Buffalo Gap ZIP Code List — Custer County, SD

There is one unique ZIP code in Buffalo Gap, South Dakota and it is 57722. Area code: 605.

ZIP codes

544.72

sq mi land

0.66

sq mi water

605

area code

Buffalo Gap, SD ZIP code map

About Buffalo Gap, SD

Buffalo Gap is a small town located in Custer County, South Dakota. This unique community is known for its serene landscapes and picturesque views of the surrounding areas. With a tight-knit population, Buffalo Gap offers a quaint and welcoming atmosphere for both residents and visitors alike.

Location & geography

Buffalo Gap is situated in the southwestern part of South Dakota, surrounded by the natural beauty of the Black Hills. It is approximately 12 miles from the larger city of Custer, which serves as a significant hub for visitors exploring the nearby national parks. The total land area of Buffalo Gap covers 544.72 square miles, complemented by a water area of 0.66 square miles, showcasing a mix of rugged terrain and wildlife.

Community & economy

The community of Buffalo Gap embodies a small-town charm characterized by friendly neighbors and local pride. The economy is primarily supported by agriculture and tourism, attracting visitors interested in outdoor activities and natural wonders. Daily life in Buffalo Gap offers a slower pace, with residents enjoying leisure activities such as hiking, fishing, and exploring the stunning landscapes surrounding them.

Transportation

Traveling to Buffalo Gap is convenient, as it is accessible via several highways, including U.S. Route 385, which runs north-south through the area. The nearest major airport is Rapid City Regional Airport, located approximately 46 miles to the northeast, providing broader access for travelers. Public transit options are limited, reinforcing the town's rural character and encouraging a sense of community among residents.

History

Buffalo Gap was founded during the late 19th century and serves as a testament to the westward expansion and settlement of the area. Key industries historically included cattle ranching and farming, which remain important to the local economy today. Over the years, Buffalo Gap has maintained its heritage while adapting to the changing needs of its community and visitors.

Did you know?

One surprising fact about Buffalo Gap is its proximity to the renowned Badlands National Park, making it an excellent base for outdoor adventurers. Additionally, the town was named after a natural gap in the nearby hills, reflecting its unique geographical features.

ZIP codes for Buffalo Gap, SD (1)

ZIP code	City	County	Map
57722	Buffalo Gap	Custer	View map

Demographics & statistics

143

Population

61.7

Median age

$55,000

Median household income

$31,611

Per capita income

$75,000

Median home value

Median monthly rent

86.3%

Home ownership

3.5%

Poverty rate

4.1%

Unemployment

167

Housing units

21.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	13	9.1%
18 and over	130	90.9%
65 and over	62	43.4%
Median age	61.7 years

Race & ethnicity

White 97.9%

Two or more races 1.4%

American Indian / Alaska Native 0.7%

Group	Count	%
White	140	97.9%
Two or more races	2	1.4%
American Indian / Alaska Native	1	0.7%

Household income

Under $10k 1.3%

$10k–$15k 2.5%

$15k–$25k 31.3%

$25k–$35k 11.3%

$35k–$50k 2.5%

$50k–$75k 12.5%

$75k–$100k 33.8%

$100k–$150k 5.0%

Range	% of households
Under $10k	1.3%
$10k–$15k	2.5%
$15k–$25k	31.3%
$25k–$35k	11.3%
$35k–$50k	2.5%
$50k–$75k	12.5%
$75k–$100k	33.8%
$100k–$150k	5.0%
Median income	$55,000

Housing

Home values

Under $50k 37.7%

$50k–$100k 21.7%

$100k–$150k 21.7%

$150k–$200k 14.5%

$500k–$1M 4.3%

Housing overview

Metric	Value
Median home value	$75,000
Median rent / month	$0
Owner occupied	86.3%
Renter occupied	13.8%
Vacant	55.1%
Single-family detached	83.1%
Large apartment buildings	0.0%
Mobile homes	16.9%
Median rooms	5.2
Avg household size (owned)	1.75

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	1.1%
1990–1999	2.2%
1980–1989	0.0%
1970–1979	10.1%
1960–1969	14.6%
1950–1959	18.0%
1940–1949	5.6%
1939 or earlier	46.6%

Bedrooms

Size	% of units
No bedroom (studio)	18.0%
1 bedroom	3.4%
2 bedrooms	39.3%
3 bedrooms	17.4%
4 bedrooms	12.4%
5+ bedrooms	9.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	15.0%
2 vehicles	45.0%
3 or more	40.0%

Heating fuel

Fuel type	%
Electricity	7.5%
Propane / LP gas	86.3%
Wood	6.3%

Households & families

Household type	Count	%
Married-couple family	31	38.8%
Cohabiting couple	0	0.0%
Male householder, no spouse	29	36.3%
Female householder, no spouse	20	25.0%
Households with children under 18	3	3.8%
Households with seniors (65+)	46	57.5%
Average household size	1.79

Marital status

Status	Male	Female
Never married	6.6%	1.9%
Married	44.7%	61.1%
Separated	6.6%	1.9%
Widowed	7.9%	29.6%
Divorced	34.2%	5.6%

Education

Less than 9th grade 1.6%

Some HS, no diploma 0.0%

HS graduate 35.7%

Some college, no degree 39.7%

Associate's degree 1.6%

Bachelor's degree 15.9%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	21.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	6	60.0%
High school	0	0.0%
College / grad school	4	40.0%

Employment

Industry of employment

Education & healthcare 26.8%

Retail trade 25.4%

Agriculture & mining 15.5%

Other services 14.1%

Professional & management 7.0%

Finance & real estate 4.2%

Manufacturing 2.8%

Transportation & utilities 2.8%

Public administration 1.4%

Occupation

Category	%
Management, business & arts	19.7%
Service	2.8%
Sales & office	33.8%
Natural resources & construction	29.6%
Production & transportation	14.1%

Employment type

Type	%
Private sector	71.8%
Government	14.1%
Self-employed	14.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.7%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	30.8

Poverty

All people 3.5%

Under 18 years 7.7%

18 and over 3.1%

Married-couple families 0.0%

Female-led households 14.3%

Income support

Source	% of households
Social Security	67.5%
Retirement income	53.8%
Supplemental Security	0.0%
Cash public assistance	1.3%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
High blood pressure	39.4%
High cholesterol	34.6%
Heart disease	10.0%
Stroke	4.9%
Asthma	9.7%
Arthritis	29.8%
Kidney disease	4.1%
Pulmonary disease	8.8%
Cancer	8.4%

Behavior / access	%
Binge drinking	16.6%
No physical activity	28.0%
Less than 7 hrs sleep	28.7%
Fair or poor health	16.8%
Poor mental health	11.1%
Poor physical health	12.2%
No health insurance	12.6%
Visited doctor (checkup)	78.0%
Visited dentist	62.7%
Cholesterol screening	90.1%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	56	43.1%

Disability	%
Any disability	27.3%
Under 18	0.0%
18–64 years	2.9%
65 and over	59.7%

Health insurance coverage

Type	%
Private insurance	57.3%
Public insurance	58.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	136	95.1%
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)	140	97.9%
Born in same state	140	97.9%
Born in different state	39	27.3%
Foreign born	0	0.0%
Naturalized citizen	3	2.1%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	69	48.3%
Italian	44	30.8%
Dutch	3	2.1%

Ancestry	Count	%
Polish	2	1.4%
Arab	1	0.7%

Technology access

Metric	% of households
Computer access	55.9%
Internet access	91.3%

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

Frequently asked questions

What is the ZIP code for Buffalo Gap, SD?

Buffalo Gap, SD has one ZIP code: 57722.

What is the main ZIP code for Buffalo Gap, SD?

The primary ZIP code for Buffalo Gap, SD is 57722. The city uses area code 605 for phone service.

What county is Buffalo Gap, SD in?

Buffalo Gap is located in Custer County, South Dakota.

How many ZIP codes are in Buffalo Gap, SD?

Buffalo Gap, SD has 1 ZIP code.

What is the ZIP code for the Buffalo Gap Historic Village area in Buffalo Gap, SD?

The Buffalo Gap Historic Village, a preserved settlement showcasing life in the Old West, is located within ZIP code 57722, which serves the entire Buffalo Gap community in Custer County.

What ZIP code should I use when mailing correspondence to businesses in downtown Buffalo Gap, South Dakota?

All mail addressed to Buffalo Gap should use ZIP code 57722, as this is the only ZIP code that covers the entire town and its business district.