Mount Vernon, KY · standard
ZIP Code 40456
Rockcastle County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 9,300
- 21/sq mi Moderate-density area
- $46,907
- Median income Below-median income area
- $156,300
- Median home value Below-median home value
- 16.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Mount Vernon pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 11th pct
- household income, US ZIPs
- 28th pct
- home value, US ZIPs
- 21
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40456 against every reporting US ZIP.
ZIP code 40456 is a mid-sized community (a standard USPS delivery area) in Mount Vernon, Rockcastle County, Kentucky, home to 9,300 residents across 447.1 square miles, a density of 21 people per square mile, in the New York time zone.
ZIP 40456 reports a modest median household income of $46,907 (21% below the average Kentucky ZIP), while per-capita income is $29,068. The poverty rate is 22.6%, so the area-level income figures should not be treated as typical household experience. Median home value is $156,300 (2% below the average Kentucky ZIP) and median rent is $648; 72.3% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 16.7% of adults hold a bachelor's degree or higher, the median age is 48, and the average commute is 24 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 3 more in Rockcastle County, so 40456 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 40456
Top 5 sectors by establishment count in Mount Vernon, KY
Which industries have the most business establishments in ZIP 40456.
- Retail trade
Retail trade
36 establishments
- Health care and social assistance
Health care and social assistance
23 establishments
- Accommodation and food services
Accommodation and food services
20 establishments
- Other services (except public administration) 13
Other services (except public administration)
13 establishments
- Professional, scientific, and technical services 12
Professional, scientific, and technical services
12 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 40456, Mount Vernon, 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
9,300
Population
447.1
Area (sq mi)
21
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 40456?
48.0
Median Age
49.9%
Male
50.1%
Female
0.5%
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?
$46,907
Median Household Income
-21% vs state ZIP avg
$29,068
Per Capita Income
22.6%
Poverty Rate
4.2%
Unemployment Rate
24.1 min
Mean Commute Time
How ZIP 40456 ranks among Kentucky ZIPs
Mount Vernon, 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)
$46,907 28th percentile higher than 28% 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
4,054housing units
4,054
Total Housing Units
3,645
Occupied Units
409
Vacant Units
2.23
Avg Household Size
Occupancy Type
$156,300
Median Home Value
-2% vs state ZIP avg
$648
Median Rent
1990
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 166 business establishments in ZIP 40456, employing approximately 2,775 people with a combined annual payroll of $112,388,000.
166
Businesses
2,775
Employees
$112.4M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 36 | 21.7% |
| Health care and social assistance | 23 | 13.9% |
| Accommodation and food services | 20 | 12.1% |
| Other services (except public administration) | 13 | 7.8% |
| Professional, scientific, and technical services | 12 | 7.2% |
| Finance and insurance | 10 | 6.0% |
| Construction | 9 | 5.4% |
| Manufacturing | 9 | 5.4% |
| Wholesale trade | 7 | 4.2% |
| Information | 5 | 3.0% |
| Real estate and rental and leasing | 5 | 3.0% |
| Administrative and support and waste management and remediation services | 5 | 3.0% |
| Arts, entertainment, and recreation | 5 | 3.0% |
| Transportation and warehousing | 4 | 2.4% |
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 40456 vs 40460 →
ZIP 40456 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40456
Mount Vernon (40456)
9,300 residents
- 40409
Brodhead (40409)
3,843 residents
- 40460 1,129
Orlando (40460)
1,129 residents
- 40445 997
Livingston (40445)
997 residents
What this shows Among its immediate neighbors, ZIP 40456 ranks the most populous - useful context the national average alone can't give.
ZIP 40456 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40409
Brodhead (40409)
$52,619 median income
- 40456
Mount Vernon (40456)
$46,907 median income
- 40445
Livingston (40445)
$39,449 median income
- 40460
Orlando (40460)
$35,417 median income
What this shows By household income, ZIP 40456 ranks #2 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 40456, 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 (9,300 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Rockcastle County
Related Areas
Frequently Asked Questions
What county is ZIP code 40456 in?
ZIP code 40456 (Mount Vernon) is located in Rockcastle County, Kentucky. Rockcastle County contains multiple ZIP codes, see the full list at /counties/rockcastle-ky.
What is the population of ZIP code 40456?
ZIP code 40456 in Mount Vernon, KY has a population of 9,300 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40456?
The median household income in ZIP 40456 is $46,907, which is 39% below the national average of $76,288.
What is the average home value in ZIP 40456?
The median home value in ZIP 40456 is $156,300, which is 44% below the national average of $278,155.
What is the demographic makeup of ZIP 40456?
The largest racial group in ZIP 40456 is White at 95.4%. Hispanic or Latino residents make up 1.8% of the population.
How many businesses are in ZIP code 40456?
ZIP code 40456 has 166 business establishments employing approximately 2,775 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 40456?
The top industries by establishment count in ZIP 40456 are: Retail trade (36), Health care and social assistance (23), Accommodation and food services (20). There are 14 industry sectors represented in total.
What is the education level in ZIP code 40456?
In ZIP code 40456, 58.4% of residents aged 25+ have a high school diploma or higher, and 16.7% 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 40456?
The mean commute time for workers in ZIP code 40456 is 24.1 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 40456?
In ZIP code 40456, approximately 72.3% of occupied housing units are owner-occupied and 27.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40456?
The poverty rate in ZIP code 40456 is 22.6% 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 40456's numbers, next.
- See how ZIP 40456 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mount Vernon, 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.