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ZIP Code 40121

Post Office City:Fort Knox, KY (View All Cities)
County: Hardin County
Timezone: Eastern (4:05pm)
Coordinates:37.92, -85.95
ZIP (~6 mile radius)

Cities in ZIP code 40121

The list below includes the cities that the US Post Office accepts for ZIP code 40121. The preferred city may not be the city in which the ZIP is located. The city for 40121 is usually the name of the main post office. When mailing your package or letter, always include the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in delays.

Primary/preferred city:
Fort Knox, KY

Stats and Demographics for the 40121 ZIP Code

ZIP code 40121 is located in central Kentucky and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has a slightly less than average population density.

The people living in ZIP code 40121 are primarily white. The number of people in their late 20s to early 40s is extremely large while the number of middle aged adults is extremely small. There are also an extremely large number of families and an extremely small number of single adults. The percentage of children under 18 living in the 40121 ZIP code is extremely large compared to other areas of the country.

Population 10,124
Population Density 299 people per sq mi
Housing Units 2,961
Land Area 33.88 sq mi
Water Area 0.27 sq mi
Occupied Housing Units 2,361
Median Household Income $51,711

Estimated Population over Time

Total Population by Age

Median Age: 23Male Median Age: 23Female Median Age: 23


MaleFemaleTotal
Under 57296671,396
5-95525531,105
10-14395385780
15-19477267744
20-241,2955491,844
25-298506251,475
30-346214541,075
35-39423331754
40-44337237574
45-4913783220
50-54493483
55-59242347
60-6481018
65-69156
70-74022
75-79000
80-84011
85 Plus000

Gender

 Male 5,898 58%
 Female 4,226 42%
Gender

Race

 White 7,247 71.6%
 Black Or African American 1,677 16.6%
 American Indian Or Alaskan Native 111 1.1%
 Asian 168 1.7%
 Native Hawaiian & Other Pacific Islander 59 0.6%
 Other Race 324 3.2%
 Two Or More Races 538 5.3%
Race

Head of Household by Age


OwnerRenterTotal
15-241399400
25-3431,1291,132
35-448659667
45-540138138
55-6412122
65-74112
75-84000
85 Plus000

Families vs Singles

 Husband Wife Family Households 1,901 80.5%
 Single Guardian 255 10.8%
 Singles 191 8.1%
 Singles With Roommate 14 0.6%
Families vs Singles

Households with Kids

Average Household Size: 3
 Households without Kids 574 24%
 Households with Kids 1,787 76%
Households with Kids

Children by Age


MaleFemaleTotal
1167126293
2145160305
3123135258
4141130271
5119106225
6111109220
7119139258
8102103205
910196197
108084164
1180104184
128464148
139166157
146067127
155159110
166456120
17493887
189648144
1921766283
2027580355

Real Estate and Housing

ZIP code 40121 has a slightly higher than average percentage of vacancies. The Census also indicates that there are one or more military bases nearby.

The majority of household are rented. Homes in ZIP code 40121 were primarily built in the 1960s or the 2000s. Rentals in 40121 are most commonly 3+ bedrooms. The rent for 3+ bedrooms is normally $1,000+/month including utilities. Prices for rental property include ZIP code 40121 apartments, townhouses, and homes that are primary residences.

For more information, see Fort Knox, KY real estate.

Housing Type

 In Occupied Housing Units 8,111 80%
 Correctional Facility For Adults 0 0%
 Juvenile Facilities 0 0%
 Nursing Facilities 0 0%
 Other Institutional 0 0%
 College Student Housing 0 0%
 Military Quarters 2,013 20%
 Other Noninstitutional 0 0%
Housing Type

Year Housing was Built

Housing Occupancy

 Owned Households With A Mortgage 9 0.3%
 Owned Households Free & Clear 5 0.2%
 Renter Occupied Households 2,347 79.3%
 Households Vacant 600 20.3%
Housing Occupancy

Vacancy Reasons

 For Rent 323 53.8%
 Rented & Unoccupied 2 0.3%
 For Sale Only 1 0.2%
 Sold & Unoccupied 0 0.0%
 For Season Recreational Or Occasional Use 32 5.3%
 For Migrant Workers 0 0.0%
 Vacant For Other Reasons 242 40.3%
Vacancy Reasons

Owner Occupied Home Values

Rental Properties by Number of Rooms

 Studio Apartment 18 0.8%
 1 Bedroom 15 0.6%
 2 Bedroom 190 8.0%
 3+ Bedroom 2,160 90.6%
Rental Properties by Number of Rooms

Cost of Monthly Rent Including Utilities

Cost of a Studio Apartment

Cost of a 1 Bedroom

Cost of a 2 Bedroom

Cost of a 3+ Bedroom

Employment, Income, Earnings, and Work

The median household income of $51,711 is compared to the rest of the country. It is also compared to nearby ZIP codes. So 40121 is likely to be one of the nicer parts of town with a more affluent demographic.

As with most parts of the country, vehicles are the most common form of transportation to places of employment. If you are a person that likes walking or biking to work, it will be a comfort for you to know that 40121 has a well above average number of people who do not use a vehicle to commute. A higher percentage of people in 40121 than almost anywhere in the country avoid a commute altogether by working at home. In most parts of the country, the majority of commuters get to work in under half an hour. The commute in 40121 is that short for a higher percentage of workers than almost anywhere in the United States. Many commuters should consider themselves lucky that they don't have a longer commute. It is very uncommon, compared to the rest of the US, for employees to have to travel more than 45 minutes to their place of employment.

Employment Status

 Worked Full-time with Earnings 4,430 62%
 Worked Part-time with Earnings 1,117 16%
 No Earnings 1,552 22%
Employment Status

Average Household Income over Time

Household Income

Annual Individual Earnings

Sources of Household Income

Percent of Households Receiving Income

Average Income per Household by Income Source

* Only taxable income is reported.

Household Investment Income

Percent of Households Receiving Investment Income

Average Income per Household by Income Source

* Only taxable income is reported.

Household Retirement Income

Percent of Households Receiving Retirement Income

Average Income per Household by Income Source

* Only taxable income is reported.

Source of Earnings

 Worked Full-time with Earnings 4,430 62%
 Worked Part-time with Earnings 1,117 16%
 No Earnings 1,552 22%
Source of Earnings

Means Of Transportation To Work for Workers 16 and Over

 Car, truck, or van 3,570 70%
 Public transportation 0 0%
 Taxicab 0 0%
 Motorcycle 50 1%
 Bicycle, Walked, or Other Means 598 12%
 Worked at Home 871 17%
Means Of Transportation To Work for Workers 16 and Over

Travel Time to Work (In Minutes)

Schools and Education

Compared to other ZIPs, 40121 has a very small percentage of people that did not graduate high school. The area has some of the highest percentages of people who attended college of any ZIP.

Educational Attainment For The Population 25 Years And Over

 Less than High School Diploma 180 4.0%
 High School Graduate 2,877 63.4%
 Associate's degree 410 9.0%
 Bachelor's degree 705 15.5%
 Master's degree 296 6.5%
 Professional school degree 34 0.7%
 Doctorate degree 38 0.8%
Educational Attainment For The Population 25 Years And Over

School Enrollment (Ages 3 to 17)

 Enrolled in Public School 2,726 86%
 Enrolled in Private School 195 6%
 Not Enrolled in School 254 8%
School Enrollment (Ages 3 to 17)

Schools in ZIP Code 40121

ZIP Code 40121 is in the Kentucky School District. There are 4 different elementary schools and high schools with mailing addresses in ZIP code 40121.

Macdonald Elementary School
128 McCracken Street
Fort Knox, KY 40121
Grade Level: Primary/Elementary
District: Kentucky School District
Van Voorhis Elementary School
120 Folger Street
Fort Knox, KY 40121
Grade Level: Primary/Elementary
District: Kentucky School District
Scott Middle School
266 Mississippi Street
Fort Knox, KY 40121
Grade Level: Middle/Elementary
District: Kentucky School District
Fort Knox High School
266 Maine Street
Fort Knox, KY 40121
Grade Level: High/Secondary
District: Kentucky School District

Nearby ZIP Codes