Allen County, KY ZIP Codes
Kentucky (KY) · 3 ZIP codes · 3 cities
3
ZIP codes
20,797
population (2021)
+4.2%
pop change since 2010
21003
FIPS code
Allen County ZIP code map
About Allen County
Allen County is located in Kentucky and contains 3 ZIP codes across 3 cities and communities.
The county's population was 20,797 as of 2021,
an increase of
4.2% from 19,956 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Allen County is 21003.
| Population | |
|---|---|
| 2021 population | 20,797 |
| 2010 population | 19,956 |
| Change | +4.2% |
| County details | |
|---|---|
| State | Kentucky |
| FIPS code | 21003 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Allen County
ZIP codes for Allen County, KY (3)
| ZIP code | City | County | Map |
|---|---|---|---|
| 42120 | Adolphus | Allen | View map |
| 42153 | Holland | Allen | View map |
| 42164 | Scottsville | Allen | View map |
Demographics & statistics
19,677
Population
41.0
Median age
$57,411
Median household income
$28,290
Per capita income
$149,433
Median home value
$490
Median monthly rent
80.5%
Home ownership
31.7%
Poverty rate
5.1%
Unemployment
6,937
Housing units
16.4%
Bachelor's or higher
Age distribution
Male
Female
786
Under 5
474
940
5–9
566
697
10–14
419
663
15–19
399
740
20–24
445
1,582
25–34
953
1,456
35–44
877
1,538
45–54
927
833
55–59
501
876
60–64
527
1,311
65–74
789
592
75–84
357
268
85+
161
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,580 | 17.0% |
| 18 and over | 15,097 | 83.0% |
| 65 and over | 3,478 | 21.1% |
| Median age | 41.0 years | |
Race & ethnicity
White
94.8%
Two or more races
2.8%
Hispanic or Latino
0.9%
Black or African American
0.8%
Other race
0.6%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 18,823 | 94.8% |
| Two or more races | 547 | 2.8% |
| Hispanic or Latino | 182 | 0.9% |
| Black or African American | 167 | 0.8% |
| Other race | 123 | 0.6% |
| American Indian / Alaska Native | 10 | 0.1% |
Household income
Under $10k
18.9%
$10k–$15k
2.0%
$15k–$25k
13.2%
$25k–$35k
9.4%
$35k–$50k
9.1%
$50k–$75k
14.7%
$75k–$100k
14.3%
$100k–$150k
13.6%
$150k–$200k
3.1%
$200k+
1.7%
| Range | % of households |
|---|---|
| Under $10k | 18.9% |
| $10k–$15k | 2.0% |
| $15k–$25k | 13.2% |
| $25k–$35k | 9.4% |
| $35k–$50k | 9.1% |
| $50k–$75k | 14.7% |
| $75k–$100k | 14.3% |
| $100k–$150k | 13.6% |
| $150k–$200k | 3.1% |
| $200k+ | 1.7% |
| Median income | $57,411 |
Housing
Home values
Under $50k
11.1%
$50k–$100k
10.6%
$100k–$150k
28.4%
$150k–$200k
17.2%
$200k–$300k
20.1%
$300k–$500k
11.7%
$500k–$1M
0.6%
$1M+
0.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $149,433 |
| Median rent / month | $490 |
| Owner occupied | 80.5% |
| Renter occupied | 19.5% |
| Vacant | 10.9% |
| Single-family detached | 64.1% |
| Large apartment buildings | 0.2% |
| Mobile homes | 33.2% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.99 |
Year built
| Era | % |
|---|---|
| 2020 or later | 2.0% |
| 2010–2019 | 7.5% |
| 2000–2009 | 13.7% |
| 1990–1999 | 18.6% |
| 1980–1989 | 23.5% |
| 1970–1979 | 8.8% |
| 1960–1969 | 4.4% |
| 1950–1959 | 6.7% |
| 1940–1949 | 8.0% |
| 1939 or earlier | 6.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.5% |
| 1 bedroom | 3.6% |
| 2 bedrooms | 24.1% |
| 3 bedrooms | 46.2% |
| 4 bedrooms | 23.5% |
| 5+ bedrooms | 2.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.5% |
| 1 vehicle | 20.1% |
| 2 vehicles | 26.8% |
| 3 or more | 49.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 4.4% |
| Electricity | 79.8% |
| Propane / LP gas | 11.1% |
| Wood | 4.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,878 | 48.0% |
| Cohabiting couple | 383 | 3.7% |
| Male householder, no spouse | 1,221 | 21.2% |
| Female householder, no spouse | 1,923 | 27.1% |
| Households with children under 18 | 2,437 | 24.2% |
| Households with seniors (65+) | 2,494 | 43.9% |
| Average household size | 2.80 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.1% | 19.0% |
| Married | 46.8% | 46.8% |
| Separated | 0.4% | 0.6% |
| Widowed | 4.2% | 25.9% |
| Divorced | 19.5% | 7.7% |
Education
Less than 9th grade
12.1%
Some HS, no diploma
8.7%
HS graduate
33.7%
Some college, no degree
24.4%
Associate's degree
4.8%
Bachelor's degree
11.9%
Graduate / professional
4.5%
| Metric | % |
|---|---|
| HS diploma or higher | 79.2% |
| Bachelor's or higher | 16.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 276 | 7.7% |
| Kindergarten | 157 | 2.8% |
| Elementary school | 2,267 | 38.7% |
| High school | 756 | 9.8% |
| College / grad school | 572 | 7.7% |
Employment
Industry of employment
Arts, food & hospitality
24.0%
Education & healthcare
20.4%
Manufacturing
15.2%
Other services
8.0%
Transportation & utilities
7.0%
Construction
6.9%
Retail trade
6.1%
Finance & real estate
3.2%
Professional & management
3.2%
Wholesale trade
2.2%
Agriculture & mining
2.2%
Public administration
1.3%
Information
0.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 30.6% |
| Service | 29.3% |
| Sales & office | 13.9% |
| Natural resources & construction | 5.8% |
| Production & transportation | 20.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.2% |
| Government | 13.7% |
| Self-employed | 4.8% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 84.4% |
| Carpool | 7.4% |
| Public transit | 0.1% |
| Walk | 0.8% |
| Other means | 0.1% |
| Avg commute (minutes) | 19.7 |
Poverty
All people
31.7%
Under 18 years
15.3%
18 and over
29.9%
Married-couple families
3.9%
Female-led households
60.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 47.1% |
| Retirement income | 16.7% |
| Supplemental Security | 2.3% |
| Cash public assistance | 2.0% |
| Food stamps / SNAP | 6.3% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 42.9% |
| High cholesterol | 37.4% |
| Heart disease | 8.4% |
| Stroke | 3.9% |
| Asthma | 11.8% |
| Arthritis | 32.4% |
| Kidney disease | 3.4% |
| Pulmonary disease | 12.4% |
| Cancer | 6.7% |
| Behavior / access | % |
|---|---|
| Binge drinking | 15.1% |
| No physical activity | 34.1% |
| Less than 7 hrs sleep | 40.6% |
| Fair or poor health | 23.4% |
| Poor mental health | 19.4% |
| Poor physical health | 15.9% |
| No health insurance | 12.2% |
| Visited doctor (checkup) | 75.5% |
| Visited dentist | 48.2% |
| Cholesterol screening | 88.3% |
| Teeth loss | 22.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,214 | 4.9% |
| Disability | % |
|---|---|
| Any disability | 35.9% |
| Under 18 | 2.1% |
| 18–64 years | 36.9% |
| 65 and over | 46.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 47.1% |
| Public insurance | 47.1% |
| Uninsured under 19 | 5.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 18,417 | 95.3% |
| Spanish | 564 | 1.5% |
| Other Indo-European | 130 | 0.3% |
| Asian & Pacific Islander | 395 | 0.8% |
| Other languages | 28 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 19,318 | 97.4% |
| Born in same state | 19,280 | 97.3% |
| Born in different state | 13,024 | 41.5% |
| Foreign born | 38 | 0.2% |
| Naturalized citizen | 359 | 2.6% |
| Not a US citizen | 133 | 52.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,018 | 15.3% |
| Arab | 2,938 | 14.9% |
| Italian | 1,860 | 9.5% |
| Polish | 232 | 1.2% |
| English | 138 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 43 | 0.2% |
| German | 12 | 0.1% |
| Dutch | 10 | 0.1% |
| Norwegian | 7 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.8% |
| Internet access | 83.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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