Each edition grades its towns against each other only.
A town of 118.
Andover Township’s January low is 3°F, below both South Dakota’s towns (9°F) and U.S. towns (22°F). The biggest park or preserve is Amsden Dam Lakeside Use Area, at 146 acres. Andover Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 232 in 1890, a peak of 446 in 1910, 66 in 2020. The archive holds 8 old photos and papers going back to 1903 and 3 maps from 1958 on.
Explore the history →Who provides power, water and the rest in Andover Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
Ordered by what stands out in Andover Township.
At 18 of 100, Andover Township’s FEMA risk score is where South Dakota’s towns sit at 54 of 100 and U.S. towns at 44 of 100.
FEMA National Risk Index · OpenFEMA
Adults 35 to 64 are 44% of residents (36% statewide); adults 18 to 34 are 15% of residents (22% statewide). Andover Township has grown 4.4% since 2020, to 118 residents in the Census Bureau’s 2025 estimate. 33% of adults 25 and older have a bachelor’s degree or more, vs 32% across South Dakota.
Somewhere between 26% and 97% women
The Census survey reached too few of Andover Township’s residents to say more: its margin here is ±35.2 points. Across South Dakota, 49.2% of residents are women.
| Andover Township | SD | U.S. | |
|---|---|---|---|
| Under 10 | 27.9% | 13.1% | 11.6% |
| 10 to 17 | 0% | 11.2% | 10.3% |
| 18 to 24 | 10.7% | 9.3% | 9.1% |
| 25 to 34 | 4.3% | 12.6% | 13.7% |
| 35 to 44 | 9.3% | 12.6% | 13.2% |
| 45 to 54 | 5% | 10.7% | 12.2% |
| 55 to 64 | 30% | 12.6% | 12.7% |
| 65 to 74 | 12.9% | 11% | 10.2% |
| 75 and older | 0% | 7% | 7% |
| No diploma | 5.8% | 6.8% | 10.4% |
| High school | 14% | 29% | 26% |
| Some college | 24.4% | 19.9% | 19.1% |
| Associate’s | 23.3% | 12.3% | 8.8% |
| Bachelor’s | 19.8% | 21.9% | 21.6% |
| Graduate | 12.8% | 10% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 100, single groups can be off by several points
Andover Township has cold, snowy winters and pleasant summers, with very little rain. Andover Township’s July high is 83°F.
NOAA U.S. Climate Normals, 1991–2020
Most working residents leave Andover Township for work: only 9% work in town. The median household income in Andover Township is $111,000. Since 2013, Andover Township has lost 24 jobs, to 46 in 2023.
| Andover Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Median household income | $111,000 | $72,000 | $80,000 |
| Working residents who work in town | 8.9% | 29% | 8% |
| Below the poverty line | 5% | 9.5% | 9.6% |
| Average trip to work | 21 minutes | 17 minutes | 25 minutes |
Census LEHD 2023 · ACS
Andover Township beats the South Dakota average on 2 of 26 CDC measures and trails it on 7. 14% of Andover Township adults have diabetes. Among 36 South Dakota towns, just 2 have a lower share of adults who have been diagnosed with depression than Andover Township.
| Andover Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Diabetes (CDC PLACES) | 14% | 10% | 12% |
| High blood pressure (CDC PLACES) | 38% | 31% | 35% |
| Depression (CDC PLACES) | 19% | 22% | 23% |
| Frequent mental distress (CDC PLACES) | 14% | 15% | 17% |
| What stands out | Andover Township | SD |
|---|---|---|
| More adults treating high blood pressure | 80.2% | 75.9% |
| More adults getting cholesterol checked | 87.3% | 84.8% |
| More adults with heart disease | 8.9% | 6.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Amsden Dam Lakeside Use Area | — | 146 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Andover Township; the nearest are
About 0 of every 100 Andover Township residents are enrolled in college, against 5 across South Dakota.
Town in South Dakota, United States
Andover is a town in northwestern Day County, South Dakota, United States. The population was 66 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Andover Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.