Marshall County, KY ZIP Codes
Kentucky (KY) · 4 ZIP codes · 4 cities
4
ZIP codes
31,748
population (2021)
+1.0%
pop change since 2010
21157
FIPS code
Marshall County ZIP code map
About Marshall County
Marshall County is located in Kentucky and contains 4 ZIP codes across 4 cities and communities.
The county's population was 31,748 as of 2021,
an increase of
1% from 31,448 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Marshall County is 21157.
| Population | |
|---|---|
| 2021 population | 31,748 |
| 2010 population | 31,448 |
| Change | +1.0% |
| County details | |
|---|---|
| State | Kentucky |
| FIPS code | 21157 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Marshall County
ZIP codes for Marshall County, KY (4)
| ZIP code | City | County | Map |
|---|---|---|---|
| 42025 | Benton | Marshall | View map |
| 42029 | Calvert City | Marshall | View map |
| 42044 | Gilbertsville | Marshall | View map |
| 42048 | Hardin | Marshall | View map |
Demographics & statistics
31,195
Population
44.7
Median age
$65,180
Median household income
$32,798
Per capita income
$161,225
Median home value
$723
Median monthly rent
80.2%
Home ownership
14.6%
Poverty rate
2.3%
Unemployment
13,850
Housing units
22.7%
Bachelor's or higher
Age distribution
Male
Female
766
Under 5
753
1,087
5–9
1,070
748
10–14
736
928
15–19
912
815
20–24
802
1,684
25–34
1,657
1,859
35–44
1,828
2,018
45–54
1,984
1,252
55–59
1,232
1,139
60–64
1,120
1,982
65–74
1,949
1,047
75–84
1,030
402
85+
395
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,389 | 22.1% |
| 18 and over | 24,806 | 78.0% |
| 65 and over | 6,805 | 20.1% |
| Median age | 44.7 years | |
Race & ethnicity
White
95.6%
Two or more races
1.7%
Hispanic or Latino
1.1%
Black or African American
0.6%
Other race
0.4%
American Indian / Alaska Native
0.3%
Asian
0.2%
| Group | Count | % |
|---|---|---|
| White | 30,169 | 95.6% |
| Two or more races | 552 | 1.7% |
| Hispanic or Latino | 350 | 1.1% |
| Black or African American | 198 | 0.6% |
| Other race | 114 | 0.4% |
| American Indian / Alaska Native | 86 | 0.3% |
| Asian | 73 | 0.2% |
Household income
Under $10k
6.7%
$10k–$15k
4.0%
$15k–$25k
10.2%
$25k–$35k
8.6%
$35k–$50k
12.9%
$50k–$75k
20.7%
$75k–$100k
10.5%
$100k–$150k
13.8%
$150k–$200k
6.9%
$200k+
5.8%
| Range | % of households |
|---|---|
| Under $10k | 6.7% |
| $10k–$15k | 4.0% |
| $15k–$25k | 10.2% |
| $25k–$35k | 8.6% |
| $35k–$50k | 12.9% |
| $50k–$75k | 20.7% |
| $75k–$100k | 10.5% |
| $100k–$150k | 13.8% |
| $150k–$200k | 6.9% |
| $200k+ | 5.8% |
| Median income | $65,180 |
Housing
Home values
Under $50k
7.0%
$50k–$100k
21.7%
$100k–$150k
21.7%
$150k–$200k
11.5%
$200k–$300k
21.3%
$300k–$500k
12.6%
$500k–$1M
3.7%
$1M+
0.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $161,225 |
| Median rent / month | $723 |
| Owner occupied | 80.2% |
| Renter occupied | 19.8% |
| Vacant | 23.7% |
| Single-family detached | 73.5% |
| Large apartment buildings | 1.4% |
| Mobile homes | 18.2% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.48 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.1% |
| 2010–2019 | 9.6% |
| 2000–2009 | 8.1% |
| 1990–1999 | 20.7% |
| 1980–1989 | 14.8% |
| 1970–1979 | 15.7% |
| 1960–1969 | 13.1% |
| 1950–1959 | 11.6% |
| 1940–1949 | 1.4% |
| 1939 or earlier | 4.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 5.2% |
| 2 bedrooms | 25.8% |
| 3 bedrooms | 48.1% |
| 4 bedrooms | 16.1% |
| 5+ bedrooms | 3.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.4% |
| 1 vehicle | 26.2% |
| 2 vehicles | 41.9% |
| 3 or more | 28.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 39.8% |
| Electricity | 44.9% |
| Propane / LP gas | 13.5% |
| Wood | 1.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 6,901 | 54.2% |
| Cohabiting couple | 748 | 6.6% |
| Male householder, no spouse | 2,194 | 18.5% |
| Female householder, no spouse | 2,931 | 20.7% |
| Households with children under 18 | 3,475 | 29.6% |
| Households with seniors (65+) | 4,663 | 33.6% |
| Average household size | 2.46 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 24.9% | 18.3% |
| Married | 52.9% | 57.6% |
| Separated | 0.4% | 1.6% |
| Widowed | 4.0% | 11.7% |
| Divorced | 17.8% | 10.9% |
Education
Less than 9th grade
3.0%
Some HS, no diploma
5.5%
HS graduate
35.4%
Some college, no degree
24.7%
Associate's degree
8.8%
Bachelor's degree
13.6%
Graduate / professional
9.1%
| Metric | % |
|---|---|
| HS diploma or higher | 91.5% |
| Bachelor's or higher | 22.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 415 | 7.2% |
| Kindergarten | 360 | 6.7% |
| Elementary school | 2,784 | 51.3% |
| High school | 1,377 | 20.1% |
| College / grad school | 863 | 14.6% |
Employment
Industry of employment
Education & healthcare
20.6%
Retail trade
14.9%
Manufacturing
12.2%
Construction
11.9%
Arts, food & hospitality
9.7%
Transportation & utilities
6.8%
Public administration
5.0%
Professional & management
4.8%
Finance & real estate
4.3%
Other services
3.8%
Wholesale trade
3.2%
Agriculture & mining
1.7%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 31.8% |
| Service | 12.7% |
| Sales & office | 26.0% |
| Natural resources & construction | 11.6% |
| Production & transportation | 18.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.6% |
| Government | 14.1% |
| Self-employed | 7.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.7% |
| Carpool | 10.6% |
| Public transit | 0.1% |
| Walk | 1.7% |
| Other means | 2.7% |
| Avg commute (minutes) | 25.7 |
Poverty
All people
14.6%
Under 18 years
18.6%
18 and over
13.6%
Married-couple families
7.0%
Female-led households
24.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 36.8% |
| Retirement income | 30.9% |
| Supplemental Security | 5.3% |
| Cash public assistance | 1.1% |
| Food stamps / SNAP | 10.5% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 42.7% |
| High cholesterol | 38.0% |
| Heart disease | 8.3% |
| Stroke | 3.6% |
| Asthma | 10.6% |
| Arthritis | 33.4% |
| Kidney disease | 3.3% |
| Pulmonary disease | 10.5% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 15.3% |
| No physical activity | 29.4% |
| Less than 7 hrs sleep | 37.6% |
| Fair or poor health | 19.4% |
| Poor mental health | 17.0% |
| Poor physical health | 13.8% |
| No health insurance | 9.8% |
| Visited doctor (checkup) | 75.1% |
| Visited dentist | 57.8% |
| Cholesterol screening | 91.2% |
| Teeth loss | 17.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,008 | 7.3% |
| Disability | % |
|---|---|
| Any disability | 18.2% |
| Under 18 | 10.1% |
| 18–64 years | 15.9% |
| 65 and over | 33.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 61.3% |
| Public insurance | 44.0% |
| Uninsured under 19 | 11.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 29,676 | 94.6% |
| Spanish | 82 | 0.1% |
| Other Indo-European | 23 | 0.1% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 59 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 30,875 | 99.3% |
| Born in same state | 30,708 | 98.7% |
| Born in different state | 20,108 | 64.7% |
| Foreign born | 167 | 0.6% |
| Naturalized citizen | 320 | 0.8% |
| Not a US citizen | 249 | 69.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 6,072 | 19.5% |
| Arab | 4,036 | 12.9% |
| Italian | 3,866 | 12.4% |
| English | 588 | 1.9% |
| German | 78 | 0.3% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 36 | 0.1% |
| Irish | 35 | 0.1% |
| Dutch | 35 | 0.1% |
| Polish | 14 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.1% |
| Internet access | 94.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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