ZIP Code 42066
standardSource:
Mayfield · Graves County · Kentucky
- Population
- 23,182
- Median income
- $48,664
- Median home value
- $145,600
- Bachelor's or higher
- 19.9%
- Land area
- 561.3 sq mi
41/sq mi
▼ 36% vs US
higher than 13% of US ZIPs
▼ 48% vs US
higher than 24% of US ZIPs
Median age 39.8
Chicago
ZIP code 42066 in Mayfield, Kentucky has a population of 23,182. The median household income is $48,664, which is 36% below the national average. Median home value is $145,600, 48% below the US average. 19.9% of residents hold a bachelor's degree or higher.
ZIP code 42066 is classified by USPS as a standard delivery area and covers roughly 561.3 square miles in Mayfield, Graves County, Kentucky. The area is home to 23,182 residents, producing a population density of 41 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 42066 against Kentucky and the nation.
On the economic side, the median household income for ZIP 42066 sits at $48,664 (18% below the Kentucky average), while per-capita income is $32,294. The poverty rate stands at 21.1% and the unemployment rate at 2.9%. On housing, the median home value is $145,600 (8% below the state average) with median rent at $774 per month, and 72.2% of occupied units are owner-occupied, a direct signal of whether 42066 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 19.9% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is 19 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Graves County, so you can benchmark 42066 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 42066
Top 5 sectors by establishment count
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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$32,294
Per Capita Income
21.1%
Poverty Rate
2.9%
Unemployment Rate
19.0 min
Mean Commute Time
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?
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
$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 →
More ZIP Codes in Graves County
Related Areas
Frequently Asked Questions
What county is ZIP code 42066 in? ▼
What is the population of ZIP code 42066? ▼
What is the median household income in ZIP 42066? ▼
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What is the demographic makeup of ZIP 42066? ▼
How many businesses are in ZIP code 42066? ▼
What are the main industries in ZIP code 42066? ▼
How have home values changed in ZIP code 42066? ▼
What is the education level in ZIP code 42066? ▼
What is the average commute time in ZIP 42066? ▼
What percentage of residents own vs. rent in ZIP 42066? ▼
What is the poverty rate in ZIP code 42066? ▼
ZIP Code Research Guides
Official Data Resources for Mayfield, KY
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.