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 Moderate-density area
- $31,799
- Median income Below-median income area
- 7.6%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Coldiron pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.
- 2nd 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 average Kentucky ZIP), while per-capita income is $21,017. The poverty rate is 14.4%, with unemployment at 6.3%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Harlan County, so 40819 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 40819?
66.1
Median Age
53.6%
Male
46.4%
Female
0.0%
Foreign-Born
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 ZIP avg
$21,017
Per Capita Income
14.4%
Poverty Rate
6.3%
Unemployment Rate
How ZIP 40819 ranks among Kentucky ZIPs
Coldiron, KY household income vs. every Kentucky ZIP code
Median household income among 646 reporting Kentucky ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$31,799 8th percentile higher than 8% of 646 Kentucky ZIPs
Each bar is a $20K-wide band; taller bars hold more Kentucky 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
524housing units
524
Total Housing Units
377
Occupied Units
147
Vacant Units
2.14
Avg Household Size
Occupancy Type
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.
- 40831
Harlan (40831)
5,150 residents
- 40873
Wallins Creek (40873)
2,390 residents
- 40854 1,213
Loyall (40854)
1,213 residents
- 40856 756
Miracle (40856)
756 residents
- 40819 729
Coldiron (40819)
729 residents
- 40845 635
Hulen (40845)
635 residents
- 40824 559
Dayhoit (40824)
559 residents
- 40988 555
Stoney Fork (40988)
555 residents
- 40863 502
Pathfork (40863)
502 residents
What this shows Among its immediate neighbors, ZIP 40819 ranks #5 by population - useful context the national average alone can't give.
ZIP 40819 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40854
Loyall (40854)
$55,250 median income
- 40824
Dayhoit (40824)
$49,667 median income
- 40863
Pathfork (40863)
$49,578 median income
- 40958
Kettle Island (40958)
$48,721 median income
- 40856
Miracle (40856)
$47,880 median income
- 40988
Stoney Fork (40988)
$38,125 median income
- 40831
Harlan (40831)
$35,404 median income
- 40873
Wallins Creek (40873)
$33,359 median income
- 40819
Coldiron (40819)
$31,799 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 40819, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Harlan County
Related Areas
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.
Related
Take this with you
What to do with ZIP 40819's numbers, next.
- See how ZIP 40819 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Coldiron, KY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.