PlainZIP

Gravel Switch, KY · standard

ZIP Code 40328

Marion County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,065
8/sq mi
$44,770
Median income
$95,600
Median home value
2.6%
Bachelor's or higher

The verdict

Gravel Switch pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

9th pct
household income, US ZIPs
8th pct
home value, US ZIPs
8
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40328 against every reporting US ZIP.

ZIP code 40328 is a sparsely populated ZIP (a standard USPS delivery area) in Gravel Switch, Marion County, Kentucky, home to just 1,065 residents across 126.8 square miles, a density of 8 people per square mile, in the New York time zone.

ZIP 40328 reports a modest median household income of $44,770 (25% below the Kentucky average), while per-capita income is $23,081. Poverty here runs at 17.4%, with unemployment measured at 8.9%. On housing, the median home value is $95,600 (40% below the state average) with median rent at $684 per month, and 90.8% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 2.6% of adults hold a bachelor's degree or higher, the median age is 51.8, and the average commute is -. To put 40328 in local context, 3 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Marion County, for a geography-aware comparison.

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 →

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 40328, Gravel Switch, 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

1,065

Population

126.8

Area (sq mi)

8

People / sq mi

New York

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 40328?

51.8

Median Age

50.1%

Male

49.9%

Female

0.9%

Foreign-Born

White 93.7%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.2%
Hispanic or Latino 2.2%

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?

$44,770

Median Household Income

-25% vs state

$23,081

Per Capita Income

17.4%

Poverty Rate

8.9%

Unemployment Rate

How ZIP 40328 ranks nationally

Gravel Switch, KY household income vs. every US ZIP code

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

$44,770 9th percentile higher than 9% 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 63.8%
Bachelor's Degree or Higher 2.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

561

Total Housing Units

381

Occupied Units

180

Vacant Units

2.53

Avg Household Size

Occupancy Type

Owner 90.8%
Renter 9.2%

$95,600

Median Home Value

-40% vs state

$684

Median Rent

1984

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 40328, employing approximately 18 people with a combined annual payroll of $313,000.

8

Businesses

18

Employees

$313K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Retail trade 3 37.5%

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 40328 vs 40464 →

ZIP 40328 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 40328 ranks #3 by population - useful context the national average alone can't give.

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

ZIP 40328 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 40328 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
40464 Parksville, KY 1,114 5.6 mi
40468 Perryville, KY 1,807 5.4 mi
40009 Bradfordsville, KY 1,051 7.8 mi

More ZIP Codes in Marion County

40033 standard
Lebanon, KY
Pop: 12,355
40037 standard
Loretto, KY
Pop: 2,864
40060 standard
Raywick, KY
Pop: 1,184
40009 standard
Bradfordsville, KY
Pop: 1,051
40063 standard
Saint Mary, KY
Pop: 789
40062 standard
Saint Francis, KY
Pop: 301

Related Areas

Marion County Gravel Switch, KY Kentucky

Frequently Asked Questions

What county is ZIP code 40328 in? ▼
ZIP code 40328 (Gravel Switch) is located in Marion County, Kentucky. Marion County contains multiple ZIP codes, see the full list at /counties/marion-ky.
What is the population of ZIP code 40328? ▼
ZIP code 40328 in Gravel Switch, KY has a population of 1,065 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40328? ▼
The median household income in ZIP 40328 is $44,770, which is 41% below the national average of $76,288.
What is the average home value in ZIP 40328? ▼
The median home value in ZIP 40328 is $95,600, which is 66% below the national average of $278,155.
What is the demographic makeup of ZIP 40328? ▼
The largest racial group in ZIP 40328 is White at 93.7%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 40328? ▼
ZIP code 40328 has 8 business establishments employing approximately 18 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 40328? ▼
In ZIP code 40328, 63.8% of residents aged 25+ have a high school diploma or higher, and 2.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 40328? ▼
In ZIP code 40328, approximately 90.8% of occupied housing units are owner-occupied and 9.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40328? ▼
The poverty rate in ZIP code 40328 is 17.4% 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.