Comparison to Surrounding Areas
The median household income ($99,083) for 91740 is less than the median household income for 91722 ($102,062), 91724 ($103,163), 91741 ($127,440), 91773 ($105,338), Glendora city ($113,569), San Dimas city ($105,321), and Citrus CDP ($103,465). But it's more than 91702 ($92,683), Los Angeles County ($90,112), and Charter Oak CDP ($88,393).
| 91740 | $99,083 |
| Charter Oak CDP | $88,393 |
| Citrus CDP | $103,465 |
| Glendora city | $113,569 |
| San Dimas city | $105,321 |
| Los Angeles County | $90,112 |
Get Median Household Income for all Zip Codes in California.
The average household income ($120,999) for 91740 is less than the average household income for 91724 ($130,223), 91741 ($165,782), 91773 ($140,970), Los Angeles County ($128,770), Glendora city ($143,974), and San Dimas city ($140,783). But it's more than 91702 ($108,762), 91722 ($117,903), Charter Oak CDP ($118,517), and Citrus CDP ($109,671).
| 91740 | $120,999 |
| Charter Oak CDP | $118,517 |
| Citrus CDP | $109,671 |
| Glendora city | $143,974 |
| San Dimas city | $140,783 |
| Los Angeles County | $128,770 |
Get Average Household Income for all Zip Codes in California.
The per-capita income for 91740 is $39,724. The per capita income ($39,724) for 91740 is less than the per capita income for 91724 ($42,155), 91741 ($57,960), 91773 ($51,240), Los Angeles County ($45,792), San Dimas city ($51,207), Charter Oak CDP ($39,943), and Glendora city ($48,841). But it's more than 91702 ($32,459), 91722 ($34,767), and Citrus CDP ($28,224).
| 91740 | $39,724 |
| Charter Oak CDP | $39,943 |
| Citrus CDP | $28,224 |
| Glendora city | $48,841 |
| San Dimas city | $51,207 |
| Los Angeles County | $45,792 |
Get Per-Capita Income for all Zip Codes in California.
15.3% of households make over $200,000 a year. The percent high income households (15.3%) for 91740 is less than the percent high income households for 91724 (17.6%), 91741 (28.5%), 91773 (22.2%), Los Angeles County (17.5%), San Dimas city (22.2%), Charter Oak CDP (16.5%), and Glendora city (22.1%). But it's more than 91702 (12.1%) and Citrus CDP (9.5%). And it's the same as 91722 (15.3%).
| 91740 | 15.3% |
| Charter Oak CDP | 16.5% |
| Citrus CDP | 9.5% |
| Glendora city | 22.1% |
| San Dimas city | 22.2% |
| Los Angeles County | 17.5% |
Get High Income Households for all Zip Codes in California.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 91740 | $41,500 | $111,429 | $120,302 | $70,351 |
| Charter Oak CDP | $-1 | $108,355 | $102,860 | $60,541 |
| Citrus CDP | $-1 | $120,345 | $102,895 | $69,265 |
| Glendora city | $42,868 | $125,841 | $129,291 | $76,782 |
| San Dimas city | $-1 | $126,481 | $136,223 | $67,179 |
| Los Angeles County | $51,302 | $98,428 | $101,492 | $64,269 |
Get Median Household Income by Age of Householder for all Zip Codes in California.
Use our lookalike & filtering workflow to discover every zip that matches your ideal market profile.
Our Income By Zip Code Lists let you start with a zip like 91740, then automatically find hundreds of similar zips by income, demographics, and growth potential — so you can build a smarter target list in minutes.
Get Your Income By Zip Code List
Get all zip codes in a state or the entire US with data such as median household income.
Starting at $65.
All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 91740 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 91740 | +/-$13,358 | +/-$7,724 | +/-$2,880 | +/-3.0% | +/-$33,007 | +/-$15,582 | +/-$10,599 | +/-$7,573 |
| Charter Oak CDP | +/-$7,529 | +/-$14,954 | +/-$4,977 | +/-5.8% | +/-$-1 | +/-$44,951 | +/-$39,561 | +/-$19,992 |
| Citrus CDP | +/-$12,012 | +/-$9,059 | +/-$2,336 | +/-4.0% | +/-$-1 | +/-$23,939 | +/-$19,420 | +/-$31,706 |
| Glendora city | +/-$8,069 | +/-$7,482 | +/-$2,820 | +/-2.4% | +/-$15,491 | +/-$18,204 | +/-$10,223 | +/-$12,597 |
| San Dimas city | +/-$18,690 | +/-$8,654 | +/-$3,332 | +/-3.1% | +/-$-1 | +/-$12,672 | +/-$24,022 | +/-$20,178 |
| Los Angeles County | +/-$392 | +/-$667 | +/-$239 | +/-0.2% | +/-$2,049 | +/-$745 | +/-$874 | +/-$786 |