42066 ZIP Code
English Español
ZIP code 42066 covers Mayfield, Kentucky, with a population of about 23,635 and a median household income of $48,118.
- Population
- 23,635109 per square mile
- Median age
- 38.9about the US average
- Median household income
- $48,11823% below the Kentucky median
- Poverty rate
- 22.1%9.7 points above the US average
- Typical home value
- $163,213up 38.1% in five years
- Median rent
- $69526% below the Kentucky median
- Degree or higher
- 18.2%16.8 points below the US average
- Homeownership
- 72.6%7.6 points above the US average
- Time zone
- Central UTC-06:00observes daylight saving time
- Businesses
- 537
Where 42066 is
Mayfield, 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.
People and households
American Community Survey 2019–2023 five-year estimates
| Population | 23,635 |
|---|---|
| Median age | 38.9 |
| Family households | 63.8% |
| Born outside the US | 3.7% |
| Speaks a language other than English at home | 7.7% |
| White (non-Hispanic) | 80% |
| Black (non-Hispanic) | 5.8% |
| Asian (non-Hispanic) | 0.3% |
| Hispanic or Latino | 10.6% |
| Veterans | 7.5% |
Income and poverty
American Community Survey 2019–2023 five-year estimates
| Median household income | $48,118 |
|---|---|
| Income per person | $30,260 |
| Poverty rate | 22.1% |
| Households on SNAP or cash assistance | 16.2% |
Household income distribution
| Under $10k | |
|---|---|
| $10–15k | |
| $15–20k | |
| $20–25k | |
| $25–30k | |
| $30–35k | |
| $35–40k | |
| $40–45k | |
| $45–50k | |
| $50–60k | |
| $60–75k | |
| $75–100k | |
| $100–125k | |
| $125–150k | |
| $150–200k | |
| $200k or more |
Income as declared to the IRS
Filed returns rather than survey responses, so this counts tax units and not households.
| Tax returns filed | 9,170 |
|---|---|
| Mean adjusted gross income | $61,229 |
| Returns declaring $200,000 or more | 2.8% |
| Returns, under $25k | 33.6% |
| Returns, $25k–$50k | 27.6% |
| Returns, $50k–$75k | 14.4% |
| Returns, $75k–$100k | 8.7% |
| Returns, $100k–$200k | 12.9% |
| Returns, $200k or more | 2.8% |
Housing
American Community Survey 2019–2023 five-year estimates
| Median home value | $135,100 |
|---|---|
| Median gross rent | $695 |
| Rent as a share of household income | 30.3% |
| Owner-occupied | 72.6% |
| Vacant homes | 13.4% |
| Median year built | 1976 |
What the homes are
| Detached house | |
|---|---|
| Attached house | |
| 2 to 4 units | |
| 5 to 19 units | |
| 20 or more units | |
| Mobile home | |
| Boat, RV or van |
Home values and rents today
Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.
| Typical home value | $163,213as of 2026-07 |
|---|---|
| Typical home value, 1 year | down 1.5% |
| Typical home value, 5 years | up 38.1% |
| Typical home value, 10 years | up 118.4% |
$64,263 in 2003 to $163,213 in 2026.
Work, commuting and education
American Community Survey 2019–2023 five-year estimates
| Unemployment rate | 3.3% |
|---|---|
| Bachelor's degree or higher | 18.2% |
| High school diploma or higher | 88.7% |
| Works from home | 8.1% |
| Drives to work alone | 79.3% |
| Takes public transport | 0.1% |
| Commutes 45 minutes or more | 7.5% |
Health
CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.
| Colorectal screening | 64.3% same as the national average of 64.3% |
|---|---|
| Visited a dentist | 54% 7.3 pts below the national average of 61.3% |
| Mammography use | 71.3% 4.6 pts below the national average of 75.9% |
| Sleeps under 7 hours | 38.5% 2.1 pts above the national average of 36.4% |
| All natural teeth lost | 22.1% 9.1 pts above the national average of 13% |
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 537 |
|---|---|
| People employed | 6,878 |
| Annual payroll | $298,752,000 |
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 91% of US census tracts |
|---|---|
| FEMA rating | Relatively Low to Very High across the 12 census tracts this ZIP code covers |
| Expected annual loss | 88.5 out of 100 |
| Community resilience | 29.6 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.
| Ice storm | 97.7Very High at its worst in this ZIP code |
|---|---|
| Strong wind | 96.8Very High at its worst in this ZIP code |
| Earthquake | 96.4Very High at its worst in this ZIP code |
| Drought | 96Relatively High at its worst in this ZIP code |
| Winter weather | 93.1Very High at its worst in this ZIP code |
| Lightning | 90.2Very High at its worst in this ZIP code |
| Cold wave | 87.3Relatively High at its worst in this ZIP code |
| Landslide | 84.9Relatively Low at its worst in this ZIP code |
| Heat wave | 78.3Relatively High at its worst in this ZIP code |
| Tornado | 77.5Relatively High at its worst in this ZIP code |
| Hail | 77Relatively Moderate at its worst in this ZIP code |
| Wildfire | 68.1Relatively Low at its worst in this ZIP code |
| River flooding | 59.7Relatively High at its worst in this ZIP code |
| Hurricane | 48.4Relatively Low at its worst in this ZIP code |
Compared with Kentucky and the United States
State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates
| This ZIP | Kentucky | United States | |
|---|---|---|---|
| Median household income | $48,118 | $62,417 | $78,538 |
| Income per person | $30,260 | $34,960 | $43,289 |
| Poverty rate | 22.1% | 16.1% | 12.4% |
| Median home value | $135,100 | $192,300 | $303,400 |
| Median gross rent | $695 | $933 | $1,348 |
| Homeownership | 72.6% | 68.3% | 65% |
| Bachelor's degree or higher | 18.2% | 27% | 35% |
| Unemployment rate | 3.3% | 4.8% | 5.2% |
| Works from home | 8.1% | 9.1% | 13.5% |
| Born outside the US | 3.7% | 4.4% | 13.9% |
| Median age | 38.9 | 39.1 | 38.7 |
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 | BENTON, KY US31.3 km away |
|---|
Average high and low by month
| January | 45.5°F / 23.3°F |
|---|---|
| February | 50°F / 25.5°F |
| March | 60.7°F / 33.9°F |
| April | 70.8°F / 44.1°F |
| May | 78.7°F / 52.6°F |
| June | 86.1°F / 62.3°F |
| July | 89.6°F / 64.7°F |
| August | 89.7°F / 63°F |
| September | 83.9°F / 55°F |
| October | 72.6°F / 43°F |
| November | 59.9°F / 33.7°F |
| December | 49.7°F / 26.4°F |
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 | 15% of this ZIP code's area |
|---|---|
| Far from a supermarket | 15% of this ZIP code's area |
| No vehicle and far from a supermarket | 6% 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%.
This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.
| Graves County School District | 95.7% of this ZIP code's land area |
|---|---|
| Mayfield Independent School District | 2.5% of this ZIP code's land area |
| Marshall County School District | 1.7% 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 | 43more vulnerable than 43% of US census tracts |
|---|---|
| Socioeconomic status | 42more vulnerable than 42% of US census tracts |
| Household characteristics | 43more vulnerable than 43% of US census tracts |
| Racial and ethnic minority status | 17more vulnerable than 17% of US census tracts |
| Housing type and transport | 59more vulnerable than 59% of US census tracts |
| Walkability | 4.2 out of 20Least walkable |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 42051 Hickory, KY | 13 km away |
|---|---|
| 42039 Fancy Farm, KY | 13.5 km away |
| 42088 Wingo, KY | 14.3 km away |
| 42079 Sedalia, KY | 18.6 km away |
| 42040 Farmington, KY | 18.9 km away |
| 42061 Lowes, KY | 20.2 km away |
| 42063 Lynnville, KY | 20.5 km away |
| 42054 Kirksey, KY | 21.3 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.
| Graves County | 98.1% of this ZIP code's land area |
|---|---|
| Marshall County | 1.7% of this ZIP code's land area |
| Calloway County | 0.2% of this ZIP code's land area |
| Time zone | Central (UTC-06:00 standard) |
| Daylight saving time | Observed |
| Land area | 217.3 sq mi |
| Water area | 2.4 sq mi |
| Population density | 109 people per sq mi |
| Latitude, longitude | 36.7327, -88.6506 |
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.