PlainZIP

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
$48,664
Median income
$145,600
Median home value
19.9%
Bachelor's or higher

The verdict

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.

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 Kentucky average), while per-capita income is $32,294. The poverty rate stands at 21.1% and the unemployment rate at 2.9%. Housing costs here run $145,600 for a typical home value (8% below the state average), with rent averaging $774 a month; 72.2% of 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. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Graves County, letting you compare 42066 to its immediate surroundings rather than a national baseline alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 42066?

39.8

Median Age

50.1%

Male

49.9%

Female

3.3%

Foreign-Born

White 83.1%
African American 5.8%
Asian 0.3%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.5%
Hispanic or Latino 10.5%

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

How ZIP 42066 ranks nationally

Mayfield, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$48,664 13th percentile higher than 13% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 60.5%
Bachelor's Degree or Higher 19.9%

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

Owner 72.2%
Renter 27.8%

$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 →

ZIP 42066 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 42066 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 42066 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
42051 Hickory, KY 2,840 8.5 mi
42088 Wingo, KY 2,656 10.0 mi
42040 Farmington, KY 1,082 10.8 mi
42061 Lowes, KY 55 12.6 mi

More ZIP Codes in Graves County

42051 standard
Hickory, KY
Pop: 2,840
42088 standard
Wingo, KY
Pop: 2,656
42027 standard
Boaz, KY
Pop: 2,291
42082 standard
Symsonia, KY
Pop: 1,845
42039 standard
Fancy Farm, KY
Pop: 1,751
42079 standard
Sedalia, KY
Pop: 1,426

Related Areas

Graves County Mayfield, KY Kentucky

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.

Read our methodology to see how this data is sourced, computed, and verified.