Randolph ZIP Codes — Riley County, KS

There is one unique ZIP code in Randolph, Kansas and it is 66554. Area code: 785.

ZIP codes

100.88

sq mi land

4.68

sq mi water

785

area code

Randolph, KS ZIP code map

About Randolph, KS

Randolph, Kansas is a small city located in the heart of Riley County. Known for its quiet charm and rural atmosphere, Randolph offers a respite from the hustle and bustle of larger urban areas. It embodies the spirit of small-town America with its close-knit community and scenic surroundings.

Location & geography

Randolph is situated in Riley County in the northeastern part of Kansas, providing a picturesque landscape characterized by rolling hills and open fields. The city is located approximately 14 miles from Manhattan, KS, which is a larger regional hub, and about 21 miles from Junction City, KS. The total area of Randolph is 100.88 square miles, including 4.68 square miles of water, contributing to its natural beauty.

Community & economy

The character of Randolph is defined by its welcoming residents and a strong sense of community spirit. The local economy is primarily driven by agriculture, with many residents engaged in farming and related industries. Daily life in Randolph often revolves around local events, gatherings, and outdoor activities that celebrate the area's rural heritage.

Transportation

Randolph is accessible via several local roads, with a notable proximity to U.S. Highway 24, which connects the city to larger neighboring communities. The nearest major airport is Manhattan Regional Airport, located approximately 15 miles away, providing air travel options for residents. Public transportation is limited, reflecting the city's small size and rural nature.

History

Randolph was founded in the mid-19th century and has developed a rich history anchored by agriculture and community togetherness. As part of Riley County, it has witnessed various developments over the decades, with agriculture consistently serving as a cornerstone of its economy. Noteworthy events in its history include local fairs and community celebrations that continue to this day, demonstrating the city's agricultural roots.

Did you know?

One surprising fact about Randolph is that it is home to a significant number of veterans who have served in various U.S. conflicts. The city's commitment to honoring its military history is visible in local memorials and community events dedicated to veterans.

ZIP codes for Randolph, KS (1)

ZIP code	City	County	Map
66554	Randolph	Riley	View map

Demographics & statistics

650

Population

54.6

Median age

$87,898

Median household income

$40,252

Per capita income

$235,900

Median home value

$1,115

Median monthly rent

92.9%

Home ownership

3.2%

Poverty rate

1.0%

Unemployment

248

Housing units

50.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

109

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	125	19.2%
18 and over	525	80.8%
65 and over	215	33.1%
Median age	54.6 years

Race & ethnicity

White 91%

Two or more races 5.8%

Hispanic or Latino 2.7%

Asian 0.4%

Group	Count	%
White	608	91%
Two or more races	39	5.8%
Hispanic or Latino	18	2.7%
Asian	3	0.4%

Household income

Under $10k 0.4%

$10k–$15k 3.1%

$15k–$25k 4.0%

$25k–$35k 2.2%

$35k–$50k 7.6%

$50k–$75k 29.3%

$75k–$100k 13.3%

$100k–$150k 24.9%

$150k–$200k 11.6%

$200k+ 3.6%

Range	% of households
Under $10k	0.4%
$10k–$15k	3.1%
$15k–$25k	4.0%
$25k–$35k	2.2%
$35k–$50k	7.6%
$50k–$75k	29.3%
$75k–$100k	13.3%
$100k–$150k	24.9%
$150k–$200k	11.6%
$200k+	3.6%
Median income	$87,898

Housing

Home values

Under $50k 7.7%

$50k–$100k 15.3%

$100k–$150k 13.4%

$150k–$200k 5.7%

$200k–$300k 35.4%

$300k–$500k 18.2%

$500k–$1M 4.3%

Housing overview

Metric	Value
Median home value	$235,900
Median rent / month	$1,115
Owner occupied	92.9%
Renter occupied	7.1%
Vacant	14.8%
Single-family detached	90.9%
Large apartment buildings	0.0%
Mobile homes	9.1%
Median rooms	6.3
Avg household size (owned)	3.03

Year built

Era	%
2020 or later	0.0%
2010–2019	6.1%
2000–2009	13.3%
1990–1999	12.5%
1980–1989	12.5%
1970–1979	8.7%
1960–1969	15.5%
1950–1959	4.2%
1940–1949	1.5%
1939 or earlier	25.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.9%
2 bedrooms	21.6%
3 bedrooms	33.3%
4 bedrooms	39.0%
5+ bedrooms	1.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	19.1%
2 vehicles	28.4%
3 or more	52.0%

Heating fuel

Fuel type	%
Utility gas	6.2%
Electricity	21.8%
Propane / LP gas	61.8%
Fuel oil	8.0%
Wood	2.2%

Households & families

Household type	Count	%
Married-couple family	163	72.4%
Cohabiting couple	1	0.4%
Male householder, no spouse	25	11.1%
Female householder, no spouse	36	16.0%
Households with children under 18	53	23.6%
Households with seniors (65+)	83	36.9%
Average household size	2.89

Marital status

Status	Male	Female
Never married	14.2%	8.6%
Married	81.4%	82.5%
Separated	0.0%	0.0%
Widowed	0.0%	5.5%
Divorced	4.4%	3.4%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.8%

HS graduate 23.1%

Some college, no degree 15.2%

Associate's degree 10.3%

Bachelor's degree 37.5%

Graduate / professional 13.0%

Metric	%
HS diploma or higher	99.2%
Bachelor's or higher	50.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	3	2.3%
Kindergarten	12	9.3%
Elementary school	85	65.9%
High school	14	10.9%
College / grad school	15	11.6%

Employment

Industry of employment

Education & healthcare 46.1%

Agriculture & mining 8.5%

Retail trade 8.5%

Finance & real estate 6.3%

Professional & management 6.3%

Other services 5.6%

Public administration 5.6%

Construction 4.9%

Transportation & utilities 3.2%

Wholesale trade 1.8%

Arts, food & hospitality 1.8%

Manufacturing 1.1%

Information 0.4%

Occupation

Category	%
Management, business & arts	49.3%
Service	16.2%
Sales & office	16.9%
Natural resources & construction	12.0%
Production & transportation	5.6%

Employment type

Type	%
Private sector	41.5%
Government	39.4%
Self-employed	19.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.7%
Carpool	11.0%
Public transit	0.0%
Walk	1.1%
Other means	0.0%
Avg commute (minutes)	29.4

Poverty

All people 3.2%

Under 18 years 4.8%

18 and over 2.9%

Married-couple families 1.8%

Female-led households 28.6%

Income support

Source	% of households
Social Security	41.8%
Retirement income	38.7%
Supplemental Security	1.8%
Cash public assistance	1.3%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
High blood pressure	30.8%
High cholesterol	33.7%
Heart disease	6.1%
Stroke	2.6%
Asthma	8.6%
Arthritis	24.0%
Kidney disease	2.6%
Pulmonary disease	5.4%
Cancer	7.5%

Behavior / access	%
Binge drinking	18.9%
No physical activity	18.1%
Less than 7 hrs sleep	28.2%
Fair or poor health	10.4%
Poor mental health	12.1%
Poor physical health	8.3%
No health insurance	10.7%
Visited doctor (checkup)	75.5%
Visited dentist	74.9%
Cholesterol screening	91.4%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	56	10.9%

Disability	%
Any disability	10.1%
Under 18	4.0%
18–64 years	5.6%
65 and over	20.0%

Health insurance coverage

Type	%
Private insurance	89.7%
Public insurance	38.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	634	97.5%
Spanish	3	0.5%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	3	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	635	97.7%
Born in same state	626	96.3%
Born in different state	413	63.5%
Foreign born	9	1.4%
Naturalized citizen	15	2.3%
Not a US citizen	15	100.0%

Ancestry

Ancestry	Count	%
French	117	18%
Italian	64	9.8%
Arab	27	4.2%

Ancestry	Count	%
Polish	8	1.2%
English	4	0.6%

Technology access

Metric	% of households
Computer access	34.6%
Internet access	97.8%

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

Frequently asked questions

What ZIP codes does Randolph, KS have?

Randolph, KS has one ZIP code: 66554. Each ZIP code serves a distinct delivery area within the city and surrounding region.