Jefferson County, KY ZIP Codes
Kentucky (KY) · 73 ZIP codes · 8 cities
73
ZIP codes
777,874
population (2021)
+5.0%
pop change since 2010
21111
FIPS code
Jefferson County ZIP code map
About Jefferson County
Jefferson County is located in Kentucky and contains 73 ZIP codes across 8 cities and communities.
The county's population was 777,874 as of 2021,
an increase of
5% from 741,096 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Jefferson County is 21111.
| Population | |
|---|---|
| 2021 population | 777,874 |
| 2010 population | 741,096 |
| Change | +5.0% |
| County details | |
|---|---|
| State | Kentucky |
| FIPS code | 21111 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Jefferson County
ZIP codes for Jefferson County, KY (73)
Demographics & statistics
798,647
Population
38.7
Median age
$71,281
Median household income
$40,120
Per capita income
$233,109
Median home value
$1,093
Median monthly rent
58.1%
Home ownership
15.7%
Poverty rate
5.6%
Unemployment
236,803
Housing units
34.9%
Bachelor's or higher
Age distribution
Male
Female
23,339
Under 5
24,612
22,650
5–9
23,885
24,608
10–14
25,950
23,639
15–19
24,928
24,552
20–24
25,891
56,741
25–34
59,835
49,754
35–44
52,467
47,276
45–54
49,854
25,353
55–59
26,736
26,111
60–64
27,535
38,853
65–74
40,971
18,390
75–84
19,393
7,459
85+
7,865
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 174,831 | 20.3% |
| 18 and over | 623,816 | 79.7% |
| 65 and over | 132,931 | 18.5% |
| Median age | 38.7 years | |
Race & ethnicity
White
65.2%
Black or African American
20.6%
Two or more races
5.6%
Hispanic or Latino
4.1%
Asian
2.9%
Other race
1.4%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 542,696 | 65.2% |
| Black or African American | 171,942 | 20.6% |
| Two or more races | 46,885 | 5.6% |
| Hispanic or Latino | 34,172 | 4.1% |
| Asian | 23,992 | 2.9% |
| Other race | 12,050 | 1.4% |
| American Indian / Alaska Native | 708 | 0.1% |
Household income
Under $10k
6.4%
$10k–$15k
4.8%
$15k–$25k
8.2%
$25k–$35k
8.5%
$35k–$50k
12.1%
$50k–$75k
18.0%
$75k–$100k
12.3%
$100k–$150k
14.4%
$150k–$200k
7.3%
$200k+
7.9%
| Range | % of households |
|---|---|
| Under $10k | 6.4% |
| $10k–$15k | 4.8% |
| $15k–$25k | 8.2% |
| $25k–$35k | 8.5% |
| $35k–$50k | 12.1% |
| $50k–$75k | 18.0% |
| $75k–$100k | 12.3% |
| $100k–$150k | 14.4% |
| $150k–$200k | 7.3% |
| $200k+ | 7.9% |
| Median income | $71,281 |
Housing
Home values
Under $50k
5.4%
$50k–$100k
10.5%
$100k–$150k
16.4%
$150k–$200k
15.9%
$200k–$300k
21.6%
$300k–$500k
20.9%
$500k–$1M
7.8%
$1M+
1.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $233,109 |
| Median rent / month | $1,093 |
| Owner occupied | 58.1% |
| Renter occupied | 41.9% |
| Vacant | 9.1% |
| Single-family detached | 62.4% |
| Large apartment buildings | 10.1% |
| Mobile homes | 1.3% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.31 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 7.7% |
| 2000–2009 | 9.3% |
| 1990–1999 | 9.5% |
| 1980–1989 | 7.9% |
| 1970–1979 | 13.4% |
| 1960–1969 | 12.4% |
| 1950–1959 | 14.8% |
| 1940–1949 | 7.5% |
| 1939 or earlier | 17.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.5% |
| 1 bedroom | 15.1% |
| 2 bedrooms | 29.3% |
| 3 bedrooms | 34.9% |
| 4 bedrooms | 14.1% |
| 5+ bedrooms | 4.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 11.1% |
| 1 vehicle | 37.3% |
| 2 vehicles | 35.6% |
| 3 or more | 16.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 60.1% |
| Electricity | 37.5% |
| Propane / LP gas | 1.1% |
| Fuel oil | 0.2% |
| Wood | 0.2% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 133,784 | 37.7% |
| Cohabiting couple | 23,086 | 6.7% |
| Male householder, no spouse | 69,281 | 21.9% |
| Female householder, no spouse | 107,716 | 33.7% |
| Households with children under 18 | 90,392 | 24.7% |
| Households with seniors (65+) | 98,393 | 30.5% |
| Average household size | 2.26 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 39.4% | 32.9% |
| Married | 43.9% | 40.0% |
| Separated | 1.7% | 2.3% |
| Widowed | 3.5% | 9.5% |
| Divorced | 11.5% | 15.4% |
Education
Less than 9th grade
2.9%
Some HS, no diploma
7.1%
HS graduate
25.6%
Some college, no degree
21.1%
Associate's degree
8.5%
Bachelor's degree
20.1%
Graduate / professional
14.8%
| Metric | % |
|---|---|
| HS diploma or higher | 90.1% |
| Bachelor's or higher | 34.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 10,319 | 5.4% |
| Kindergarten | 8,907 | 4.6% |
| Elementary school | 75,153 | 39.8% |
| High school | 39,058 | 21.6% |
| College / grad school | 46,593 | 28.6% |
Employment
Industry of employment
Education & healthcare
23.7%
Manufacturing
11.5%
Professional & management
11.2%
Retail trade
10.1%
Arts, food & hospitality
9.0%
Transportation & utilities
8.8%
Finance & real estate
7.3%
Other services
6.7%
Construction
4.6%
Public administration
2.6%
Wholesale trade
2.5%
Information
1.7%
Agriculture & mining
0.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 39.3% |
| Service | 17.1% |
| Sales & office | 19.5% |
| Natural resources & construction | 5.6% |
| Production & transportation | 18.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.9% |
| Government | 10.1% |
| Self-employed | 5.8% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.6% |
| Carpool | 8.4% |
| Public transit | 2.9% |
| Walk | 2.7% |
| Other means | 1.9% |
| Avg commute (minutes) | 21.4 |
Poverty
All people
15.7%
Under 18 years
20.4%
18 and over
13.9%
Married-couple families
4.9%
Female-led households
23.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.7% |
| Retirement income | 23.9% |
| Supplemental Security | 5.6% |
| Cash public assistance | 2.9% |
| Food stamps / SNAP | 11.1% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 40.2% |
| High cholesterol | 35.3% |
| Heart disease | 6.9% |
| Stroke | 3.5% |
| Asthma | 11.2% |
| Arthritis | 27.9% |
| Kidney disease | 3.1% |
| Pulmonary disease | 8.7% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Binge drinking | 15.5% |
| No physical activity | 28.0% |
| Less than 7 hrs sleep | 35.2% |
| Fair or poor health | 18.7% |
| Poor mental health | 17.2% |
| Poor physical health | 12.9% |
| No health insurance | 10.6% |
| Visited doctor (checkup) | 77.0% |
| Visited dentist | 61.0% |
| Cholesterol screening | 90.1% |
| Teeth loss | 15.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 41,738 | 6.8% |
| Disability | % |
|---|---|
| Any disability | 16.1% |
| Under 18 | 5.1% |
| 18–64 years | 11.9% |
| 65 and over | 35.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 66.2% |
| Public insurance | 43.3% |
| Uninsured under 19 | 4.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 750,696 | 94.6% |
| Spanish | 36,471 | 4.2% |
| Other Indo-European | 19,470 | 2.3% |
| Asian & Pacific Islander | 6,293 | 0.7% |
| Other languages | 5,645 | 0.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 730,086 | 92.1% |
| Born in same state | 721,804 | 91.2% |
| Born in different state | 527,614 | 66.5% |
| Foreign born | 8,282 | 1.0% |
| Naturalized citizen | 68,561 | 7.9% |
| Not a US citizen | 30,583 | 43.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 96,423 | 12.1% |
| French | 87,055 | 10.9% |
| Arab | 50,616 | 6.3% |
| English | 6,783 | 0.8% |
| Polish | 3,046 | 0.4% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 1,547 | 0.2% |
| Norwegian | 1,242 | 0.2% |
| German | 1,076 | 0.1% |
| Dutch | 826 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 43.3% |
| Internet access | 92.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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