Residential delivery area · Pennsylvania
ZIP Code 19031: Flourtown, PA
ZIP code 19031 uses the postal name Flourtown, Pennsylvania and lies entirely in Montgomery County (Census 2020 ZIP-county file). About 4,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $134,592 (Census Bureau, ACS 2020-2024). By Census place, 29% of its land lies in Flourtown (a census-designated place); 71% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Flourtown · its only residential ZIP
- County
- Montgomery County
- Census places
- Flourtown census-designated place
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House district
- PA-4 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 3.1 sq mi · 1,608 people per sq mi
Where is ZIP code 19031?
19031 centers on 40.108°, -75.217° and covers 3.1 square miles of land. It borders 5 ZIP codes: 19075, 19034, 19118, 19444, 19038.
The map draws ZIP code areas only. For the streets inside 19031, 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 19031 compare with the rest of Montgomery County?
| Measure | 19031 | In Montgomery County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 4,929 | 53rd of 70 | 639th of 1,833 |
| Median household income | $135k | 22nd of 55 | 55th of 1,015 |
| Median home value | $579k | 15th of 58 | 33rd of 1,069 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 83% of all 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 19031?
The 2020 Census counted 5,326 people in 19031; the ACS, which samples households over 2020-2024, estimates 4,929. Between the 2010 and 2020 censuses its population grew 13.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,929
- 2020 Census count
- 5,326+13.3% since 2010 (4,700)
- Households
- 2,044
- Median age
- 52.5
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 19031?
Of the 4,929 people the ACS estimates in 19031, 20.4% are under 18 and 26.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.4%).
- Under 1820.4%
- 18 to 6452.8%
- 65 and older26.8%
- White, not Hispanic84.4%
- Asian, not Hispanic5.4%
- Black, not Hispanic4.7%
- Hispanic or Latino3.4%
- Other or two or more2.2%
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 19031 earn?
Median household income is $134,592 (ACS 2020-2024), the 22nd highest of the 55 ranked ZIP codes in Montgomery County. It is not measurably different from 2015-2019 ($146,856 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $134,592±$22,922
- Income per person
- $87,019
- Below the poverty line
- 7.6%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 64.3%
- Adjusted gross income per tax return, 2022
- $188,8612,560 returns; wages 59% of AGI (IRS)
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 19031?
FHFA's house price index for 19031, built from repeat sales and appraisals of the same homes, rose 67% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +4.0% in 2025.
- Median home value (owners' estimate)
- $579,300
- Median gross rent
- $1,393
- Homes owned by their occupants
- 79.8%
- Housing units
- 2,044
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 19031?
191 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance35
- Professional, scientific, and technical services26
- Other services (except public administration)23
- Retail trade21
- Accommodation and food services19
- Real estate and rental and leasing15
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 19031?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 19075 | Oreland | 7,384 | $121k | 1.5 mi |
| 19034 | Fort Washington | 7,488 | $165k | 1.8 mi |
| 19118 | Philadelphia | 9,978 | $110k | 2.4 mi |
| 19444 | Lafayette Hill | 11,065 | $147k | 2.4 mi |
| 19038 | Glenside | 32,296 | $118k | 2.5 mi |
| 19462 | Plymouth Meeting | 16,331 | $138k | 3.4 mi (near) |
| 19150 | Philadelphia | 24,304 | $67k | 3.5 mi (near) |
| 19095 | Wyncote | 8,030 | $98k | 3.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.