PlainZIP

Belvidere, SD · standard

ZIP Code 57521

Jackson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

167
0/sq mi
$57,813
Median income
25.1%
Bachelor's or higher

The verdict

Belvidere pairs a below-median household income, in a rural, mixed-tenure area.

25th pct
household income, US ZIPs
0
people per sq mi
52%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57521 against every reporting US ZIP.

ZIP code 57521 is a sparsely populated ZIP (a standard USPS delivery area) in Belvidere, Jackson County, South Dakota, home to just 167 residents across 835.0 square miles, a density of 0 people per square mile, in the Denver time zone.

ZIP 57521 reports a modest median household income of $57,813 (25% below the South Dakota average), while per-capita income is $28,092. Poverty here runs at 19.5%, with unemployment measured at 0.0%. Median home value sits at -, median rent at - a month, and owner-occupancy at 52.3%.

Educational attainment sits below the national norm: 25.1% of adults hold a bachelor's degree or higher, the median age is 30, and the average commute is -. The state and national benchmarks above give 57521's numbers context; they should not be read in isolation.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57521, Belvidere, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

167

Population

835.0

Area (sq mi)

0

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57521?

30.0

Median Age

56.7%

Male

43.3%

Female

0.0%

Foreign-Born

White 56.7%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 40.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$57,813

Median Household Income

-25% vs state

$28,092

Per Capita Income

19.5%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 57521 ranks nationally

Belvidere, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$57,813 25th percentile higher than 25% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 74.3%
Bachelor's Degree or Higher 25.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

105

Total Housing Units

65

Occupied Units

40

Vacant Units

4.83

Avg Household Size

Occupancy Type

Owner 52.3%
Renter 47.7%

1953

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

More ZIP Codes in Jackson County

57577 standard
Wanblee, SD
Pop: 1,211
57543 standard
Kadoka, SD
Pop: 870
57750 standard
Interior, SD
Pop: 295
57547 standard
Long Valley, SD
Pop: 139

Related Areas

Jackson County Belvidere, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57521 in? ▼
ZIP code 57521 (Belvidere) is located in Jackson County, South Dakota. Jackson County contains multiple ZIP codes, see the full list at /counties/jackson-sd.
What is the population of ZIP code 57521? ▼
ZIP code 57521 in Belvidere, SD has a population of 167 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57521? ▼
The median household income in ZIP 57521 is $57,813, which is 24% below the national average of $76,288.
What is the demographic makeup of ZIP 57521? ▼
The largest racial group in ZIP 57521 is White at 56.7%.
What is the education level in ZIP code 57521? ▼
In ZIP code 57521, 74.3% of residents aged 25+ have a high school diploma or higher, and 25.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57521? ▼
In ZIP code 57521, approximately 52.3% of occupied housing units are owner-occupied and 47.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57521? ▼
The poverty rate in ZIP code 57521 is 19.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.