Florence ZIP Codes — Codington County, SD

There is one unique ZIP code in Florence, South Dakota and it is 57235. Area code: 605.
1
ZIP codes
131.68
sq mi land
8.24
sq mi water
605
area code
Florence, SD ZIP code map

About Florence, SD

Florence is a small community located in Codington County in the northeastern corner of South Dakota, served by the single ZIP code 57235. Nestled amid the glacial lakes and rolling prairies that define this part of the Great Plains, Florence offers residents a quiet, rural lifestyle deeply rooted in agricultural tradition. The community is part of the broader northeastern South Dakota region, which is known for its outdoor recreation, farming heritage, and tight-knit small-town character.

Location & geography

Florence is situated in Codington County in northeastern South Dakota, a region characterized by glacially shaped terrain, wetlands, and numerous small lakes. The city lies within reasonable driving distance of Watertown, the county seat and largest city in the area, located roughly 15 to 20 miles to the south along the U.S. Highway 212 corridor. The total area of the Florence community encompasses 131.68 square miles of land and 8.24 square miles of water, reflecting the abundance of lakes, ponds, and wetlands typical of this glacially carved landscape.

Community & economy

Florence embodies the spirit of rural Great Plains living, where agriculture is the cornerstone of the local economy and neighbors rely on one another through the seasons. Farming operations focused on corn, soybeans, wheat, and sunflowers are common throughout the surrounding countryside, and many residents are tied directly or indirectly to the agricultural industry. Daily life in Florence revolves around community gatherings, local schools, and the natural surroundings that provide opportunities for hunting, fishing, and outdoor recreation throughout the year.

Transportation

Florence is accessible via U.S. Highway 212, a major east-west corridor that connects northeastern South Dakota to communities across the region and beyond. State and county roads provide additional access throughout the rural landscape surrounding the community. The nearest commercial airport serving the area is Watertown Regional Airport, located in Watertown, South Dakota, which offers regional flight connections for residents needing air travel.

History

Florence was established as part of the wave of settlement that swept through Dakota Territory in the late nineteenth century, driven largely by the extension of the railroad and the promise of fertile agricultural land. Like many communities in Codington County, Florence grew as homesteaders arrived to farm the productive glacial plains of northeastern South Dakota. Agriculture has remained the defining industry of the area since its founding, shaping both the landscape and the culture of the community across generations.

Did you know?

One of the lesser-known aspects of the Florence area is the remarkable ratio of water to land within its boundaries — with over 8 square miles of water area, the community sits within one of South Dakota's most lake-rich regions, making it a quiet haven for waterfowl hunters and anglers who seek less-traveled fishing spots. This abundance of wetlands also makes the area an important habitat corridor for migratory birds along the Central Flyway, drawing wildlife enthusiasts from across the region each spring and fall.

ZIP codes for Florence, SD (1)
ZIP code City County Map
57235 Florence Codington View map

Demographics & statistics

843
Population
49.1
Median age
$71,786
Median household income
$33,678
Per capita income
$217,100
Median home value
$844
Median monthly rent
88.8%
Home ownership
7.3%
Poverty rate
1.2%
Unemployment
314
Housing units
16.4%
Bachelor's or higher

Age distribution

Male Female
28
Under 5
26
47
5–9
45
30
10–14
29
7
15–19
6
11
20–24
11
26
25–34
24
54
35–44
52
63
45–54
60
32
55–59
30
25
60–64
23
64
65–74
60
30
75–84
29
16
85+
15
← Male
Female →

Age summary

GroupCount%
Under 1821425.4%
18 and over62974.6%
65 and over21425.4%
Median age49.1 years

Race & ethnicity

White 92.7%
American Indian / Alaska Native 3.1%
Two or more races 1.8%
Asian 0.9%
Hispanic or Latino 0.8%
Other race 0.7%
GroupCount%
White78892.7%
American Indian / Alaska Native263.1%
Two or more races151.8%
Asian80.9%
Hispanic or Latino70.8%
Other race60.7%

Household income

Under $10k 2.9%
$10k–$15k 0.3%
$15k–$25k 3.5%
$25k–$35k 11.5%
$35k–$50k 13.1%
$50k–$75k 21.8%
$75k–$100k 11.5%
$100k–$150k 25.3%
$150k–$200k 7.1%
$200k+ 2.9%
Range% of households
Under $10k2.9%
$10k–$15k0.3%
$15k–$25k3.5%
$25k–$35k11.5%
$35k–$50k13.1%
$50k–$75k21.8%
$75k–$100k11.5%
$100k–$150k25.3%
$150k–$200k7.1%
$200k+2.9%
Median income$71,786

Housing

Home values

Under $50k 7.6%
$50k–$100k 10.8%
$100k–$150k 16.2%
$150k–$200k 13.0%
$200k–$300k 30.0%
$300k–$500k 14.1%
$500k–$1M 7.2%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$217,100
Median rent / month$844
Owner occupied88.8%
Renter occupied11.2%
Vacant10.6%
Single-family detached84.8%
Large apartment buildings0.0%
Mobile homes9.5%
Median rooms7.1
Avg household size (owned)2.77

Year built

Era%
2020 or later0.0%
2010–20197.7%
2000–200917.2%
1990–199919.2%
1980–19890.9%
1970–197917.8%
1960–19693.7%
1950–19592.9%
1940–19492.9%
1939 or earlier27.8%

Bedrooms

Size% of units
No bedroom (studio)2.6%
1 bedroom5.7%
2 bedrooms12.6%
3 bedrooms38.1%
4 bedrooms29.2%
5+ bedrooms11.7%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle12.2%
2 vehicles37.8%
3 or more48.4%

Heating fuel

Fuel type%
Utility gas1.0%
Electricity49.0%
Propane / LP gas45.8%
Fuel oil2.9%

Households & families

Household typeCount%
Married-couple family21970.2%
Cohabiting couple103.2%
Male householder, no spouse4715.1%
Female householder, no spouse3611.5%
Households with children under 189028.8%
Households with seniors (65+)12740.7%
Average household size2.70

Marital status

StatusMaleFemale
Never married16.8%12.9%
Married74.0%74.9%
Separated0.0%0.3%
Widowed3.9%8.1%
Divorced5.3%3.9%

Education

Less than 9th grade 2.5%
Some HS, no diploma 0.8%
HS graduate 51.1%
Some college, no degree 13.4%
Associate's degree 15.8%
Bachelor's degree 10.9%
Graduate / professional 5.5%
Metric%
HS diploma or higher96.7%
Bachelor's or higher16.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool148.3%
Kindergarten158.9%
Elementary school11467.9%
High school1810.7%
College / grad school74.2%

Employment

Industry of employment

Manufacturing 26.8%
Agriculture & mining 14.6%
Education & healthcare 13.9%
Retail trade 12.7%
Arts, food & hospitality 8.9%
Construction 7.2%
Information 4.5%
Finance & real estate 3.8%
Transportation & utilities 2.9%
Wholesale trade 1.7%
Professional & management 1.4%
Other services 1.0%
Public administration 0.7%

Occupation

Category%
Management, business & arts38.0%
Service7.7%
Sales & office24.6%
Natural resources & construction10.5%
Production & transportation19.1%

Employment type

Type%
Private sector78.5%
Government9.1%
Self-employed11.2%
Unpaid family workers1.2%

Commute

Method%
Drive alone78.3%
Carpool5.5%
Public transit0.0%
Walk3.4%
Other means0.0%
Avg commute (minutes)24.5

Poverty

All people 7.3%
Under 18 years 11.2%
18 and over 5.9%
Married-couple families 4.6%
Female-led households 7.1%

Income support

Source% of households
Social Security42.6%
Retirement income17.6%
Supplemental Security0.6%
Cash public assistance0.0%
Food stamps / SNAP3.5%

Health indicators

Condition%
High blood pressure30.2%
High cholesterol28.6%
Heart disease6.6%
Stroke3.0%
Asthma8.2%
Arthritis23.4%
Kidney disease2.8%
Pulmonary disease5.7%
Cancer7.2%
Behavior / access%
Binge drinking22.6%
No physical activity23.4%
Less than 7 hrs sleep28.8%
Fair or poor health11.2%
Poor mental health10.4%
Poor physical health8.7%
No health insurance10.9%
Visited doctor (checkup)77.2%
Visited dentist71.2%
Cholesterol screening89.6%
Teeth loss12.2%

Veterans & disability

VeteransCount%
Civilian veterans599.4%
Disability%
Any disability11.7%
Under 181.4%
18–64 years5.6%
65 and over34.0%

Health insurance coverage

Type%
Private insurance71.3%
Public insurance31.3%
Uninsured under 195.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only78993.6%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)83599.1%
Born in same state83599.1%
Born in different state72586.0%
Foreign born00.0%
Naturalized citizen80.9%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish17020.2%
Italian708.3%
Arab425%
AncestryCount%
French273.2%
Dutch151.8%
English30.4%

Technology access

Metric% of households
Computer access37.0%
Internet access94.2%

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

Frequently asked questions
What ZIP codes does Florence, SD have?
Florence, SD has one ZIP code: 57235. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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