How to Tell a Pennsylvania German Farmhouse From Its Southern and Midwestern Cousins

American farmhouse architecture encompasses diverse regional vernacular traditions, not a single style. This article contrasts the distinctive Pennsylvania German farmhouse with Southern and Midwestern types, illustrating how practicality, cultural heritage, and climate shaped unique designs.

Ingrid Larson

November 6, 2026 · 6 min read

American farmhouse architecture is not one style but a family of regional vernacular traditions, and the surest way to understand that is to hold one well-documented type against the general character of others. The Pennsylvania German farmhouse, catalogued in detail by the Pennsylvania State Historic Preservation Office, offers exactly that kind of concrete reference point: a house form with a named floor plan, a traceable cultural lineage, and a geography limited to Pennsylvania and its neighboring states. Set beside the broad, climate-shaped features of Southern and Midwestern farmhouses, it shows how the same practical impulse produced visibly different houses in different places.

Introduction: The Vernacular Roots of American Farmhouses

Many farmhouses, according to the Pennsylvania State Historic Preservation Office, are not examples of any recognized architectural style at all. They were designed according to vernacular traditions grounded in cultural heritage or regional preference, and they often carry elements of popular styles applied to basic house forms, so that a single building can show multiple influences. That last point matters for anyone learning to read old houses: a farmhouse may wear a fashionable cornice or a symmetrical façade borrowed from a formal style while its bones remain stubbornly local and practical.

This is why farmhouse architecture rewards regional comparison rather than a checklist approach. A building-industry overview from Westlake Royal Building Products makes the same point from the commercial side of the trade: unlike Colonial or Craftsman, the farmhouse style does not follow a strict set of design rules. It is better understood, that guide says, as a house type shaped by regional materials, climate, and the daily needs of the families who built them. The farmhouse is a category of purpose, not a catalog of ornament.

Those families were farmers, and their houses changed with their work. The Preservation Office notes that some farmhouses gained wings over time to add space and functionality, along with architectural details popular in whatever era the addition was made. Others lost original features—decorative porches, cornices, windows, doors, and shutters were sometimes removed. A farmhouse standing today is therefore a layered record, and regional identity often survives in the floor plan and massing long after surface details have shifted.

Regional Farmhouse Style Comparison

The table below contrasts the documented Pennsylvania German forms with the general characteristics of Southern and Midwestern farmhouses. The Pennsylvania German column rests on the Preservation Office's specific descriptions; the Southern and Midwestern columns reflect broader, industry-level characterizations, so treat them as typical tendencies rather than universal rules.

Comparing regional American farmhouse types by form, materials, and influence
Region	Key Features (Form/Layout)	Common Materials	Cultural/Climatic Influence
Pennsylvania German	Continental plan: asymmetrical layout, long narrow hearth-anchored kitchen, stove room, kammer. Four Over Four: four bays over four bays, usually two stories, two rooms deep.	Not specified in the preservation documentation reviewed here.	German (Pennsylvania Dutch) cultural heritage blended with symmetrical Georgian/Federal style; found only in Pennsylvania and surrounding states.
Southern (general)	Deep porches, raised foundations, and sometimes a dogtrot layout for ventilation—distinguishing features, though not universal.	Wood, brick, or stone, varying by location and period.	Designed to mitigate heat and humidity in the Southern climate.
Midwestern (general)	Practical, functional, simple designs with a focus on durability.	Durable materials such as wood, brick, or stone, chosen for practicality and local availability.	Function emphasized over strict stylistic rules, reflecting agricultural needs.

Comparing regional American farmhouse types by form, materials, and influence

Region

Key Features (Form/Layout)

Common Materials

Cultural/Climatic Influence

Pennsylvania German

Continental plan: asymmetrical layout, long narrow hearth-anchored kitchen, stove room, kammer. Four Over Four: four bays over four bays, usually two stories, two rooms deep.

Not specified in the preservation documentation reviewed here.

German (Pennsylvania Dutch) cultural heritage blended with symmetrical Georgian/Federal style; found only in Pennsylvania and surrounding states.

Southern (general)

Deep porches, raised foundations, and sometimes a dogtrot layout for ventilation—distinguishing features, though not universal.

Wood, brick, or stone, varying by location and period.

Designed to mitigate heat and humidity in the Southern climate.

Midwestern (general)

Practical, functional, simple designs with a focus on durability.

Durable materials such as wood, brick, or stone, chosen for practicality and local availability.

Function emphasized over strict stylistic rules, reflecting agricultural needs.

Read across the rows, the table isolates what makes each type recognizable. The Pennsylvania German house announces itself through its plan—an asymmetrical, hearth-centered interior or a four-bay, two-room-deep massing—rather than through any particular material. The Southern house announces itself through climate devices: the porch, the raised foundation, the dogtrot passage. The Midwestern house is defined less by any single feature than by an attitude of durable simplicity. The comparison also shows the evidence asymmetry honestly: the Pennsylvania German row is documented form by form, while the other two rows describe general tendencies.

Regional Contrasts: Southern and Midwestern Farmhouse Characteristics

The contrast becomes sharper when you ask what problem each house was solving. The Pennsylvania German farmhouse solved the problem of transplanting a familiar cultural world—its kitchen hearth, its stove room, its kammer—into a new country, then reconciling it with the symmetrical taste of the Georgian and Federal eras. The Southern farmhouse, as Westlake's guide characterizes it, solved the problem of heat and humidity: deep porches shaded the façade, raised foundations lifted the floor away from damp ground, and the dogtrot layout pushed air through the center of the house. The Midwestern farmhouse solved the problem of endurance, favoring practical, functional, simple designs built from durable materials suited to the region's climate.

Notice that none of these solutions is decorative in origin. Each begins with a climate, a material supply, or a cultural habit, and the visible feature follows from it. That is the diagnostic habit worth carrying to any old farmhouse: identify the feature, then ask what regional condition it answers. A porch in Georgia and a kammer in Pennsylvania are both answers to the same question—how should a farming family live here?—arrived at from opposite directions.

One caution applies to all three columns. The Preservation Office emphasizes that vernacular houses often carry elements of popular styles applied to basic forms, and that farmhouses change over time through additions and removals. A Southern farmhouse may have lost its original porch; a Pennsylvania German house may have gained a Victorian-era wing. Regional identity lives most reliably in the floor plan and overall massing, so weigh those before weighing trim details.