Princeton ZIP Codes — Franklin County, KS

There is one unique ZIP code in Princeton, Kansas and it is 66078. Area code: 785.
1
ZIP codes
64.42
sq mi land
0.78
sq mi water
785
area code
Princeton, KS ZIP code map

About Princeton, KS

Princeton, Kansas, is a small and charming city located in Franklin County. With its rural feel and friendly atmosphere, it is a hidden gem in the heart of the Midwest. Residents enjoy a close-knit community where local events and gatherings are staples of everyday life.

Location & geography

The city of Princeton is situated in the eastern part of Kansas, approximately 15 miles south of the larger city of Ottawa. Surrounding towns include Wellsville to the north, Paola to the west, and Garnett to the southeast, each offering unique attractions and conveniences. Covering a land area of 64.42 square miles, Princeton also features a modest water area of 0.78 square miles.

Community & economy

The character of Princeton is defined by its community spirit, with friendly residents often engaging in outdoor activities and local events. While it primarily remains a farming community, residents may find light industry and trade as part of daily life. Princeton’s agricultural roots contribute to the town's identity, fostering connections with the surrounding rich farmland.

Transportation

Princeton is accessible via U.S. Route 59, which provides a direct connection to other major cities in the state. The nearest major airport is in Kansas City, located about 60 miles to the northeast, making it an ideal location for both business and leisure travel. Local transit options may include a mix of private vehicles and limited intercity bus services.

History

Princeton was founded in the late 19th century, developing as a community that served the needs of the surrounding agricultural area. Over the years, the city has seen various industries come and go, with agriculture remaining a cornerstone of its economy. Notable events in Princeton's history include its participation in regional agricultural fairs and celebrations that bring the community together.

Did you know?

One surprising fact about Princeton, Kansas, is that despite its small size, it boasts a picturesque landscape that includes ample open fields and natural beauty typical of the Flint Hills region. Additionally, the community hosts annual events that highlight local crafts and agricultural heritage, attracting visitors from neighboring areas.

ZIP codes for Princeton, KS (1)
ZIP code City County Map
66078 Princeton Franklin View map

Demographics & statistics

812
Population
49.1
Median age
$76,250
Median household income
$34,634
Per capita income
$213,500
Median home value
$796
Median monthly rent
84.7%
Home ownership
3.2%
Poverty rate
0.2%
Unemployment
285
Housing units
31.5%
Bachelor's or higher

Age distribution

Male Female
3
Under 5
4
21
5–9
24
18
10–14
22
19
15–19
23
30
20–24
35
29
25–34
35
49
35–44
58
45
45–54
54
12
55–59
14
48
60–64
56
29
65–74
34
39
75–84
46
30
85+
35
← Male
Female →

Age summary

GroupCount%
Under 1812114.9%
18 and over69185.1%
65 and over21326.2%
Median age49.1 years

Race & ethnicity

White 92.3%
Two or more races 3.7%
Hispanic or Latino 2.9%
Asian 0.7%
American Indian / Alaska Native 0.4%
GroupCount%
White77292.3%
Two or more races313.7%
Hispanic or Latino242.9%
Asian60.7%
American Indian / Alaska Native30.4%

Household income

Under $10k 2.6%
$10k–$15k 0.3%
$15k–$25k 3.9%
$25k–$35k 4.6%
$35k–$50k 12.4%
$50k–$75k 25.7%
$75k–$100k 16.0%
$100k–$150k 27.0%
$150k–$200k 5.5%
$200k+ 2.0%
Range% of households
Under $10k2.6%
$10k–$15k0.3%
$15k–$25k3.9%
$25k–$35k4.6%
$35k–$50k12.4%
$50k–$75k25.7%
$75k–$100k16.0%
$100k–$150k27.0%
$150k–$200k5.5%
$200k+2.0%
Median income$76,250

Housing

Home values

Under $50k 9.2%
$50k–$100k 12.7%
$100k–$150k 13.8%
$150k–$200k 7.7%
$200k–$300k 34.6%
$300k–$500k 20.0%
$500k–$1M 1.9%

Housing overview

MetricValue
Median home value$213,500
Median rent / month$796
Owner occupied84.7%
Renter occupied15.3%
Vacant7.5%
Single-family detached92.8%
Large apartment buildings0.0%
Mobile homes7.2%
Median rooms7.1
Avg household size (owned)2.50

Year built

Era%
2020 or later0.0%
2010–20192.4%
2000–200914.5%
1990–199916.9%
1980–19896.6%
1970–197914.2%
1960–19698.1%
1950–195916.0%
1940–19490.3%
1939 or earlier21.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.2%
2 bedrooms10.5%
3 bedrooms65.1%
4 bedrooms16.9%
5+ bedrooms6.3%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle3.9%
2 vehicles28.3%
3 or more67.8%

Heating fuel

Fuel type%
Utility gas28.7%
Electricity28.3%
Propane / LP gas28.3%
Fuel oil1.3%
Wood10.1%

Households & families

Household typeCount%
Married-couple family24680.1%
Cohabiting couple10.3%
Male householder, no spouse154.9%
Female householder, no spouse4514.7%
Households with children under 187022.8%
Households with seniors (65+)12641.0%
Average household size2.64

Marital status

StatusMaleFemale
Never married14.7%19.9%
Married76.9%66.8%
Separated0.0%1.3%
Widowed4.5%7.5%
Divorced3.9%4.4%

Education

Less than 9th grade 2.4%
Some HS, no diploma 10.1%
HS graduate 29.0%
Some college, no degree 19.6%
Associate's degree 7.3%
Bachelor's degree 25.1%
Graduate / professional 6.4%
Metric%
HS diploma or higher87.4%
Bachelor's or higher31.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool21.4%
Kindergarten1812.2%
Elementary school5637.8%
High school3523.6%
College / grad school3725.0%

Employment

Industry of employment

Education & healthcare 22.5%
Arts, food & hospitality 14.4%
Construction 12.2%
Retail trade 8.4%
Professional & management 8.1%
Wholesale trade 7.4%
Finance & real estate 6.2%
Transportation & utilities 5.7%
Public administration 5.0%
Agriculture & mining 3.6%
Manufacturing 3.6%
Other services 2.4%
Information 0.5%

Occupation

Category%
Management, business & arts31.8%
Service18.9%
Sales & office17.5%
Natural resources & construction17.0%
Production & transportation14.8%

Employment type

Type%
Private sector76.1%
Government14.8%
Self-employed9.1%
Unpaid family workers0.0%

Commute

Method%
Drive alone83.3%
Carpool7.0%
Public transit0.0%
Walk0.0%
Other means1.0%
Avg commute (minutes)23.1

Poverty

All people 3.2%
Under 18 years 10.7%
18 and over 1.9%
Married-couple families 1.2%
Female-led households 0.0%

Income support

Source% of households
Social Security39.1%
Retirement income35.2%
Supplemental Security1.0%
Cash public assistance2.0%
Food stamps / SNAP4.2%

Health indicators

Condition%
High blood pressure35.0%
High cholesterol34.5%
Heart disease6.9%
Stroke3.0%
Asthma9.6%
Arthritis26.1%
Kidney disease2.9%
Pulmonary disease7.0%
Cancer7.3%
Behavior / access%
Binge drinking16.7%
No physical activity24.4%
Less than 7 hrs sleep31.3%
Fair or poor health13.4%
Poor mental health13.7%
Poor physical health10.0%
No health insurance13.1%
Visited doctor (checkup)74.1%
Visited dentist63.7%
Cholesterol screening89.6%
Teeth loss13.7%

Veterans & disability

VeteransCount%
Civilian veterans11216.2%
Disability%
Any disability10.3%
Under 185.0%
18–64 years10.3%
65 and over13.6%

Health insurance coverage

Type%
Private insurance76.7%
Public insurance31.5%
Uninsured under 194.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only80599.1%
Spanish20.2%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages20.2%

Place of birth & citizenship

OriginCount%
Native born (US)80899.5%
Born in same state80599.1%
Born in different state47057.9%
Foreign born30.4%
Naturalized citizen40.5%
Not a US citizen375.0%

Ancestry

AncestryCount%
Italian9311.5%
French465.7%
AncestryCount%
Arab344.2%
English50.6%

Technology access

Metric% of households
Computer access37.8%
Internet access90.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Princeton, KS have?
Princeton, KS has one ZIP code: 66078. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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