Mayfield, KY · standard
ZIP Code 42066
Graves County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 23,182
- 41/sq mi Moderate-density area
- $48,664
- Median income Below-median income area
- $145,600
- Median home value Below-median home value
- 19.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Mayfield pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 13th pct
- household income, US ZIPs
- 24th pct
- home value, US ZIPs
- 41
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 42066 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 42066 (Mayfield, KY) rose +2.8% from 2023 to 2024. The all-transactions index moved from 203.5 in 2023 to 209.2 in 2024 (2000 = 100).
ZIP code 42066 is a densely settled ZIP (a standard USPS delivery area) in Mayfield, Graves County, Kentucky, with 23,182 residents across 561.3 square miles, a density of 41 people per square mile, in the Chicago time zone.
ZIP 42066 reports a modest median household income of $48,664 (18% below the average Kentucky ZIP), while per-capita income is $32,294. The poverty rate is 21.1%, so the area-level income figures should not be treated as typical household experience. Median home value is $145,600 (8% below the average Kentucky ZIP) and median rent is $774; 72.2% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 19.9% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is 19 minutes. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Graves County, so 42066 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 →
Top industries in ZIP 42066
Top 5 sectors by establishment count in Mayfield, KY
Which industries have the most business establishments in ZIP 42066.
- Retail trade
Retail trade
104 establishments
- Health care and social assistance
Health care and social assistance
70 establishments
- Other services (except public administration)
Other services (except public administration)
52 establishments
- Construction
Construction
45 establishments
- Finance and insurance
Finance and insurance
43 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 42066, Mayfield, 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
23,182
Population
561.3
Area (sq mi)
41
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 42066?
39.8
Median Age
50.1%
Male
49.9%
Female
3.3%
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?
$48,664
Median Household Income
-18% vs state ZIP avg
$32,294
Per Capita Income
21.1%
Poverty Rate
2.9%
Unemployment Rate
19.0 min
Mean Commute Time
How ZIP 42066 ranks among Kentucky ZIPs
Mayfield, 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)
$48,664 32nd percentile higher than 32% 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
11,029housing units
11,029
Total Housing Units
9,517
Occupied Units
1,512
Vacant Units
2.47
Avg Household Size
Occupancy Type
$145,600
Median Home Value
-8% vs state ZIP avg
$774
Median Rent
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+2.8%
YoY Change (2024)
209
HPI Index (2000 = 100)
+109%
Total Change Since 2000
Home values in ZIP 42066 have increased 2.8% over the past year (2024). Since 2000, this ZIP has seen +109% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.0% | 152 |
| 2021 | +3.9% | 158 |
| 2022 | +19.3% | 189 |
| 2023 | +7.8% | 204 |
| 2024 | +2.8% | 209 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 525 business establishments in ZIP 42066, employing approximately 7,123 people with a combined annual payroll of $325,426,000.
525
Businesses
7,123
Employees
$325.4M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 104 | 19.8% |
| Health care and social assistance | 70 | 13.3% |
| Other services (except public administration) | 52 | 9.9% |
| Construction | 45 | 8.6% |
| Finance and insurance | 43 | 8.2% |
| Accommodation and food services | 43 | 8.2% |
| Professional, scientific, and technical services | 35 | 6.7% |
| Wholesale trade | 31 | 5.9% |
| Manufacturing | 29 | 5.5% |
| Administrative and support and waste management and remediation services | 19 | 3.6% |
| Real estate and rental and leasing | 14 | 2.7% |
| Transportation and warehousing | 13 | 2.5% |
| Information | 10 | 1.9% |
| Arts, entertainment, and recreation | 6 | 1.1% |
| Utilities | 3 | 0.6% |
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 42066 vs 42051 →
ZIP 42066 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 42066
Mayfield (42066)
23,182 residents
- 42051 2,840
Hickory (42051)
2,840 residents
- 42088 2,656
Wingo (42088)
2,656 residents
- 42040 1,082
Farmington (42040)
1,082 residents
- 42061 55
Lowes (42061)
55 residents
What this shows Among its immediate neighbors, ZIP 42066 ranks the most populous - useful context the national average alone can't give.
ZIP 42066 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 42051
Hickory (42051)
$76,000 median income
- 42088
Wingo (42088)
$52,745 median income
- 42040
Farmington (42040)
$51,141 median income
- 42066
Mayfield (42066)
$48,664 median income
What this shows By household income, ZIP 42066 ranks #4 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 42066, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (23,182 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Graves County
Related Areas
Frequently Asked Questions
What county is ZIP code 42066 in?
ZIP code 42066 (Mayfield) is located in Graves County, Kentucky. Graves County contains multiple ZIP codes, see the full list at /counties/graves-ky.
What is the population of ZIP code 42066?
ZIP code 42066 in Mayfield, KY has a population of 23,182 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 42066?
The median household income in ZIP 42066 is $48,664, which is 36% below the national average of $76,288.
What is the average home value in ZIP 42066?
The median home value in ZIP 42066 is $145,600, which is 48% below the national average of $278,155.
What is the demographic makeup of ZIP 42066?
The largest racial group in ZIP 42066 is White at 83.1%. Hispanic or Latino residents make up 10.5% of the population.
How many businesses are in ZIP code 42066?
ZIP code 42066 has 525 business establishments employing approximately 7,123 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 42066?
The top industries by establishment count in ZIP 42066 are: Retail trade (104), Health care and social assistance (70), Other services (except public administration) (52). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 42066?
According to the FHFA House Price Index, home values in ZIP 42066 increased by 2.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 109%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 42066?
In ZIP code 42066, 60.5% of residents aged 25+ have a high school diploma or higher, and 19.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 42066?
The mean commute time for workers in ZIP code 42066 is 19.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 42066?
In ZIP code 42066, approximately 72.2% of occupied housing units are owner-occupied and 27.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 42066?
The poverty rate in ZIP code 42066 is 21.1% 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 42066's numbers, next.
- See how ZIP 42066 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mayfield, 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.