Grays Knob, KY · standard
ZIP Code 40829
Harlan County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 172
- 16/sq mi Moderate-density area
- $56,154
- Median income Below-median income area
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Grays Knob pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.
- 23rd pct
- household income, US ZIPs
- 16
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40829 against every reporting US ZIP.
ZIP code 40829 is a sparsely populated ZIP (a standard USPS delivery area) in Grays Knob, Harlan County, Kentucky, home to just 172 residents across 10.6 square miles, a density of 16 people per square mile, in the New York time zone.
ZIP 40829 reports a modest median household income of $56,154 (6% below the average Kentucky ZIP), while per-capita income is $29,990. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. 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 0.0% of adults hold a bachelor's degree or higher, the median age is 59.8, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Harlan County, so 40829 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 40829, Grays Knob, 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
172
Population
10.6
Area (sq mi)
16
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 40829?
59.8
Median Age
79.0%
Male
21.0%
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?
$56,154
Median Household Income
-6% vs state ZIP avg
$29,990
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 40829 ranks among Kentucky ZIPs
Grays Knob, 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)
$56,154 47th percentile higher than 47% 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
40housing units
40
Total Housing Units
40
Occupied Units
0
Vacant Units
1.55
Avg Household Size
Occupancy Type
2002
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 5 business establishments in ZIP 40829, employing approximately 125 people with a combined annual payroll of $6,600,000.
5
Businesses
125
Employees
$6.6M
Annual Payroll
0
Industry Sectors
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 40829 vs 40964 →
ZIP 40829 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
- 40806
Baxter (40806)
2,499 residents
- 40873
Wallins Creek (40873)
2,390 residents
- 40815 1,534
Cawood (40815)
1,534 residents
- 40854 1,213
Loyall (40854)
1,213 residents
- 40824 559
Dayhoit (40824)
559 residents
- 40801 531
Ages Brookside (40801)
531 residents
- 40830 301
Gulston (40830)
301 residents
- 40829 172
Grays Knob (40829)
172 residents
What this shows Among its immediate neighbors, ZIP 40829 ranks #9 by population - useful context the national average alone can't give.
ZIP 40829 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40815
Cawood (40815)
$68,155 median income
- 40806
Baxter (40806)
$59,837 median income
- 40829
Grays Knob (40829)
$56,154 median income
- 40854
Loyall (40854)
$55,250 median income
- 40824
Dayhoit (40824)
$49,667 median income
- 40831
Harlan (40831)
$35,404 median income
- 40873
Wallins Creek (40873)
$33,359 median income
- 40830 $21,815
Gulston (40830)
$21,815 median income
What this shows By household income, ZIP 40829 ranks #3 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 40964 | Mary Alice, KY | 151 | 1.8 mi |
| 40830 | Gulston, KY | 301 | 3.0 mi |
| 40818 | Coalgood, KY | 110 | 3.6 mi |
| 40831 | Harlan, KY | 5,150 | 3.7 mi |
| 40824 | Dayhoit, KY | 559 | 4.3 mi |
| 40815 | Cawood, KY | 1,534 | 4.9 mi |
| 40854 | Loyall, KY | 1,213 | 4.4 mi |
| 40806 | Baxter, KY | 2,499 | 6.2 mi |
| 40801 | Ages Brookside, KY | 531 | 5.3 mi |
| 40873 | Wallins Creek, KY | 2,390 | 6.1 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 40829, 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 40829 in?
ZIP code 40829 (Grays Knob) 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 40829?
ZIP code 40829 in Grays Knob, KY has a population of 172 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40829?
The median household income in ZIP 40829 is $56,154, which is 26% below the national average of $76,288.
What is the demographic makeup of ZIP 40829?
The largest racial group in ZIP 40829 is White at 100.0%.
How many businesses are in ZIP code 40829?
ZIP code 40829 has 5 business establishments employing approximately 125 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What percentage of residents own vs. rent in ZIP 40829?
In ZIP code 40829, approximately 67.5% of occupied housing units are owner-occupied and 32.5% are renter-occupied, based on Census ACS 2023 data.
Related
Take this with you
What to do with ZIP 40829's numbers, next.
- See how ZIP 40829 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Grays Knob, 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.