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
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
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.