Nestled in the Bezirk Sissach, the municipality of Wintersingen sits at an altitude of 431 meters above sea level and covers a total surface area of 695 hectares. Table 2 summarizes the key features of the municipality, and figure 1 shows its location on the map.

Wintersingen is a municipality with deep historical roots, first documented in 1196. Its name is believed to mean "by the people of Winitheri or Winidhari," tracing back to the Alemannic settlement period. The local coat of arms dates to around 1284, belonging to the knight Rudolf von Wintersingen. A more detailed summary is available on its Wikipedia page.

As of 2025, Wintersingen is home to 587 residents. The population consists of 12.8 percent foreigners and 87.2 percent Swiss citizens. The age distribution shows 93 young people aged 0 to 17, 350 individuals in the working-age population of 18 to 65, and 144 older adults over 65. The gender ratio is nearly balanced, with 301 men and 286 women. In terms of total population, Wintersingen ranks 66th among the 86 municipalities in the canton. Table 2 shows the population by age groups since 2005.

The land use in Wintersingen is predominantly agricultural and forested. Of its 695-hectare total surface, 7.3 percent is settlement area, 57.4 percent is agricultural land, and 35.1 percent is forest, with only 0.1 percent classified as unproductive.

The municipality's tax revenue ranks 63rd in the canton. Specific figures for tax revenue per adult capita and the municipal tax multiplier, along with their respective ranks among the 86 municipalities, are detailed in the accompanying financial tables.

In 2022, Wintersingen's energy consumption was led by heating oil at 2,769 MWh, followed by electricity at 2,535 MWh, and environmental heat at 1,511 MWh. Other sources included wood, photovoltaics, and thermal solar energy. For electricity consumption, a common benchmark, the municipality ranks 33rd in per capita use at 4.1 MWh per person. This middle ranking suggests a typical level of residential and commercial activity, without the extreme highs often associated with significant industrial presence.

The vehicle stock in Wintersingen, as of 2026, consists of 448 passenger cars and delivery vans. Of these, 373 are powered by combustion engines, while 75 are electric vehicles, resulting in an electric vehicle share of 16.7 percent. This data is presented in table 3.

Wintersingen's waste recycling performance in 2024 shows varied results across categories. The municipality recycled 24 kg of glass per capita, ranking 38th in the canton. For green waste, the figure was 51 kg per capita, ranking 69th. Residual and bulky waste amounted to 152 kg per capita, ranking a relatively high 18th. Plastic recycling was 2 kg per capita, ranking 17th. Paper and cardboard recycling was 16 kg per capita, ranking 59th. Recycling of tinplate and aluminum was also 2 kg per capita, achieving a rank of 16th. With two categories, plastics and metals, ranked within the top 20, Wintersingen demonstrates above-average performance in specific recycling streams. The total recycled waste, per capita values, and canton-wide comparisons are detailed in table 4.