ZIP Code 57421 is associated with the city of Amherst in South Dakota (Marshall County) in the U.S. The median age in 57421 is estimated to at 33.2 years, and about 0.0% of residents are aged 62 years and older. The current population estimate is 77.
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Fair
Regarding household income, approximately 100.0% of the population in 57421 earn $100,000 to $149,999 per year, while an estimated 0.0% earn less than $10,000 per year, and 0.0% of 57421 residents earn $200,000 or more per year.
| Household Income | Percent |
|---|---|
| Less than $10,000 per year | 0.0% |
| $10,000 to $14,999 per year | 0.0% |
| $15,000 to $24,999 per year | 0.0% |
| $25,000 to $34,999 per year | 0.0% |
| $35,000 to $49,999 per year | 0.0% |
| $50,000 to $74,999 per year | 0.0% |
| $75,000 to $99,999 per year | 0.0% |
| $100,000 to $149,999 per year | 100.0% |
| $150,000 to $199,999 per year | 0.0% |
| $200,000 or more per year | 0.0% |
In ZIP Code 57421, 100.0% of the population graduated high school, while 100.0% have a bachelor's degree or higher. In this region, 0.0% achieved an education level less than 9th grade, while 75.0% hold a graduate or professional degree. Approximately 0.0% in this Marshall County region reached the highest level of high school graduate (including equivalency).
| Education Level | Percent |
|---|---|
| Less than 9th grade | 0.0% |
| 9th to 12th grade, no diploma | 0.0% |
| High school graduate (includes equivalency) | 0.0% |
| Some college, no degree | 0.0% |
| Associate's degree | 0.0% |
| Bachelor's degree | 25.0% |
| Graduate or professional degree | 75.0% |
Looking at race in the population that makes up ZIP Code 57421, 100.0% is one race, while 0.0% are two or more races. Approximately 0.0% of 57421 residents are hispanic or Latino (of any race). The most common race in 57421 (race alone or in combination with one or more other races), is White (100.0%), followed by Black or African American (0.0%) .
| Industry | Percent |
|---|---|
| White | 100.0% |
| Black or African American | 0.0% |
| American Indian and Alaska Native | 0.0% |
| Asian | 0.0% |
| Native Hawaiian and Other Pacific Islander | 0.0% |
| Some other race | 0.0% |
Residents of ZIP Code 57421 are younger than average. The median age of 33.2 years in ZIP Code 57421 is approximately 12.86% lower than the overall median age in the U.S. of 38.1 years. About 51.9% of residents are aged 18 years and older, and 0.0% of residents are 62 years and over. Approximately 33.8% of the population in 57421 falls in the age group 5 to 9 years, while an estimated 27.3% are aged 35 to 44 years. On the low end of the scale, 0.0% of 57421 residents are aged 85 years and over.
| Age Range | Percent |
|---|---|
| Under 5 years | 0.0% |
| 5 to 9 years | 33.8% |
| 10 to 14 years | 14.3% |
| 15 to 19 years | 0.0% |
| 20 to 24 years | 0.0% |
| 25 to 34 years | 24.7% |
| 35 to 44 years | 27.3% |
| 45 to 54 years | 0.0% |
| 55 to 59 years | 0.0% |
| 60 to 64 years | 0.0% |
| 65 to 74 years | 0.0% |
| 75 to 84 years | 0.0% |
| 85 years and over | 0.0% |
Regarding the age of homes in ZIP Code 57421, an estimated 78.8% of homes were built between 1950 and 1959. Additionally, 21.2% of homes in the region were built in 1939 or earlier, while an estimated 0.0% of homes were built between 1940 and 1949 in this Marshall County region.
| Year Home Built | Percent |
|---|---|
| Built in 2014 or later | 0.0% |
| Built between 2010 and 2013 | 0.0% |
| Built between 2000 and 2009 | 0.0% |
| Built between 1990 and 1999 | 0.0% |
| Built between 1980 and 1989 | 0.0% |
| Built between 1970 and 1979 | 0.0% |
| Built between 1960 and 1969 | 0.0% |
| Built between 1950 and 1959 | 78.8% |
| Built between 1940 and 1949 | 0.0% |
| Built in 1939 or earlier | 21.2% |
In ZIP Code 57421, 100.0% of the population lists "English only" as the language spoken in home, while 0.0% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 0.0% of homes, and other Indo-European languages are spoken in 0.0% of homes. Lastly, 0.0% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Marshall County region.
| Language Spoken | Percent |
|---|---|
| English only | 100.0% |
| Spanish | 0.0% |
| Other Indo-European languages | 0.0% |
| Asian and Pacific Islander languages | 0.0% |
| Other languages | 0.0% |
Regarding solar power potential, ZIP Code 57421 has an average daily solar radiation level of 4.86 kWh/m2/day. This is approximately 17.96% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 26.25% less than an area in the U.S. with historically high solar radiation levels (AZ).
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 57421 | 8.77¢/kWh | 8.21¢/kWh | 5.74¢/kWh |
| South Dakota | 13.81¢/kWh | 11.29¢/kWh | 8.67¢/kWh |
| United States | 17.78¢/kWh | 13.19¢/kWh | 8.44¢/kWh |
| Month | ZIP Code 57421 | Low (WA) | High (AZ) |
|---|---|---|---|
| Jan | 3.07 | 1.9 | 5.84 |
| Feb | 4.15 | 3 | 6.31 |
| Mar | 4.94 | 3.65 | 7.02 |
| Apr | 5.66 | 5.13 | 7.3 |
| May | 5.66 | 5.17 | 7.13 |
| Jun | 6.07 | 5.72 | 6.95 |
| Jul | 6.6 | 6.22 | 6.51 |
| Aug | 6.19 | 6.08 | 6.65 |
| Sep | 5.55 | 5.15 | 7.02 |
| Oct | 4.37 | 3.32 | 6.92 |
| Nov | 3.41 | 2.33 | 5.99 |
| Dec | 2.61 | 1.78 | 5.46 |