Residential delivery area · Alabama
ZIP Code 35603: Decatur, AL
ZIP code 35603 uses the postal name Decatur, Alabama and lies entirely in Morgan County (Census 2020 ZIP-county file). About 32,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Decatur's 2 residential ZIP codes. Median household income is $81,490 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Decatur (41%) and Priceville (8%); 51% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Decatur · 2 residential ZIPs
- County
- Morgan County
- Census places
- Decatur (41%); Priceville (8%)
- Neighborhood
- Sherwood Estates GeoNames
- Metro area
- Decatur, AL
- House district
- AL-5 119th Congress
- State
- Alabama
- Time zone
- Central
- Land area
- 71.0 sq mi · 453 people per sq mi
Where is ZIP code 35603?
35603 centers on 34.535°, -86.971° and covers 71.0 square miles of land plus 6.6 of water. It borders 8 ZIP codes: 35601, 35640, 35671, 35673, 35756, 35670, 35619, 35650.
The map draws ZIP code areas only. For the streets inside 35603, 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 35603 compare with the rest of Decatur?
| Measure | 35603 | In Decatur | In Morgan County | In AL |
|---|---|---|---|---|
| People (ACS 2020-2024) | 32,179 | 2nd of 2 | 2nd of 15 | 23rd of 656 |
| Median household income | $82k | 1st of 2 | 2nd of 10 | 61st of 370 |
| Median home value | $247k | 1st of 2 | 1st of 10 | 76th of 386 |
Its median household income is higher than in 64% of U.S. residential ZIP codes, and it is denser than 71% 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 35603?
The 2020 Census counted 32,380 people in 35603; the ACS, which samples households over 2020-2024, estimates 32,179. Between the 2010 and 2020 censuses its population grew 6.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 32,179
- 2020 Census count
- 32,380+6.0% since 2010 (30,545)
- Households
- 13,175
- Median age
- 42.0
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 35603?
Of the 32,179 people the ACS estimates in 35603, 24.0% are under 18 and 20.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.0%), then Black (not Hispanic) (14.8%).
- Under 1824.0%
- 18 to 6455.5%
- 65 and older20.5%
- White, not Hispanic73.0%
- Black, not Hispanic14.8%
- Hispanic or Latino7.6%
- Other or two or more3.4%
- Asian, not Hispanic1.1%
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 35603 earn?
Median household income is $81,490 (ACS 2020-2024), the 2nd highest of the 10 ranked ZIP codes in Morgan County. It rose from $69,687 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $81,490
- Income per person
- $42,141
- Below the poverty line
- 7.3%
- Unemployed (of the labor force)
- 2.7%
- Adults 25+ with a bachelor's degree
- 28.3%
- Adjusted gross income per tax return, 2022
- $81,86814,780 returns; wages 64% 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 35603?
FHFA's house price index for 35603, built from repeat sales and appraisals of the same homes, rose 76% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +0.6% in 2025.
- Median home value (owners' estimate)
- $247,400
- Median gross rent
- $910
- Homes owned by their occupants
- 73.9%
- Housing units
- 14,274
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 35603?
500 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade81
- Health care and social assistance76
- Construction63
- Other services (except public administration)52
- Accommodation and food services50
- Finance and insurance38
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 35603?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 35601 | Decatur | 35,449 | $51k | 5.3 mi |
| 35640 | Hartselle | 27,344 | $77k | 6.7 mi |
| 35671 | Tanner | 2,267 | $86k | 9.3 mi |
| 35673 | Trinity | 7,250 | $81k | 10.1 mi |
| 35756 | Madison | 24,947 | $130k | 11.5 mi |
| 35670 | Somerville | 7,760 | $52k | 14.6 mi |
| 35619 | Danville | 5,343 | $66k | 14.7 mi |
| 35650 | Moulton | 13,473 | $67k | 20.2 mi |
| 35649 | Mooresville | 81 | $144k | 8.4 mi (near) |
| 35615 | Belle Mina | 23 | – | 10.3 mi (near) |
| 35622 | Falkville | 6,830 | $67k | 13.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.