40829 ZIP Code
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ZIP code 40829 covers Grays Knob, Kentucky.
- Time zone
- Eastern UTC-05:00observes daylight saving time
- Businesses
- 5
Where 40829 is
Grays Knob, Kentucky — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.
Health
CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.
| Colorectal screening | 56.8% 7.5 pts below the national average of 64.3% |
|---|---|
| Visited a dentist | 44.8% 16.5 pts below the national average of 61.3% |
| Mammography use | 73% 2.9 pts below the national average of 75.9% |
| Sleeps under 7 hours | 44.5% 8.1 pts above the national average of 36.4% |
| All natural teeth lost | 28% 15 pts above the national average of 13% |
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 5 |
|---|---|
| People employed | 96 |
| Annual payroll | $5,829,000 |
Natural hazard risk
FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.
| Overall risk | Higher than 95.6% of US census tracts |
|---|---|
| FEMA rating | Relatively High |
| Expected annual loss | 89.1 out of 100 |
| Community resilience | 12.7 out of 100 |
By hazard
Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.
| River flooding | 99.3Very High at its worst in this ZIP code |
|---|---|
| Strong wind | 99Very High at its worst in this ZIP code |
| Landslide | 97.5Relatively Moderate at its worst in this ZIP code |
| Winter weather | 95.2Relatively High at its worst in this ZIP code |
| Wildfire | 90.2Relatively Moderate at its worst in this ZIP code |
| Cold wave | 89.5Relatively High at its worst in this ZIP code |
| Hail | 84.4Relatively Moderate at its worst in this ZIP code |
| Tornado | 72.3Relatively Moderate at its worst in this ZIP code |
| Earthquake | 72.2Relatively Low at its worst in this ZIP code |
| Avalanche | 68.7Very Low at its worst in this ZIP code |
| Hurricane | 52.6Relatively Low at its worst in this ZIP code |
| Ice storm | 52.6Relatively Low at its worst in this ZIP code |
| Heat wave | 50.2Relatively Low at its worst in this ZIP code |
| Lightning | 46Relatively Low at its worst in this ZIP code |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | BAXTER, KY US9 km away |
|---|---|
| Rain in a year | 52 in |
Average high and low by month
| January | 45.2°F / 25.9°F4.08 in rain |
|---|---|
| February | 49.1°F / 28.5°F4.28 in rain |
| March | 57.9°F / 34°F5.01 in rain |
| April | 68.4°F / 42.3°F4.85 in rain |
| May | 75.7°F / 52.4°F4.74 in rain |
| June | 82.3°F / 61°F4.73 in rain |
| July | 85°F / 65°F4.77 in rain |
| August | 84.5°F / 63.8°F4.46 in rain |
| September | 79.5°F / 57.3°F3.47 in rain |
| October | 69.7°F / 45.1°F3.18 in rain |
| November | 57.9°F / 34.1°F3.6 in rain |
| December | 48.6°F / 29.4°F5.04 in rain |
Access to food
USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.
| Low income and far from a supermarket | None of this ZIP code |
|---|---|
| Far from a supermarket | None of this ZIP code |
| No vehicle and far from a supermarket | 100% of this ZIP code's area |
School districts
NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.
| Harlan County School District | 100% of this ZIP code's land area |
|---|
Community and walkability
CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.
| Overall social vulnerability | 93more vulnerable than 93% of US census tracts |
|---|---|
| Socioeconomic status | 92more vulnerable than 92% of US census tracts |
| Household characteristics | 89more vulnerable than 89% of US census tracts |
| Racial and ethnic minority status | 8more vulnerable than 8% of US census tracts |
| Housing type and transport | 97more vulnerable than 97% of US census tracts |
| Walkability | 5.8 out of 20Below average |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 40815 Cawood, KY | 3 km away |
|---|---|
| 40818 Coalgood, KY | 3.1 km away |
| 40828 Evarts, KY | 6 km away |
| 40964 Mary Alice, KY | 6 km away |
| 40830 Gulston, KY | 6.5 km away |
| 24218 Ben Hur, VA | 7 km away |
| 40801 Ages Brookside, KY | 7.8 km away |
| 40820 Cranks, KY | 8.5 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Harlan County | 100% of this ZIP code's land area |
|---|---|
| Time zone | Eastern (UTC-05:00 standard) |
| Daylight saving time | Observed |
| Land area | 5.25 sq mi |
| Water area | 0.06 sq mi |
| Latitude, longitude | 36.7974, -83.2645 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.