57201 ZIP Code — Watertown, SD
Codington County, South Dakota
ZIP code 57201 is located in Watertown, South Dakota, within Codington County. It covers approximately 319.09 square miles and serves a population of 26,119 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.
About ZIP code 57201
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $213,300. Owner-occupancy sits near the national average at 66%.
Median household income is $65,761. 30% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 14 minutes is near the national average.
College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.
26,119
population
319.09
sq mi land
Standard
ZIP type
Central (CT)
timezone
57201 ZIP code map
Cities in ZIP code 57201
Below are the cities the US Postal Service accepts for ZIP code 57201. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Watertown | Acceptable |
| Watertown | Preferred |
Nearby ZIP codes
57235 Florence (10.2 mi)
57243 Henry (13.2 mi)
57263 South Shore (14.1 mi)
57238 Goodwin (14.5 mi)
57242 Hazel (14.6 mi)
57223 Castlewood (17 mi)
57241 Hayti (17.4 mi)
57272 Wallace (17.8 mi)
57264 Stockholm (18.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 26,119 |
| Population density | 82 / sq mi |
| State FIPS | 46 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 319.09 sq mi |
| Water area | 13.98 sq mi |
| Latitude | 44.9485 |
| Longitude | -97.1261 |
| Timezone | Central (CT) |
| Area code | 605 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.1% | 45.0% | 41.7% |
| $50k – $100k | 33.9% | 34.1% | 33.8% |
| $100k – $200k | 17.2% | 17.2% | 20.1% |
| Over $200k | 3.9% | 3.7% | 4.4% |
Demographics & statistics
26,119
Population
82
People per sq mi
39.2
Median age
$65,761
Median household income
$36,265
Per capita income
$213,300
Median home value
$865
Median monthly rent
65.6%
Home ownership
11.2%
Poverty rate
1.6%
Unemployment
8,300
Housing units
20.6%
Bachelor's or higher
Age distribution
Male
Female
717
Under 5
696
851
5–9
827
926
10–14
900
954
15–19
928
797
20–24
774
1,695
25–34
1,647
1,620
35–44
1,574
1,523
45–54
1,481
868
55–59
844
900
60–64
875
1,302
65–74
1,265
779
75–84
757
314
85+
305
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,065 | 23.2% |
| 18 and over | 20,054 | 76.8% |
| 65 and over | 4,722 | 18.1% |
| Median age | 39.2 years | |
Race & ethnicity
White
91%
Two or more races
3.4%
American Indian / Alaska Native
2.4%
Hispanic or Latino
1.3%
Other race
0.8%
Black or African American
0.6%
Asian
0.6%
| Group | Count | % |
|---|---|---|
| White | 24,073 | 91% |
| Two or more races | 892 | 3.4% |
| American Indian / Alaska Native | 625 | 2.4% |
| Hispanic or Latino | 336 | 1.3% |
| Other race | 211 | 0.8% |
| Black or African American | 169 | 0.6% |
| Asian | 149 | 0.6% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.1% | 45.0% | 41.7% |
| $50k – $100k | 33.9% | 34.1% | 33.8% |
| $100k – $200k | 17.2% | 17.2% | 20.1% |
| Over $200k | 3.9% | 3.7% | 4.4% |
Under $10k
5.1%
$10k–$15k
3.7%
$15k–$25k
7.9%
$25k–$35k
6.6%
$35k–$50k
14.8%
$50k–$75k
17.7%
$75k–$100k
16.2%
$100k–$150k
17.7%
$150k–$200k
5.7%
$200k+
4.5%
| Range | % of households |
|---|---|
| Under $10k | 5.1% |
| $10k–$15k | 3.7% |
| $15k–$25k | 7.9% |
| $25k–$35k | 6.6% |
| $35k–$50k | 14.8% |
| $50k–$75k | 17.7% |
| $75k–$100k | 16.2% |
| $100k–$150k | 17.7% |
| $150k–$200k | 5.7% |
| $200k+ | 4.5% |
| Median income | $65,761 |
Housing
Home values
Under $50k
6.3%
$50k–$100k
6.8%
$100k–$150k
13.5%
$150k–$200k
19.6%
$200k–$300k
26.8%
$300k–$500k
19.8%
$500k–$1M
6.6%
$1M+
0.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $213,300 |
| Median rent / month | $865 |
| Owner occupied | 65.6% |
| Renter occupied | 34.4% |
| Vacant | 7.6% |
| Single-family detached | 66.7% |
| Large apartment buildings | 6.5% |
| Mobile homes | 7.6% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.44 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.8% |
| 2010–2019 | 12.1% |
| 2000–2009 | 15.9% |
| 1990–1999 | 13.0% |
| 1980–1989 | 9.7% |
| 1970–1979 | 16.9% |
| 1960–1969 | 5.2% |
| 1950–1959 | 7.4% |
| 1940–1949 | 4.0% |
| 1939 or earlier | 15.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.4% |
| 1 bedroom | 10.4% |
| 2 bedrooms | 29.8% |
| 3 bedrooms | 30.1% |
| 4 bedrooms | 20.7% |
| 5+ bedrooms | 6.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.8% |
| 1 vehicle | 27.2% |
| 2 vehicles | 38.3% |
| 3 or more | 28.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 59.5% |
| Electricity | 34.3% |
| Propane / LP gas | 4.0% |
| Wood | 0.6% |
| No fuel used | 0.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,311 | 47.3% |
| Cohabiting couple | 834 | 7.4% |
| Male householder, no spouse | 2,571 | 22.9% |
| Female householder, no spouse | 2,521 | 22.4% |
| Households with children under 18 | 2,968 | 26.4% |
| Households with seniors (65+) | 3,409 | 30.3% |
| Average household size | 2.27 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.1% | 24.5% |
| Married | 50.6% | 53.5% |
| Separated | 1.2% | 0.8% |
| Widowed | 3.9% | 11.0% |
| Divorced | 9.1% | 10.2% |
Education
Less than 9th grade
3.5%
Some HS, no diploma
5.0%
HS graduate
38.7%
Some college, no degree
18.1%
Associate's degree
14.2%
Bachelor's degree
14.2%
Graduate / professional
6.4%
| Metric | % |
|---|---|
| HS diploma or higher | 91.6% |
| Bachelor's or higher | 20.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 485 | 7.8% |
| Kindergarten | 375 | 6.0% |
| Elementary school | 2,572 | 41.1% |
| High school | 1,473 | 23.5% |
| College / grad school | 1,352 | 21.6% |
Employment
Industry of employment
Education & healthcare
20.1%
Manufacturing
16.8%
Retail trade
14.2%
Arts, food & hospitality
9.3%
Construction
6.6%
Other services
5.6%
Agriculture & mining
5.1%
Finance & real estate
4.9%
Public administration
4.4%
Wholesale trade
4.0%
Professional & management
4.0%
Transportation & utilities
3.1%
Information
1.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 35.2% |
| Service | 14.8% |
| Sales & office | 22.0% |
| Natural resources & construction | 8.9% |
| Production & transportation | 19.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.2% |
| Government | 12.3% |
| Self-employed | 6.3% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 86.7% |
| Carpool | 6.1% |
| Public transit | 0.5% |
| Walk | 0.8% |
| Work from home | 4.7% |
| Other means | 1.2% |
| Avg commute (minutes) | 13.8 |
Poverty
All people
11.2%
Under 18 years
11.6%
18 and over
11.0%
Married-couple families
2.1%
Female-led households
28.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.4% |
| Retirement income | 21.6% |
| Supplemental Security | 2.0% |
| Cash public assistance | 2.0% |
| Food stamps / SNAP | 6.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.8% |
| High blood pressure | 29.3% |
| High cholesterol | 27.0% |
| Diabetes | 8.9% |
| Heart disease | 6.7% |
| Stroke | 3.1% |
| Asthma | 8.7% |
| Arthritis | 23.1% |
| Kidney disease | 2.9% |
| Pulmonary disease | 6.0% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Smoking | 18.6% |
| Binge drinking | 22.4% |
| No physical activity | 24.6% |
| Less than 7 hrs sleep | 28.4% |
| Depression | 16.4% |
| Fair or poor health | 12.2% |
| Poor mental health | 11.2% |
| Poor physical health | 9.0% |
| No health insurance | 11.8% |
| Visited doctor (checkup) | 77.2% |
| Visited dentist | 69.2% |
| Cholesterol screening | 87.2% |
| Teeth loss | 14.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,766 | 8.8% |
| Disability | % |
|---|---|
| Any disability | 11.5% |
| Under 18 | 2.7% |
| 18–64 years | 9.3% |
| 65 and over | 31.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.8% |
| Public insurance | 28.4% |
| No insurance | 7.2% |
| Uninsured under 19 | 5.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 24,706 | 94.6% |
| Spanish | 227 | 0.9% |
| Other Indo-European | 119 | 0.5% |
| Asian & Pacific Islander | 1 | 0.0% |
| Other languages | 5 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 25,627 | 98.1% |
| Born in same state | 25,440 | 97.4% |
| Born in different state | 18,218 | 69.7% |
| Foreign born | 187 | 0.7% |
| Naturalized citizen | 492 | 1.9% |
| Not a US citizen | 80 | 16.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 4,310 | 16.5% |
| Italian | 2,612 | 10% |
| French | 1,481 | 5.7% |
| Arab | 755 | 2.9% |
| Ancestry | Count | % |
|---|---|---|
| English | 737 | 2.8% |
| Dutch | 407 | 1.6% |
| German | 63 | 0.2% |
| Irish | 16 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 43.0% |
| Internet access | 90.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57201
What city is ZIP code 57201 in?
ZIP code 57201 is primarily assigned to Watertown, South Dakota.
What county is ZIP code 57201 in?
ZIP code 57201 falls within Codington County, South Dakota.
What is the population of ZIP code 57201?
ZIP code 57201 has an estimated population of 26,119 residents, with a density of 82 people per square mile.
What is the typical home value in ZIP code 57201?
The median home value in ZIP code 57201 is $213,300.
What is the median household income in ZIP code 57201?
The median household income in ZIP code 57201 is $65,761, below the national median of ~$75,000.
What timezone is ZIP code 57201 in?
ZIP code 57201 observes the CST timezone.