Residential delivery area · South Dakota
ZIP Code 57520: Agar, SD
ZIP code 57520 uses the postal name Agar, South Dakota and lies entirely in Sully County (Census 2020 ZIP-county file). About 120 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,417 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Agar; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Agar · its only residential ZIP
- County
- Sully County
- Census places
- Agar
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 157.4 sq mi · under 1 person per sq mi
Where is ZIP code 57520?
57520 centers on 44.853°, -100.194° and covers 157.4 square miles of land plus 0.3 of water. It borders 3 ZIP codes: 57564, 57442, 57501.
The map draws ZIP code areas only. For the streets inside 57520, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 57520 compare with the rest of Sully County?
| Measure | 57520 | In Sully County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 118 | 6th of 6 | 340th of 375 |
| Median household income | $50k | not ranked | not ranked |
| Median home value | $119k | not ranked | not ranked |
57520's income and home value are not ranked: it has fewer than 1,000 residents (118). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 4% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 57520?
The 2020 Census counted 142 people in 57520; the ACS, which samples households over 2020-2024, estimates 118. Between the 2010 and 2020 censuses its population fell 7.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 118±40 (90% margin)
- 2020 Census count
- 142−7.2% since 2010 (153)
- Households
- 77
- Median age
- 54.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 57520?
Of the 118 people the ACS estimates in 57520, 7.6% are under 18 and 38.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.2%), then Other or two or more (17.8%).
- Under 187.6%
- 18 to 6454.2%
- 65 and older38.1%
- White, not Hispanic82.2%
- Other or two or more17.8%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 57520 earn?
Median household income is $50,417 (ACS 2020-2024). It is not measurably different from 2015-2019 ($57,515 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $50,417±$28,201
- Income per person
- $41,566
- Below the poverty line
- 14.4%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 34.0%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 57520?
- Median home value (owners' estimate)
- $118,800
- Median gross rent
- –
- Homes owned by their occupants
- 66.2%
- Housing units
- 139
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57520?
6 business establishments had a location in this ZIP code in 2023, 1 more than in 2018 (ZIP Code Business Patterns).
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 57520?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57564 | Onida | 962 | $74k | 11.7 mi |
| 57442 | Gettysburg | 1,772 | $66k | 14.5 mi |
| 57501 | Pierre | 17,326 | $82k | 23.2 mi |
| 57522 | Blunt | 521 | $72k | 26.2 mi (near) |
| 57455 | Lebanon | 137 | $86k | 27.2 mi (near) |
| 57420 | Akaska | 260 | $41k | 29.7 mi (near) |
| 57450 | Hoven | 624 | $87k | 30.5 mi (near) |
| 57652 | Ridgeview | 265 | $19k | 30.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.