1,548

Related Areas

Harlan County Coldiron, KY Kentucky

Frequently Asked Questions

What county is ZIP code 40819 in? ▼
ZIP code 40819 (Coldiron) is located in Harlan County, Kentucky. Harlan County contains multiple ZIP codes, see the full list at /counties/harlan-ky.
What is the population of ZIP code 40819? ▼
ZIP code 40819 in Coldiron, KY has a population of 729 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40819? ▼
The median household income in ZIP 40819 is $31,799, which is 58% below the national average of $76,288.
What is the demographic makeup of ZIP 40819? ▼
The largest racial group in ZIP 40819 is White at 93.4%.
How many businesses are in ZIP code 40819? ▼
ZIP code 40819 has 8 business establishments employing approximately 37 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 40819? ▼
In ZIP code 40819, 53.0% of residents aged 25+ have a high school diploma or higher, and 7.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 40819? ▼
In ZIP code 40819, approximately 79.8% of occupied housing units are owner-occupied and 20.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40819? ▼
The poverty rate in ZIP code 40819 is 14.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.