| City: | Akaska, South Dakota |
| County: | Walworth County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:49:45 AM |
| Population: | 111 [See All] |
| Area Code: | 605 |
| Classification: | PO Box |
| Coordinates: | 45.3190, -100.1742 |
| Land Area: | 44.273 sq mi |
| Quick Link: |
The post office serves 54 households through a single rural carrier route. Mail reaches addresses along Swan Creek Road, Main Street, and scattered properties on numbered avenues like 302nd and 303rd. With 33 PO Box records and 52 rural delivery points, residents have options for how they receive mail. The median household income sits at $41,250, and the median home value is $79,800.
Street names reflect a simple small-town layout with a Main Street core and scattered rural properties on numbered avenues in the 300s and streets in the 140s. Swan Creek Road references local geography.
ZIP Code 57420 has 111 residents and 54 households (average 2.06 persons per household). The median age is 63.6 years, significantly older than the state (37.7) and significantly older than the nation (38.8). The gender split is 55.9% male and 44.1% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (93.7%, much higher than the state average of 80.7% and well above the national average of 61.6%) and American Indian & Alaska Native (2.7%, lower than the state average of 8.8%); Hispanic or Latino residents make up 0.0%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 111Source: Census DHC |
| 2024 ACS Population Estimate: | 260Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 2.5 people per sq mile |
| Average Income: | $40,469Source: Census ACS |
| Households: | 54Source: Census DHC |
| Average House Value: | $79,000Source: Census ACS |
| Persons Per Household: | 2.06Source: Census DHC |
| Average Family Size: | 3.41Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 111 | 115 | 121 | 61 | 57 | 59 | 71 | 68 | 89 | 139 | 140 | 186 | 221 | 260 |
| Decennial Census | 75 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 111 | -- | -- | -- | -- |
Median Age: 63.6
Male Median Age: 60.5
Female Median Age: 64.4
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 4 | 3 | 4 | 2 | 0 | 0 | 6 | 4 | 2 | 0 | 1 | 5 | 8 | 9 | 1 | 7 | 3 | 3 |
| Female | 0 | 4 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 2 | 1 | 5 | 9 | 11 | 2 | 6 | 0 | 3 |
| Total | 4 | 7 | 5 | 2 | 0 | 0 | 10 | 5 | 2 | 2 | 2 | 10 | 17 | 20 | 3 | 13 | 3 | 6 |
| White: | 104 | 97.20% |
| Black: | 0 | 0% |
| Hispanic:* | 0 | 0% |
| Asian: | 0 | 0% |
| American Indian: | 3 | 2.80% |
| Hawaiian: | 0 | 0% |
| Other: | 0 | 0% |
| Total: | 107 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 62 | 55.86% | 60.5 years |
| Females: | 49 | 44.14% | 64.4 years |
| Total: | 111 | 100% | 63.6 years |
| Native, born in the United States: | 260 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 260 | 100% |
| Total Native Population: | 260 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $40,469, which is far less than the national median ($80,734), is up $10,864 (36.7%) since 2011 and below its 2019 pre-pandemic level by $13,281. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $0 that has widened from 2011 to 2024. The labor-force participation rate is 51.5%, which is considerably lower than the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (63.1%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $29,605 | $30,341 | $29,875 | $47,917 | $50,833 | $51,750 | $51,875 | $54,000 | $53,750 | $0 | $34,844 | $45,417 | $41,250 | $40,469 |
| Median Family Income | $30,625 | $31,364 | $31,667 | $47,917 | $0 | $21,750 | $0 | $0 | $49,583 | $0 | $0 | $52,788 | $0 | $0 |
| Median NonFamily Income | $26,250 | $23,750 | $12,292 | $37,500 | $65,313 | $65,250 | $60,000 | $54,250 | $70,089 | $0 | $34,000 | $36,667 | $40,952 | $0 |
| Median Male Income | $0 | $0 | $0 | $0 | $0 | $49,375 | $45,000 | $51,250 | $43,571 | $0 | $2,499 | $0 | $0 | $0 |
| Median Female Income | $50,625 | $52,813 | $0 | $0 | $0 | $0 | $0 | $0 | $42,500 | $0 | $0 | $0 | $0 | $0 |
| Employed: | 84 | 51.53% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 79 | 48.47% |
| Total: | 163 | 100% |
| Management, business, science, and arts: | 53 | 63.10% |
| Service: | 3 | 3.57% |
| Sales and Office: | 3 | 3.57% |
| Natural resources, construction, and maintenance: | 0 | 0.00% |
| Production, transportation, and material moving: | 25 | 29.76% |
| Total Civilian Employed Population: | 84 | 100% |
In 2024, the median home value is $79,000, which is far less than the national median ($332,700), is up $43,600 (123.16%) since 2011 and below its 2019 pre-pandemic level by $3,500. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 65.42% (40.00% with a mortgage, 60.00% free-and-clear) and renters 34.58% - making this ZIP Code under national rental averages. The vacancy rate is 44.56%, which is considerably higher than the national rate (10.12%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $35,400 | $36,900 | $35,500 | $18,000 | $0 | $104,200 | $0 | $0 | $82,500 | $105,600 | $109,400 | $102,800 | $79,800 | $79,000 |
| Less than $500: | 0 | 0.00% |
| $500 to $999: | 23 | 62.16% |
| $1,000 to $1,499: | 0 | 0.00% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 12 | 32.43% |
| No Rent: | 2 | 5.41% |
| Total: | 37 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 28 | 26.17% |
| Owner Occupied (free and clear, no mortgage): | 42 | 39.25% |
| Renter Occupied: | 37 | 34.58% |
| Total Occupied Housing Units: | 107 | 100% |
| Occupied Housing Units: | 107 | 55.44% |
| Vacant Housing Units (not graphed): | 86 | 44.56% |
| Total Housing Units: | 193 | 100% |
| Single-Family Units: | 82 | 42.49% |
| Multi-Family Units: | 23 | 11.92% |
| Other Units: | 88 | 45.60% |
| Total Housing Units: | 193 | 100% |
In 2024, 36.90% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 97.50%, which is far higher than the national rate (89.60%). The uninsured rate is 61.20%, which is far higher than the national rate (8.40%). Private coverage is 27.70%, which is far lower than the national rate (67.10%). The share of people in poverty is 35.80%, which is comparable to the national rate (8.80%), up 30.10 percentage points since 2011 and above its 2019 pre-pandemic level by 38.00 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is kindergarten (37.50%). College enrollment is 37.50%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 1 | 0.82% |
| 9th to 12th grade, no diploma: | 2 | 1.64% |
| High school graduate (includes equivalency): | 24 | 19.67% |
| Some college, no degree: | 41 | 33.61% |
| Associate's degree: | 9 | 7.38% |
| Bachelor's degree: | 43 | 35.25% |
| Graduate or professional degree: | 2 | 1.64% |
| Total: | 122 | 100% |
| High school or higher: | 119 | 97.54% |
| Bachelor's degree or higher: | 45 | 36.89% |
| Private Insurance: | 72 | 24.49% |
| Public Insurance: | 63 | 21.43% |
| No Insurance: | 159 | 54.08% |
| Total: | 294 | 100% |
| Has Health Insurance: | 135 | 45.92% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 7.9% | 8.3% | 11.1% | 15.8% | 37.5% | 0.0% | 0.0% | 0.0% | 0.0% | 35.3% | 34.9% | 32.7% | 38.0% | 35.8% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 18 | 37.50% |
| Elementary school (grades 1-8): | 11 | 22.92% |
| High school (grades 9-12): | 1 | 2.08% |
| College or graduate school: | 18 | 37.50% |
| Total: | 48 | 100% |
| Early Childhood: | 18 | 37.50% |
| K-12 (Primary & Secondary School): | 30 | 62.50% |
ZIP Code 57420 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 9 people with an annual payroll of $197,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 80Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $25,000Source: CBP |
| Annual Payroll: | $197,000Source: CBP |
| # of Employees: | 9Source: CBP |
ZIP Code 57420 is located in Walworth County, South Dakota, within the Metropolitan Statistical Area (CBSA ). This area has a population of 0 people, about 0.00% of whom live in ZIP Code 57420. It covers 44.273 sq mi of land and a water area of 0.021 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 44.273 sq miSource: Census |
| Water Area: | 0.021 sq miSource: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4600540Source: Census |
| Place Name: | Akaska town; South DakotaSource: Census |
We could not locate which school district 57420 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.