Highmore ZIP Codes — Hyde County, SD

There is one unique ZIP code in Highmore, South Dakota and it is 57345. Area code: 605.

ZIP codes

646.28

sq mi land

2.86

sq mi water

605

area code

Highmore, SD ZIP code map

About Highmore, SD

Highmore, South Dakota, is a small city located in Hyde County. Known for its rural charm and strong sense of community, it offers a glimpse into the heart of American small-town life. With a rich agricultural landscape surrounding it, Highmore embodies the spirit of South Dakota’s plains.

Location & geography

Highmore is situated in central South Dakota, approximately 70 miles northwest of the city of Pierre and about 76 miles south of Aberdeen. The city covers a vast area of 646.28 square miles, with a small portion of 2.86 square miles consisting of water. The terrain is primarily characterized by rolling plains and open fields, making it a picturesque representation of the South Dakota countryside.

Community & economy

Highmore has a close-knit community that takes pride in its heritage and traditions. Agriculture remains a key industry, alongside small businesses that contribute to the local economy. Daily life in Highmore often revolves around community events, local schools, and recreational activities that foster connections among residents.

Transportation

Highway 34 runs through Highmore, providing vital north-south connections in South Dakota. The nearest major airport is the Pierre Regional Airport, located about 70 miles away, facilitating travel for residents and visitors alike. The rural setting means that personal vehicles are the primary mode of transportation in the area.

History

Founded in the late 19th century, Highmore emerged as a vital hub for the surrounding agricultural community in Hyde County. Over the years, the city has been shaped by its agricultural output, serving as a market for farmers and ranchers in the region. Notable events in its history reflect its development, including the establishment of local schools and support for farming initiatives.

Did you know?

One surprising fact about Highmore is that it's named after the first postmaster, who has roots in Highland, Illinois. Additionally, the city is home to significant historical landmarks that highlight its agrarian past.

ZIP codes for Highmore, SD (1)

ZIP code	City	County	Map
57345	Highmore	Hyde	View map

Demographics & statistics

1,094

Population

45.3

Median age

$71,397

Median household income

$35,360

Per capita income

$91,300

Median home value

$863

Median monthly rent

84.8%

Home ownership

6.0%

Poverty rate

0.9%

Unemployment

470

Housing units

18.4%

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

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	260	23.8%
18 and over	834	76.2%
65 and over	299	27.3%
Median age	45.3 years

Race & ethnicity

White 88.3%

Two or more races 7.2%

Hispanic or Latino 4.5%

Group	Count	%
White	1,011	88.3%
Two or more races	83	7.2%
Hispanic or Latino	51	4.5%

Household income

Under $10k 1.3%

$10k–$15k 1.8%

$15k–$25k 6.6%

$25k–$35k 7.3%

$35k–$50k 13.5%

$50k–$75k 22.3%

$75k–$100k 20.8%

$100k–$150k 15.0%

$150k–$200k 8.4%

$200k+ 3.1%

Range	% of households
Under $10k	1.3%
$10k–$15k	1.8%
$15k–$25k	6.6%
$25k–$35k	7.3%
$35k–$50k	13.5%
$50k–$75k	22.3%
$75k–$100k	20.8%
$100k–$150k	15.0%
$150k–$200k	8.4%
$200k+	3.1%
Median income	$71,397

Housing

Home values

Under $50k 18.2%

$50k–$100k 38.8%

$100k–$150k 17.4%

$150k–$200k 6.0%

$200k–$300k 9.6%

$300k–$500k 8.6%

$500k–$1M 1.3%

Housing overview

Metric	Value
Median home value	$91,300
Median rent / month	$863
Owner occupied	84.8%
Renter occupied	15.2%
Vacant	16.0%
Single-family detached	87.9%
Large apartment buildings	0.0%
Mobile homes	9.5%
Median rooms	6.2
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.0%
2010–2019	3.0%
2000–2009	2.0%
1990–1999	7.8%
1980–1989	4.1%
1970–1979	12.1%
1960–1969	16.7%
1950–1959	15.6%
1940–1949	6.1%
1939 or earlier	32.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.6%
2 bedrooms	23.9%
3 bedrooms	46.4%
4 bedrooms	15.6%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	16.6%
2 vehicles	43.9%
3 or more	39.5%

Heating fuel

Fuel type	%
Utility gas	0.9%
Electricity	43.5%
Propane / LP gas	39.7%
Fuel oil	7.3%
Solar	2.2%

Households & families

Household type	Count	%
Married-couple family	289	63.8%
Cohabiting couple	38	8.4%
Male householder, no spouse	44	9.7%
Female householder, no spouse	82	18.1%
Households with children under 18	134	29.6%
Households with seniors (65+)	181	40.0%
Average household size	2.32

Marital status

Status	Male	Female
Never married	22.2%	14.6%
Married	68.8%	62.2%
Separated	2.5%	1.8%
Widowed	0.0%	13.9%
Divorced	6.5%	7.5%

Education

Less than 9th grade 3.4%

Some HS, no diploma 6.8%

HS graduate 31.2%

Some college, no degree 17.8%

Associate's degree 22.4%

Bachelor's degree 16.1%

Graduate / professional 2.3%

Metric	%
HS diploma or higher	89.8%
Bachelor's or higher	18.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	25	11.1%
Kindergarten	17	7.6%
Elementary school	105	46.7%
High school	48	21.3%
College / grad school	30	13.3%

Employment

Industry of employment

Agriculture & mining 24.2%

Education & healthcare 20.5%

Retail trade 9.1%

Information 7.7%

Arts, food & hospitality 6.2%

Other services 5.7%

Transportation & utilities 5.2%

Construction 4.8%

Public administration 4.8%

Wholesale trade 3.9%

Manufacturing 3.0%

Finance & real estate 2.7%

Professional & management 2.1%

Occupation

Category	%
Management, business & arts	41.7%
Service	11.6%
Sales & office	14.1%
Natural resources & construction	17.8%
Production & transportation	14.8%

Employment type

Type	%
Private sector	59.0%
Government	19.3%
Self-employed	20.1%
Unpaid family workers	1.6%

Commute

Method	%
Drive alone	74.2%
Carpool	7.0%
Public transit	1.8%
Walk	5.9%
Other means	1.8%
Avg commute (minutes)	13.1

Poverty

All people 6.0%

Under 18 years 6.9%

18 and over 5.7%

Married-couple families 0.0%

Female-led households 40.0%

Income support

Source	% of households
Social Security	44.8%
Retirement income	13.9%
Supplemental Security	6.2%
Cash public assistance	0.7%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
High blood pressure	35.0%
High cholesterol	33.7%
Heart disease	8.2%
Stroke	3.6%
Asthma	8.4%
Arthritis	27.0%
Kidney disease	3.4%
Pulmonary disease	6.4%
Cancer	9.2%

Behavior / access	%
Binge drinking	17.8%
No physical activity	23.1%
Less than 7 hrs sleep	26.1%
Fair or poor health	11.3%
Poor mental health	9.5%
Poor physical health	8.9%
No health insurance	11.1%
Visited doctor (checkup)	77.4%
Visited dentist	70.3%
Cholesterol screening	90.8%
Teeth loss	12.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	62	7.4%

Disability	%
Any disability	10.6%
Under 18	6.5%
18–64 years	6.4%
65 and over	23.4%

Health insurance coverage

Type	%
Private insurance	76.1%
Public insurance	32.5%
Uninsured under 19	6.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,013	92.6%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,094	100.0%
Born in same state	1,094	100.0%
Born in different state	854	78.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	134	12.2%
Italian	118	10.8%
French	85	7.8%
Arab	63	5.8%

Ancestry	Count	%
English	13	1.2%
Dutch	3	0.3%
German	1	0.1%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	90.5%

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

Frequently asked questions

What ZIP codes does Highmore, SD have?

Highmore, SD has one ZIP code: 57345. Each ZIP code serves a distinct delivery area within the city and surrounding region.