Residential delivery area · Maryland
ZIP Code 21787: Taneytown, MD
ZIP code 21787 uses the postal name Taneytown, Maryland and lies mostly in Carroll County (87% of its land) with the rest in Frederick County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $91,682 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Taneytown; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Taneytown · its only residential ZIP
- County
- Carroll County (87%); Frederick County (13%)
- Census places
- Taneytown
- Neighborhoods
- Cloverberry, Copperfield, Cunningham Acres, Fairground Village, Green Meadows, Meadow Brook and 4 more GeoNames
- Metro area
- Baltimore-Columbia-Towson, MD
- House districts
- MD-2 (87%), MD-6 (13%) 119th Congress, by share of land
- State
- Maryland
- Time zone
- Eastern
- Land area
- 61.1 sq mi · 191 people per sq mi
Where is ZIP code 21787?
21787 centers on 39.678°, -77.173° and covers 61.1 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 17340, 21757, 21158, 21727, 21791, 17325.
The map draws ZIP code areas only. For the streets inside 21787, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 21787 compare with the rest of Carroll County?
| Measure | 21787 | In Carroll County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 11,645 | 8th of 15 | 171st of 477 |
| Median household income | $92k | 15th of 15 | 190th of 293 |
| Median home value | $355k | 15th of 15 | 223rd of 320 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 62% 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 21787?
The 2020 Census counted 11,066 people in 21787; the ACS, which samples households over 2020-2024, estimates 11,645. Between the 2010 and 2020 censuses its population grew 3.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,645
- 2020 Census count
- 11,066+3.5% since 2010 (10,693)
- Households
- 4,431
- Median age
- 40.1
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 21787?
Of the 11,645 people the ACS estimates in 21787, 23.5% are under 18 and 21.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.0%).
- Under 1823.5%
- 18 to 6455.2%
- 65 and older21.4%
- White, not Hispanic84.0%
- Black, not Hispanic6.3%
- Hispanic or Latino5.7%
- Other or two or more3.5%
- Asian, not Hispanic0.5%
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 21787 earn?
Median household income is $91,682 (ACS 2020-2024), the 15th highest of the 15 ranked ZIP codes in Carroll County. It is not measurably different from 2015-2019 ($90,673 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $91,682
- Income per person
- $41,725
- Below the poverty line
- 9.6%
- Unemployed (of the labor force)
- 3.8%
- Adults 25+ with a bachelor's degree
- 22.2%
- Adjusted gross income per tax return, 2022
- $74,5735,900 returns; wages 73% 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 21787?
FHFA's house price index for 21787, built from repeat sales and appraisals of the same homes, rose 70% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +0.5% in 2025.
- Median home value (owners' estimate)
- $355,000
- Median gross rent
- $1,061
- Homes owned by their occupants
- 78.4%
- Housing units
- 4,632
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 21787?
193 business establishments had a location in this ZIP code in 2023, 15 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction37
- Retail trade26
- Other services (except public administration)23
- Health care and social assistance19
- Professional, scientific, and technical services13
- Transportation and warehousing12
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 21787?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17340 | Littlestown, PA | 11,405 | $90k | 6.1 mi |
| 21757 | Keymar | 2,671 | $101k | 7.4 mi |
| 21158 | Westminster | 22,083 | $110k | 7.5 mi |
| 21727 | Emmitsburg | 6,052 | $95k | 8.4 mi |
| 21791 | Union Bridge | 5,340 | $93k | 10.0 mi |
| 17325 | Gettysburg, PA | 30,373 | $81k | 10.7 mi |
| 21778 | Rocky Ridge | 745 | $77k | 9.3 mi (near) |
| 21798 | Woodsboro | 2,928 | $117k | 11.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.